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Dr. Louisa Ziglar, MD

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Specializes in: Adult Rheumatology

SUNY Downstate Medical Center College of Medicine (2002)

161 Thomas Johnson Drive Suite 250
Frederick, MD 21702

(301) 942-7600

Dr. Louisa Ziglar, MD is a rheumatologist in Rockville, MD specializing in adult rheumatology. She graduated from SUNY Downstate Medical Center College of Medicine in 2002 and has 24 years of experience. Dr. Louisa Ziglar, MD is affiliated with ARTHRITIS AND RHEUMATISM ASSOCIATES PC.

Office Locations

14995 Shady Grove Road Suite 500
Rockville, MD 20850

(301) 774-1799

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161 Thomas Johnson Drive Suite 250
Frederick, MD 21702

(301) 942-7600

(301) 694-0187

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Noteworthy Medicare Patient Procedures Performed by Dr. Louisa Ziglar, MD in 2023

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

Top 5%

By Affordability:

creatinine test

creatinine urine test

kidney function tests

total protein test

total protein urine test

urinalysis

In 2023, Dr. Louisa Ziglar, MD had a list price for creatinine test, creatinine urine test, kidney function tests, total protein test, total protein urine test, and urinalysis that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Maryland. 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.

Top 10%

By Volume:

blood draw

phlebotomy for lab tests

total protein urine test

By Affordability:

creatine kinase tests

sed rate

total creatine kinase test

In 2023, among providers in related specialties within Maryland, Dr. Louisa Ziglar, MD performed more blood draw, phlebotomy for lab tests, and total protein urine test procedures for Medicare patients than 90% of them and she also had a list price for creatine kinase tests, sed rate (ESR), and total creatine kinase test that was lower than the list prices billed to Medicare by 90% 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.

Top 25%

By Volume:

complete blood count

creatinine urine test

lab tests

By Affordability:

antibody tests

autoantibody tests

blood draw

blood draw for lab tests

complement tests

C-reactive protein testing

immunoglobulin tests

phlebotomy for lab tests

In 2012, among providers in related specialties within Maryland, Dr. Louisa Ziglar, MD performed more complete blood count (CBC), creatinine urine test, and lab tests procedures for Medicare patients than 75% of them and she also had a list price for antibody tests, autoantibody tests, blood draw, blood draw for lab tests, complement tests, C-reactive protein testing, immunoglobulin tests, phlebotomy for lab tests, uric acid blood test, uric acid test, urine tests, venipuncture (phlebotomy), and vitamin D test 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

Volume of procedures performed by Dr. Louisa Ziglar, MD for Medicare patients.

doctor visit	99

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Louisa Ziglar, MD treated as a rheumatologist in Rockville, MD during 2013 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Louisa Ziglar, MD for Medicare patients.

aspiration	77
doctor visit	349
injections	77
musculoskeletal imaging	11
X-rays	11

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Louisa Ziglar, MD.

**Gender**
Male	27
Female	106

**Ethnicity**
Non-Hispanic White	88
Black	0
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	42
85 and over	18
Less than 65	19

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2013

Hypertension	75
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	41
Depression	17
Chronic Kidney Disease	17
Asthma	14
Osteoperosis	33
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	32
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Louisa Ziglar, MD treated as a rheumatologist in Rockville, MD during 2014 were aspiration and injections.

Volume of procedures performed by Dr. Louisa Ziglar, MD for Medicare patients.

aspiration	72
doctor visit	399
injections	72

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Louisa Ziglar, MD.

**Gender**
Male	33
Female	118

**Ethnicity**
Non-Hispanic White	85
Black	0
Hispanic	37
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	45
85 and over	20
Less than 65	26

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2014

Hypertension	72
High Cholesterol	63
Stroke	10
Ischemic Heart Disease	36
Depression	19
Chronic Kidney Disease	21
Asthma	11
Osteoperosis	23
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	38
Dementia	11
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Louisa Ziglar, MD treated as a rheumatologist in Rockville, MD during 2015 were lab tests, aspiration, injections and blood draw.

Volume of procedures performed by Dr. Louisa Ziglar, MD for Medicare patients.

aspiration	51
blood draw	29
doctor visit	309
injections	51
lab tests	80

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Louisa Ziglar, MD.

**Gender**
Male	82
Female	256

**Ethnicity**
Non-Hispanic White	220
Black	26
Hispanic	64
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	118
85 and over	44
Less than 65	44

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2015

Hypertension	68
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	37
Depression	23
Chronic Kidney Disease	20
Asthma	12
Osteoperosis	29
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	34
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Louisa Ziglar, MD treated as a rheumatologist in Rockville, MD during 2016 were lab tests, blood draw, aspiration and injections.

