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Dr. Mark Walter Oldendorf, MD

Accepting New Patients

(Dr. Mark Oldendorf, MD)

(9 Ratings)

Specializes in: Internal Medicine (Adult Medicine), Family Medicine and Geriatrics (Elderly Care)

Albany Medical College (1976)

Professional interests include: sleep disorders, elder care

407 Albany Shaker Road
Loudonville, NY 12211

(518) 435-1300

Dr. Mark Walter Oldendorf, MD is an internist in Loudonville, NY specializing in internal medicine (adult medicine), family medicine and geriatrics (elderly care). He graduated from Albany Medical College in 1976 and has 50 years of experience. Dr. Mark Walter Oldendorf, MD is affiliated with St. Peter's Health Partners.

Office Locations

407 Albany Shaker Road
Loudonville, NY 12211

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark Walter Oldendorf, MD in 2023

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

Top 25%

By Volume:

diabetes management

finger stick glucose test

By Affordability:

glycated protein test

Welcome to Medicare visit

wellness visit

In 2012, among providers in related specialties within New York, Dr. Mark Walter Oldendorf, MD performed more diabetes management, and finger stick glucose test procedures for Medicare patients than 75% of them and he also had a list price for A1C test, blood tests, diabetes management, diabetes screening, glycated protein test, Welcome to Medicare visit (initial preventive physical exam), and wellness visit that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark Walter Oldendorf, MD treated as an internist in Loudonville, NY during 2012 were lab tests, preventive care, vaccines and diabetes management.

Volume of procedures performed by Dr. Mark Walter Oldendorf, MD for Medicare patients.

diabetes management	99
doctor visit	1260
ear procedures	17
lab tests	349
preventive care	317
ultrasound (sonogram)	17
vaccines	174
vascular procedures	68

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Walter Oldendorf, MD treated as an internist in Loudonville, NY during 2013 were lab tests, preventive care, vaccines and diabetes management.

Volume of procedures performed by Dr. Mark Walter Oldendorf, MD for Medicare patients.

breathing treatment	20
diabetes management	153
doctor visit	1836
ear procedures	14
lab tests	459
preventive care	422
vaccines	227

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Walter Oldendorf, MD.

**Gender**
Male	306
Female	304

**Ethnicity**
Non-Hispanic White	529
Black	44
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	274
From 75 to 84	154
85 and over	84
Less than 65	98

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2013

Hypertension	61
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	40
Depression	16
Chronic Kidney Disease	13
Asthma	5
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	23
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Walter Oldendorf, MD treated as an internist in Loudonville, NY during 2014 were preventive care, lab tests, diabetes management and vaccines.

Volume of procedures performed by Dr. Mark Walter Oldendorf, MD for Medicare patients.

diabetes management	196
doctor visit	1700
ear procedures	17
lab tests	314
preventive care	435
vaccines	186

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Walter Oldendorf, MD.

**Gender**
Male	281
Female	279

**Ethnicity**
Non-Hispanic White	478
Black	45
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	267
From 75 to 84	130
85 and over	72
Less than 65	91

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2014

Hypertension	57
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	36
Depression	17
Chronic Kidney Disease	13
Asthma	5
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	23
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Walter Oldendorf, MD treated as an internist in Loudonville, NY during 2015 were preventive care, lab tests, diabetes management and vaccines.

Volume of procedures performed by Dr. Mark Walter Oldendorf, MD for Medicare patients.

breathing treatment	20
diabetes management	234
doctor visit	1211
lab tests	363
preventive care	391
pulmonary testing	15
vaccines	174

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Walter Oldendorf, MD.

**Gender**
Male	562
Female	528

**Ethnicity**
Non-Hispanic White	910
Black	112
Hispanic	0
Asian	0
Other	44
Native American	0

**Age**
From 65 to 74	520
From 75 to 84	248
85 and over	154
Less than 65	168

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2015

Hypertension	63
High Cholesterol	59
Stroke	3
Ischemic Heart Disease	33
Depression	18
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Walter Oldendorf, MD treated as an internist in Loudonville, NY during 2016 were lab tests, preventive care, diabetes management and vaccines.

