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Home > CA Providers > Dermatologists

Dr. William Edward Rietkierk, MBA, MD

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(Dr. William Edward Rietkerk, MBA)

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Specializes in: Dermatology (Skin Disorders)

University of California, Irvine, School of Medicine

Professional interests include: acne, rosacea

55 Rolling Oaks Drive Suite 200
Thousand Oaks, CA 91361

(805) 497-7529

Dr. William Edward Rietkierk, MBA, MD is a dermatologist in Thousand Oaks, CA specializing in dermatology (skin disorders). He graduated from University of California, Irvine, School of Medicine. Dr. William Edward Rietkierk, MBA, MD is affiliated with Conejo Dermatology.

Office Locations

55 Rolling Oaks Drive Suite 200
Thousand Oaks, CA 91361

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Noteworthy Medicare Patient Procedures Performed by Dr. William Edward Rietkierk, MBA, MD in 2024

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

removal of skin lesion

skin procedures

In 2024, Dr. William Edward Rietkierk, MBA, MD performed more removal of skin lesion (growth or mark), and skin procedures procedures for Medicare patients than 95% of providers in related specialties within California.

Top 25%

By Volume:

ear biopsy

photodynamic skin therapy

In 2012, Dr. William Edward Rietkierk, MBA, MD performed more ear biopsy, and photodynamic skin therapy procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

doctor visit	27

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA during 2013 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

diagnostic procedures	104
doctor visit	407
removal of lesion (e.g. growth)	147
skin procedures	147

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Male	148
Female	146

**Ethnicity**
Non-Hispanic White	268
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	78
85 and over	45
Less than 65	35

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2013

Hypertension	68
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	44
Depression	15
Chronic Kidney Disease	14
Asthma	6
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA during 2014 were skin procedures, removal of lesion (e.g. growth), diagnostic procedures and laser treatment.

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

diagnostic procedures	172
doctor visit	719
injections	21
laser treatment	58
phototherapy (light therapy)	58
removal of lesion (e.g. growth)	333
skin procedures	391

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Male	250
Female	225

**Ethnicity**
Non-Hispanic White	441
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	242
From 75 to 84	113
85 and over	61
Less than 65	59

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2014

Hypertension	61
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	38
Depression	13
Chronic Kidney Disease	15
Asthma	7
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	30
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA during 2015 were skin procedures, removal of lesion (e.g. growth), diagnostic procedures and laser treatment.

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

diagnostic procedures	142
doctor visit	589
laser treatment	47
phototherapy (light therapy)	47
removal of lesion (e.g. growth)	368
skin procedures	415

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Male	480
Female	392

**Ethnicity**
Non-Hispanic White	768
Black	0
Hispanic	32
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	426
From 75 to 84	242
85 and over	94
Less than 65	110

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2015

Hypertension	63
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	36
Depression	16
Chronic Kidney Disease	14
Asthma	7
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	36
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA during 2016 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

diagnostic procedures	155
doctor visit	608
removal of lesion (e.g. growth)	356
skin procedures	356

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Male	273
Female	255

**Ethnicity**
Non-Hispanic White	477
Black	0
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	271
From 75 to 84	164
85 and over	57
Less than 65	36

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2016

Hypertension	65
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	35
Depression	12
Chronic Kidney Disease	21
Asthma	13
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	29
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA during 2017 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

diagnostic procedures	189
doctor visit	631
removal of lesion (e.g. growth)	359
skin procedures	359

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Male	176
Female	214

**Ethnicity**
Non-Hispanic White	340
Black	0
Hispanic	16
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	110
85 and over	60
Less than 65	18

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2017

Hypertension	57
High Cholesterol	47
Stroke	6
Ischemic Heart Disease	36
Depression	22
Chronic Kidney Disease	23
Asthma	8
Osteoperosis	14
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA during 2018 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and radiation therapy.