Volume of procedures performed by Dr. Louisa Ziglar, MD for Medicare patients.

aspiration	96
blood draw	173
doctor visit	767
injections	96
lab tests	522
musculoskeletal imaging	15
thyroid function tests	16
X-rays	15

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Louisa Ziglar, MD.

**Gender**
Male	72
Female	197

**Ethnicity**
Non-Hispanic White	222
Black	14
Hispanic	0
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	108
85 and over	34
Less than 65	12

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2016

Hypertension	60
High Cholesterol	67
Stroke	4
Ischemic Heart Disease	25
Depression	19
Chronic Kidney Disease	18
Asthma	16
Osteoperosis	25
Atrial Fibrilation	9
Heart Failure	8
Chronic Obstructive Pulmonary Disease	12
Diabetes	20
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Louisa Ziglar, MD treated as a rheumatologist in Rockville, MD during 2017 were lab tests, blood draw, aspiration and injections.

Volume of procedures performed by Dr. Louisa Ziglar, MD for Medicare patients.

aspiration	115
blood draw	241
doctor visit	879
injections	115
lab tests	704
musculoskeletal imaging	22
preventive care	12
thyroid function tests	14
vaccines	12
X-rays	22

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Louisa Ziglar, MD.

**Gender**
Male	82
Female	258

**Ethnicity**
Non-Hispanic White	269
Black	19
Hispanic	0
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	148
From 75 to 84	126
85 and over	45
Less than 65	21

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2017

Hypertension	61
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	24
Depression	24
Chronic Kidney Disease	16
Asthma	8
Osteoperosis	29
Atrial Fibrilation	6
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	21
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Louisa Ziglar, MD treated as a rheumatologist in Rockville, MD during 2018 were lab tests, blood draw, aspiration and injections.

Volume of procedures performed by Dr. Louisa Ziglar, MD for Medicare patients.

aspiration	100
biological response modifier (BRM) therapy	12
blood draw	252
chemotherapy	12
doctor visit	833
injections	100
lab tests	750
minimally invasive procedures	46
musculoskeletal imaging	45
thyroid function tests	17
X-rays	45

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Louisa Ziglar, MD.

**Gender**
Male	92
Female	263

**Ethnicity**
Non-Hispanic White	282
Black	13
Hispanic	16
Asian	26
Other	18
Native American	0

**Age**
From 65 to 74	156
From 75 to 84	121
85 and over	56
Less than 65	22

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2018

Hypertension	61
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	25
Depression	23
Chronic Kidney Disease	20
Asthma	9
Osteoperosis	31
Atrial Fibrilation	6
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Louisa Ziglar, MD treated as a rheumatologist in Rockville, MD during 2019 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Louisa Ziglar, MD for Medicare patients.

aspiration	81
biological response modifier (BRM) therapy	94
blood draw	569
chemotherapy	94
doctor visit	1005
injections	81
lab tests	2761
minimally invasive procedures	113
musculoskeletal imaging	49
preventive care	15
spinal procedures	22
thyroid function tests	24
vaccines	15
X-rays	71

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Louisa Ziglar, MD.

**Gender**
Male	91
Female	352

**Ethnicity**
Non-Hispanic White	357
Black	34
Hispanic	21
Asian	18
Other	13
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	159
85 and over	37
Less than 65	51

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2019

Hypertension	60
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	29
Depression	26
Chronic Kidney Disease	23
Asthma	12
Osteoperosis	33
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Louisa Ziglar, MD treated as a rheumatologist in Rockville, MD during 2020 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Louisa Ziglar, MD for Medicare patients.

aspiration	55
biological response modifier (BRM) therapy	117
blood draw	625
chemotherapy	117
doctor visit	1037
injections	55
lab tests	2869
minimally invasive procedures	134
musculoskeletal imaging	93
preventive care	34
spinal procedures	21
thyroid function tests	34
vaccines	16
X-rays	114

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Louisa Ziglar, MD.

**Gender**
Male	125
Female	472

**Ethnicity**
Non-Hispanic White	455
Black	35
Hispanic	34
Asian	45
Other	28
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	205
85 and over	57
Less than 65	50

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2020

Hypertension	56
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	30
Depression	25
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	40
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	23
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Louisa Ziglar, MD treated as a rheumatologist in Rockville, MD during 2021 were lab tests, blood draw, minimally invasive procedures and X-rays.

Volume of procedures performed by Dr. Louisa Ziglar, MD for Medicare patients.

aspiration	87
biological response modifier (BRM) therapy	127
blood draw	813
chemotherapy	127
doctor visit	1252
injections	110
lab tests	3536
minimally invasive procedures	165
musculoskeletal imaging	131
pain management	11
preventive care	11
spinal procedures	24
thyroid function tests	32
X-rays	155

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Louisa Ziglar, MD.

**Gender**
Male	132
Female	530

**Ethnicity**
Non-Hispanic White	519
Black	37
Hispanic	27
Asian	41
Other	38
Native American	0

**Age**
From 65 to 74	317
From 75 to 84	224
85 and over	72
Less than 65	49

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2021

Hypertension	59
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	31
Depression	27
Chronic Kidney Disease	23
Asthma	14
Osteoperosis	42
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	7
Diabetes	21
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Louisa Ziglar, MD treated as a rheumatologist in Rockville, MD during 2022 were lab tests, blood draw, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Louisa Ziglar, MD for Medicare patients.

aspiration	69
biological response modifier (BRM) therapy	94
blood draw	734
chemotherapy	94
doctor visit	1229
injections	69
lab tests	2679
minimally invasive procedures	137
musculoskeletal imaging	164
spinal procedures	31
thyroid function tests	21
X-rays	195

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Louisa Ziglar, MD.

**Gender**
Male	113
Female	582

**Ethnicity**
Non-Hispanic White	552
Black	34
Hispanic	31
Asian	41
Other	37
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	260
85 and over	65
Less than 65	52

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2022

Hypertension	65
High Cholesterol	73
Stroke	7
Ischemic Heart Disease	18
Depression	23
Chronic Kidney Disease	12
Asthma	15
Osteoperosis	50
Atrial Fibrilation	11
Heart Failure	7
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	3
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Louisa Ziglar, MD for Medicare patients.

The highest averages for the top procedures that Dr. Louisa Ziglar, MD treated as a rheumatologist in Rockville, MD were lab tests, blood draw, minimally invasive procedures and chemotherapy.

aspiration	80
biological response modifier (BRM) therapy	88
blood draw	429
chemotherapy	88
doctor visit	741
injections	82
lab tests	1737
minimally invasive procedures	119
musculoskeletal imaging	66
pain management	11
preventive care	18
spinal procedures	24
thyroid function tests	22
vaccines	14
X-rays	78

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Louisa Ziglar, MD.

**Gender**
Male	77
Female	284

**Ethnicity**
Black / African American	19
Asian / Pacific Islander	19
Non-Hispanic White	277
Native American / Alaskan Native	0
Hispanic	23
Other	12

**Age**
75 to 84	128
85 and over	40
Less than 65	31
65 to 74	161

Average of Total of Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Louisa Ziglar, MD treated were hypertension, high cholesterol, osteoperosis and ischemic heart disease.

Hypertension	57
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	26
Depression	20
Chronic Kidney Disease	17
Asthma	11
Osteoporosis	30
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Atrial Fibrillation	8
Dementia	6
Cancer	9

Education & Training

Dr. Louisa Ziglar, MD graduated from SUNY Downstate Medical Center College of Medicine in 2002. She has a state license in Maryland.

Medical School: SUNY Downstate Medical Center College of Medicine (2002)

Licensed In: Maryland

Affiliations & Hospitals

Dr. Louisa Ziglar, MD is associated with these hospitals and organizations:

ARTHRITIS AND RHEUMATISM ASSOCIATES PC

Ratings & Reviews

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General Payments

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

**Payments by Company**
AbbVie, Inc.	$969 Humira $815	Rinvoq $61	$93
Pfizer Inc.	$938 XELJANZ $685	CELEBREX $79	LYRICA $67	INFLECTRA $48	OCTAGAM IMMUNE GLOBULIN (HUMAN) $22	Other $37
Janssen Biotech, Inc.	$904 SIMPONI ARIA $285	STELARA $253	SIMPONI $188	Tremfya $127	REMICADE $51
Amgen Inc.	$665 Prolia $431	Enbrel $176	Repatha $58
Novartis Pharmaceuticals Corporation	$396 COSENTYX $193	NON BRAND $175	Ilaris $28
Other	$4,656 ACTHAR $347	Actemra $343	ORENCIA $337	SAPHNELO $242	Cimzia $212	Other $3,176

**Types of Payments**
Food and Beverage	$8,209
Consulting Fee	$175
Education	$144

Biography

Dr. Louisa Ziglar practices adult rheumatology in Frederick, MD and Rockville, MD. She attended medical school at SUNY Downstate Medical Center College of Medicine.

Select Year:

Dr. Louisa Ziglar, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Louisa Ziglar, MD in 2023

By Affordability:

By Volume:

By Affordability:

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. Louisa Ziglar, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Louisa Ziglar, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Louisa Ziglar, 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. Louisa Ziglar, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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