Volume of procedures performed by Dr. Mark Walter Oldendorf, MD for Medicare patients.

breathing treatment	17
diabetes management	366
doctor visit	1668
ear procedures	15
lab tests	704
preventive care	491
vaccines	193

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Walter Oldendorf, MD.

**Gender**
Male	331
Female	318

**Ethnicity**
Non-Hispanic White	540
Black	63
Hispanic	0
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	304
From 75 to 84	146
85 and over	98
Less than 65	101

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2016

Hypertension	61
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	34
Depression	17
Chronic Kidney Disease	26
Asthma	15
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Walter Oldendorf, MD treated as an internist in Loudonville, NY during 2017 were lab tests, preventive care, diabetes management and vaccines.

Volume of procedures performed by Dr. Mark Walter Oldendorf, MD for Medicare patients.

breathing treatment	14
diabetes management	193
doctor visit	1520
lab tests	374
preventive care	362
vaccines	139

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Walter Oldendorf, MD.

**Gender**
Male	331
Female	327

**Ethnicity**
Non-Hispanic White	554
Black	53
Hispanic	0
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	305
From 75 to 84	162
85 and over	86
Less than 65	105

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2017

Hypertension	60
High Cholesterol	51
Stroke	3
Ischemic Heart Disease	34
Depression	21
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Walter Oldendorf, MD treated as an internist in Loudonville, NY during 2018 were lab tests, preventive care, diabetes management and vaccines.

Volume of procedures performed by Dr. Mark Walter Oldendorf, MD for Medicare patients.

breathing treatment	21
diabetes management	237
doctor visit	1304
lab tests	372
preventive care	369
vaccines	135

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Walter Oldendorf, MD.

**Gender**
Male	341
Female	322

**Ethnicity**
Non-Hispanic White	550
Black	58
Hispanic	0
Asian	0
Other	37
Native American	0

**Age**
From 65 to 74	332
From 75 to 84	163
85 and over	79
Less than 65	89

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2018

Hypertension	59
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	33
Depression	20
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Walter Oldendorf, MD treated as an internist in Loudonville, NY during 2019 were preventive care, lab tests, diabetes management and vaccines.

Volume of procedures performed by Dr. Mark Walter Oldendorf, MD for Medicare patients.

diabetes management	110
doctor visit	546
lab tests	201
preventive care	232
vaccines	95

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Walter Oldendorf, MD.

**Gender**
Male	263
Female	211

**Ethnicity**
Non-Hispanic White	410
Black	29
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	216
From 75 to 84	131
85 and over	71
Less than 65	56

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2019

Hypertension	58
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	36
Depression	20
Chronic Kidney Disease	25
Asthma	4
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	22
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Walter Oldendorf, MD treated as an internist in Loudonville, NY during 2020 were lab tests, preventive care, diabetes management and vaccines.

Volume of procedures performed by Dr. Mark Walter Oldendorf, MD for Medicare patients.

diabetes management	107
doctor visit	456
lab tests	148
preventive care	120
vaccines	12

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Walter Oldendorf, MD.

**Gender**
Male	246
Female	175

**Ethnicity**
Non-Hispanic White	361
Black	22
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	134
85 and over	50
Less than 65	41

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2020

Hypertension	57
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	39
Depression	21
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	7
Diabetes	21
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Walter Oldendorf, MD treated as an internist in Loudonville, NY during 2021 were lab tests, diabetes management and preventive care.

Volume of procedures performed by Dr. Mark Walter Oldendorf, MD for Medicare patients.

diabetes management	149
doctor visit	392
lab tests	181
preventive care	113

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Walter Oldendorf, MD.

**Gender**
Male	214
Female	125

**Ethnicity**
Non-Hispanic White	290
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	114
85 and over	34
Less than 65	26

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2021

Hypertension	57
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	44
Depression	21
Chronic Kidney Disease	29
Asthma	6
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	10
Diabetes	24
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Walter Oldendorf, MD treated as an internist in Loudonville, NY during 2022 were lab tests, diabetes management and preventive care.