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

diagnostic procedures	185
doctor visit	940
radiation therapy	95
removal of lesion (e.g. growth)	424
skin procedures	424

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Male	240
Female	248

**Ethnicity**
Non-Hispanic White	423
Black	0
Hispanic	26
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	256
From 75 to 84	143
85 and over	69
Less than 65	20

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2018

Hypertension	58
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	35
Depression	18
Chronic Kidney Disease	23
Asthma	10
Osteoperosis	15
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	22
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA during 2019 were removal of lesion (e.g. growth), skin procedures, radiation therapy and minor procedures.

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

doctor visit	1317
minor procedures	11
radiation therapy	249
removal of lesion (e.g. growth)	664
skin procedures	664
wound repair (e.g. stitches)	11

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Male	282
Female	319

**Ethnicity**
Non-Hispanic White	533
Black	0
Hispanic	25
Asian	0
Other	27
Native American	0

**Age**
From 65 to 74	302
From 75 to 84	189
85 and over	89
Less than 65	21

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2019

Hypertension	58
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	29
Depression	18
Chronic Kidney Disease	22
Asthma	11
Osteoperosis	15
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	20
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA during 2020 were removal of lesion (e.g. growth), skin procedures and radiation therapy.

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

doctor visit	1144
radiation therapy	233
removal of lesion (e.g. growth)	667
skin procedures	667

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Male	282
Female	303

**Ethnicity**
Non-Hispanic White	530
Black	0
Hispanic	23
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	202
85 and over	78
Less than 65	20

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2020

Hypertension	59
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	31
Depression	21
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	21
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA during 2021 were removal of lesion (e.g. growth), skin procedures, radiation therapy and injections.

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

abscess drainage	18
doctor visit	1947
incision and drainage	18
injections	24
minor procedures	18
radiation therapy	237
removal of lesion (e.g. growth)	1356
skin procedures	1356
skin surgery	18

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Male	431
Female	446

**Ethnicity**
Non-Hispanic White	790
Black	0
Hispanic	25
Asian	0
Other	40
Native American	0

**Age**
From 65 to 74	452
From 75 to 84	280
85 and over	114
Less than 65	31

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2021

Hypertension	58
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	31
Depression	18
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	21
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA during 2022 were removal of lesion (e.g. growth), skin procedures, radiation therapy and injections.

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

diagnostic procedures	19
doctor visit	2730
ear procedures	19
injections	49
minor procedures	22
radiation therapy	216
removal of lesion (e.g. growth)	2199
skin procedures	2199
wound repair (e.g. stitches)	22

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Male	681
Female	582

**Ethnicity**
Non-Hispanic White	1132
Black	0
Hispanic	38
Asian	0
Other	55
Native American	0

**Age**
From 65 to 74	602
From 75 to 84	454
85 and over	168
Less than 65	39

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2022

Hypertension	70
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	27
Depression	16
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	18
Atrial Fibrilation	16
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA during 2023 were skin procedures, removal of lesion (e.g. growth), radiation therapy and injections.

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

abscess drainage	15
diagnostic procedures	33
doctor visit	3270
ear procedures	33
incision and drainage	15
injections	35
minor procedures	15
phototherapy (light therapy)	25
radiation therapy	486
removal of lesion (e.g. growth)	2684
skin procedures	2709
skin surgery	15

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Male	817
Female	719

**Ethnicity**
Non-Hispanic White	1378
Black	0
Hispanic	50
Asian	0
Other	68
Native American	0

**Age**
From 65 to 74	739
From 75 to 84	569
85 and over	196
Less than 65	32

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2023

Hypertension	68
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	28
Depression	17
Chronic Kidney Disease	17
Asthma	10
Osteoperosis	18
Atrial Fibrilation	16
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	6
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA during 2024 were skin procedures, removal of lesion (e.g. growth), radiation therapy and phototherapy (light therapy).

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

diagnostic procedures	39
doctor visit	3353
ear procedures	39
injections	40
phototherapy (light therapy)	44
radiation therapy	718
removal of lesion (e.g. growth)	2667
skin procedures	2711

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Male	879
Female	802

**Ethnicity**
Non-Hispanic White	1498
Black	0
Hispanic	59
Asian	0
Other	66
Native American	0

**Age**
From 65 to 74	802
From 75 to 84	627
85 and over	219
Less than 65	33

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2024

Hypertension	68
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	18
Asthma	11
Osteoperosis	19
Atrial Fibrilation	17
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	5
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. William Edward Rietkierk, MBA, MD for Medicare patients.

The highest averages for the top procedures that Dr. William Edward Rietkierk, MBA, MD treated as a dermatologist in Thousand Oaks, CA were skin procedures, removal of lesion (e.g. growth), radiation therapy and diagnostic procedures.

abscess drainage	16
diagnostic procedures	115
doctor visit	1360
ear procedures	30
incision and drainage	16
injections	33
laser treatment	52
minor procedures	16
phototherapy (light therapy)	43
radiation therapy	319
removal of lesion (e.g. growth)	1018
skin procedures	1033
skin surgery	16
wound repair (e.g. stitches)	16

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD.

**Gender**
Female	357
Male	379

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	1
Non-Hispanic White	659
Native American / Alaskan Native	0
Hispanic	25
Other	26

**Age**
85 and over	96
75 to 84	243
Less than 65	34
65 to 74	362

Average of Total of Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. William Edward Rietkierk, MBA, MD treated were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	57
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	30
Depression	15
Chronic Kidney Disease	17
Asthma	8
Osteoporosis	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Atrial Fibrillation	10
Dementia	7
Cancer	11

Education & Training

Dr. William Edward Rietkierk, MBA, MD graduated from University of California, Irvine, School of Medicine. He completed residency at New York Medical College Affiliated Hospitals. He is certified by the American Board of Dermatology and has a state license in California.

Medical School: University of California, Irvine, School of Medicine

Residency: New York Medical College Affiliated Hospitals

Board Certification: American Board of Dermatology

Licensed In: California

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. William Edward Rietkierk, MBA, MD appears to accept the following insurance providers: Blue Cross Blue Shield Medicare HMO, Blue Preferred Plus, Delphi, Medicaid Managed Care, Anthem Blue Cross of California, Blue Choice, United Healthcare, Medicaid, Medi-Cal, Blue Cross/Blue Shield, Anthem, Empire BlueCross BlueShield PPO, Anthem Blue Cross Power Select HMO, Empire BlueCross BlueShield, Capital BlueCross - Keystone HMO/POS (Capital BlueCross), Independence Blue Cross Blue Shield (BCBS) - Keystone Health Plan East HMO, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueOptions Health & Dental - Health, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Direct PPC, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueMedicare PPO / BlueMedicare Group PPO, Excellus Blue Cross Blue Shield (BCBS) - Excellus BluePPO, Capital BlueCross - Senior, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - MyBasic NetworkBlue, Independence Blue Cross Blue Shield (BCBS) - Personal Choice PPO, Blue Shield of Northeastern New York - Aqua, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Healthy Kids BlueOptions, Excellus Blue Cross Blue Shield (BCBS) - SimplyBlue, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Temporary Insurance Protection, Excellus Blue Cross Blue Shield (BCBS) - Healthy NY, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - MyBasic BlueSelect Network, Independence Blue Cross Blue Shield (BCBS) - Keystone 65 HMO, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueCare, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - GoBlue, Capital BlueCross - Pennsylvania CHIP, Capital BlueCross - PPO Choice, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Health Kids BlueCare, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Conversion Opt A, B, & C, Independence Blue Cross Blue Shield (BCBS) - Personal Choice 65 PPO, Capital BlueCross - Comprehensive, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueSelect Hospital Surgical Plus, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Miami Dade Blue, Excellus Blue Cross Blue Shield (BCBS) - HMOBlue, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueMedicare Supplement, Excellus Blue Cross Blue Shield (BCBS) - UFCW Local One Health Care Fund, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Conversion Opt I, II, III, IV, V, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueMedicare Regional PPO, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Cover Florida, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Blue Options Hospital Surgical Plus, Capital BlueCross - SeniorBlue HMO, Excellus Blue Cross Blue Shield (BCBS) - Direct Pay, Capital BlueCross - Keystone Health Plan Central, Capital BlueCross - PPO Plus, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueOptions, Independence Blue Cross Blue Shield (BCBS) - National BlueCard PPO, Capital BlueCross - SeniorBlue PPO, Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Dimension III & IV and Independence Blue Cross Blue Shield (BCBS) - Keystone Direct POS.

Insurance Accepted by Provider includes:

According to our sources, Dr. William Edward Rietkierk, MBA, MD accepts the following insurance providers:

Blue Cross Blue Shield Medicare HMO

Blue Preferred Plus

Delphi

Medicaid Managed Care

Anthem Blue Cross of California

Blue Choice

United Healthcare

Medicaid

Medi-Cal

Blue Cross/Blue Shield

Anthem

Empire BlueCross BlueShield PPO

Anthem Blue Cross Power Select HMO

Empire BlueCross BlueShield

Capital BlueCross - Keystone HMO/POS (Capital BlueCross)

Independence Blue Cross Blue Shield (BCBS) - Keystone Health Plan East HMO

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueOptions Health & Dental - Health

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Direct PPC

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueMedicare PPO / BlueMedicare Group PPO

Excellus Blue Cross Blue Shield (BCBS) - Excellus BluePPO

Capital BlueCross - Senior

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - MyBasic NetworkBlue

Independence Blue Cross Blue Shield (BCBS) - Personal Choice PPO

Blue Shield of Northeastern New York - Aqua

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Healthy Kids BlueOptions

Excellus Blue Cross Blue Shield (BCBS) - SimplyBlue

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Temporary Insurance Protection

Excellus Blue Cross Blue Shield (BCBS) - Healthy NY

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - MyBasic BlueSelect Network

Independence Blue Cross Blue Shield (BCBS) - Keystone 65 HMO

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueCare

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - GoBlue

Capital BlueCross - Pennsylvania CHIP

Capital BlueCross - PPO Choice

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Health Kids BlueCare

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Conversion Opt A, B, & C

Independence Blue Cross Blue Shield (BCBS) - Personal Choice 65 PPO

Capital BlueCross - Comprehensive

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueSelect Hospital Surgical Plus

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Miami Dade Blue

Excellus Blue Cross Blue Shield (BCBS) - HMOBlue

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueMedicare Supplement

Excellus Blue Cross Blue Shield (BCBS) - UFCW Local One Health Care Fund

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Conversion Opt I, II, III, IV, V

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueMedicare Regional PPO

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Cover Florida

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Blue Options Hospital Surgical Plus

Capital BlueCross - SeniorBlue HMO

Excellus Blue Cross Blue Shield (BCBS) - Direct Pay

Capital BlueCross - Keystone Health Plan Central

Capital BlueCross - PPO Plus

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - BlueOptions

Independence Blue Cross Blue Shield (BCBS) - National BlueCard PPO

Capital BlueCross - SeniorBlue PPO

Florida Blue - Blue Cross Blue Shield (BCBS) of Florida - Dimension III & IV

Independence Blue Cross Blue Shield (BCBS) - Keystone Direct POS

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General Payments

These charts describe general payments received by Dr. William Edward Rietkierk, MBA, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
UCB, Inc.	$2,303 Bimzelx $2,279	Cimzia $24
Galderma Laboratories, L.P.	$1,845 EPIDUO FORTE $584	AKLIEF $329	ORACEA $271	SOOLANTRA $146	NEMLUVIO $126	Other $388
GENZYME CORPORATION	$1,033 DUPIXENT $925	ATOPIC DERMATITIS - DISEASE $108
Regeneron Healthcare Solutions, Inc.	$1,026 DUPIXENT $904	LIBTAYO $122
Janssen Biotech, Inc.	$971 Tremfya $633	STELARA $326	SIMPONI $11
Other	$7,442 Humira $621	Otezla $505	Levulan Kerastick $421	ADBRY $315	Skyrizi $289	Other $5,291

**Types of Payments**
Food and Beverage	$12,008
Consulting Fee	$1,950
Education	$661

Biography

Dr. William Rietkerk, is a board-certified dermatologist. He graduated from UC Irvine School of Medicine.

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Dr. William Edward Rietkierk, MBA, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. William Edward Rietkierk, MBA, MD in 2024

By Volume:

By Volume:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. William Edward Rietkierk, MBA, MD From 2012 - 2024

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