Volume of procedures performed by Dr. Mark Walter Oldendorf, MD for Medicare patients.

diabetes management	103
doctor visit	344
lab tests	103
preventive care	47

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Walter Oldendorf, MD.

**Gender**
Male	236
Female	148

**Ethnicity**
Non-Hispanic White	325
Black	21
Hispanic	0
Asian	0
Other	27
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	129
85 and over	44
Less than 65	23

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2022

Hypertension	69
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	38
Depression	16
Chronic Kidney Disease	16
Asthma	10
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	22
Dementia	4
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark Walter Oldendorf, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark Walter Oldendorf, MD treated as an internist in Loudonville, NY were lab tests, preventive care, diabetes management and vaccines.

diabetes management	177
doctor visit	1112
ear procedures	15
lab tests	324
preventive care	299
pulmonary testing	15
ultrasound (sonogram)	17
vaccines	148
vascular procedures	68

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark Walter Oldendorf, MD.

**Gender**
Male	282
Female	248

**Ethnicity**
Black / African American	40
Asian / Pacific Islander	0
Non-Hispanic White	449
Native American / Alaskan Native	0
Hispanic	0
Other	23

**Age**
75 to 84	137
85 and over	70
Less than 65	72
65 to 74	251

Average of Total of Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark Walter Oldendorf, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	54
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	33
Depression	17
Chronic Kidney Disease	19
Asthma	6
Osteoporosis	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	21
Atrial Fibrillation	10
Cancer	11
Dementia	7

Education & Training

Dr. Mark Walter Oldendorf, MD graduated from Albany Medical College in 1976. He is certified by the Internal Medicine, Internal Medicine, American Board and has a state license in New York.

Medical School: Albany Medical College (1976)

Board Certification: Internal Medicine, Internal Medicine, American Board (1981)

Licensed In: New York

Affiliations & Hospitals

Dr. Mark Walter Oldendorf, MD is associated with these hospitals and organizations:

St. Peter's Health Partners

Ratings & Reviews

Dr. Mark Walter Oldendorf, MD has a high overall rating with an average of 3.67 out of 5 stars based on 9 ratings. We collect ratings and reviews of Dr. Mark Walter Oldendorf, MD from all over the web to help you find the right in Loudonville, NY.

3.67

Overall Rating

(9 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Mark Walter Oldendorf, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$1,089 FARXIGA $508	ONGLYZA $128	SYMBICORT $105	BYDUREON PEN $94	BYDUREON WEEKLY $93	Other $161
Novo Nordisk Inc	$784 Saxenda $315	Victoza $165	Ozempic $108	Tresiba $50	RYBELSUS $49	Other $96
Lilly USA, LLC	$327 JARDIANCE $109	MOUNJARO $106	BASAGLAR $61	TRULICITY $24	TRADJENTA $16	Other $12
GlaxoSmithKline, LLC.	$318 TRELEGY ELLIPTA $119	BREO $86	FLOVENT $25	INCRUSE $19	ANORO $18	Other $51
Daiichi Sankyo Inc.	$294 Azor $162	Welchol $58	Benicar $46	Tribenzor $28
Other	$4,027 REXULTI $223	SUBOXONE SUBLINGUAL FILM $211	Brintellix $158	VRAYLAR $155	LINZESS $146	Other $3,135

**Types of Payments**
Food and Beverage	$6,693
Education	$144

Biography

Dr. Mark Oldendorf's medical specialty is family medicine and geriatrics (elderly care). His average rating from his patients is 3.5 stars (out of 5). His clinical interests include primary care, sleep disorders, and internal medicine. Dr. Oldendorf attended medical school at Albany Medical College. He is professionally affiliated with St. Peter's Health Partners. According to St. Peter's Health Partners, new patients are welcome to contact his office in Loudonville, NY.

Select Year:

Dr. Mark Walter Oldendorf, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Mark Walter Oldendorf, MD in 2023

By Volume:

By Affordability:

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. Mark Walter Oldendorf, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Mark Walter Oldendorf, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography