In 2024, Dr. Steven Peter Marshak, MD had a list price for flu shot, flu vaccine, immunization (preventive vaccines), and vaccines that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Virginia. 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 Affordability:

blood draw

blood draw for lab tests

phlebotomy for lab tests

venipuncture

In 2012, Dr. Steven Peter Marshak, MD had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Virginia. 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. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2012 were blood draw, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

blood draw	101
doctor visit	349
lab tests	28
preventive care	22
vaccines	22

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2013 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

blood draw	120
doctor visit	445
lab tests	38
preventive care	40
vaccines	40

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Male	72
Female	71

**Ethnicity**
Non-Hispanic White	118
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	41
85 and over	11
Less than 65	20

Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD in 2013

Hypertension	59
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	28
Depression	13
Chronic Kidney Disease	13
Asthma	0
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	0
Diabetes	20
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2014 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

abdominal imaging	11
blood draw	160
doctor visit	499
lab tests	38
preventive care	56
ultrasound (sonogram)	11
vaccines	56

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Male	114
Female	85

**Ethnicity**
Non-Hispanic White	173
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	106
From 75 to 84	51
85 and over	23
Less than 65	19

Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD in 2014

Hypertension	57
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	31
Depression	8
Chronic Kidney Disease	14
Asthma	6
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	21
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2015 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

blood draw	195
doctor visit	405
lab tests	79
preventive care	130
vaccines	130

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Male	262
Female	234

**Ethnicity**
Non-Hispanic White	404
Black	0
Hispanic	0
Asian	44
Other	24
Native American	0

**Age**
From 65 to 74	262
From 75 to 84	124
85 and over	64
Less than 65	46

Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD in 2015

Hypertension	54
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	27
Depression	12
Chronic Kidney Disease	13
Asthma	6
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2016 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

blood draw	196
doctor visit	360
ear procedures	14
lab tests	56
preventive care	101
vaccines	84

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Male	138
Female	122

**Ethnicity**
Non-Hispanic White	212
Black	0
Hispanic	0
Asian	22
Other	13
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	67
85 and over	32
Less than 65	22

Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD in 2016

Hypertension	53
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	29
Depression	13
Chronic Kidney Disease	18
Asthma	7
Osteoperosis	5
Atrial Fibrilation	6
Heart Failure	5
Chronic Obstructive Pulmonary Disease	0
Diabetes	20
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2017 were blood draw, lab tests and preventive care.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

blood draw	210
doctor visit	408
lab tests	47
preventive care	27

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Male	155
Female	134

**Ethnicity**
Non-Hispanic White	236
Black	0
Hispanic	0
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	156
From 75 to 84	80
85 and over	35
Less than 65	18

Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD in 2017

Hypertension	51
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	28
Depression	16
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	9
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	9
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2018 were blood draw, lab tests and preventive care.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

blood draw	237
doctor visit	633
lab tests	33
preventive care	17

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Male	174
Female	135

**Ethnicity**
Non-Hispanic White	243
Black	0
Hispanic	0
Asian	33
Other	20
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	92
85 and over	30
Less than 65	23

Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD in 2018

Hypertension	49
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	19
Asthma	5
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	4
Diabetes	22
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2019 were blood draw, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

blood draw	257
doctor visit	715
lab tests	37
preventive care	37
vaccines	12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Male	193
Female	165

**Ethnicity**
Non-Hispanic White	294
Black	0
Hispanic	0
Asian	29
Other	20
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	101
85 and over	35
Less than 65	20

Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD in 2019

Hypertension	54
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	24
Asthma	4
Osteoperosis	7
Atrial Fibrilation	6
Heart Failure	9
Chronic Obstructive Pulmonary Disease	4
Diabetes	21
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2020 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

blood draw	339
doctor visit	570
preventive care	46
vaccines	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Male	224
Female	172

**Ethnicity**
Non-Hispanic White	324
Black	0
Hispanic	0
Asian	36
Other	23
Native American	0

**Age**
From 65 to 74	216
From 75 to 84	124
85 and over	34
Less than 65	22

Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD in 2020

Hypertension	44
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	26
Depression	14
Chronic Kidney Disease	28
Asthma	4
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	3
Diabetes	22
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2021 were blood draw and preventive care.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

blood draw	283
doctor visit	543
preventive care	19

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Male	230
Female	184

**Ethnicity**
Non-Hispanic White	332
Black	0
Hispanic	0
Asian	36
Other	25
Native American	0

**Age**
From 65 to 74	205
From 75 to 84	154
85 and over	35
Less than 65	20

Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD in 2021

Hypertension	50
High Cholesterol	62
Stroke	3
Ischemic Heart Disease	27
Depression	16
Chronic Kidney Disease	30
Asthma	5
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	21
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2022 were blood draw, preventive care and lab tests.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

blood draw	352
doctor visit	569
lab tests	15
preventive care	25

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Male	229
Female	196

**Ethnicity**
Non-Hispanic White	339
Black	0
Hispanic	0
Asian	35
Other	29
Native American	0

**Age**
From 65 to 74	200
From 75 to 84	171
85 and over	39
Less than 65	15

Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD in 2022

Hypertension	65
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	21
Depression	14
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2023 were blood draw and preventive care.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

blood draw	188
doctor visit	543
preventive care	20

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Male	239
Female	191

**Ethnicity**
Non-Hispanic White	343
Black	0
Hispanic	0
Asian	39
Other	31
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	169
85 and over	43
Less than 65	12

Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD in 2023

Hypertension	66
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	21
Depression	14
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	7
Chronic Obstructive Pulmonary Disease	5
Diabetes	21
Dementia	4
Cancer	14

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA during 2024 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

blood draw	105
doctor visit	825
preventive care	72
vaccines	52

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Male	240
Female	198

**Ethnicity**
Non-Hispanic White	351
Black	11
Hispanic	13
Asian	32
Other	31
Native American	0

**Age**
From 65 to 74	213
From 75 to 84	175
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD in 2024

Hypertension	63
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	23
Depression	13
Chronic Kidney Disease	18
Asthma	6
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	8
Chronic Obstructive Pulmonary Disease	5
Diabetes	22
Dementia	4
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Steven Peter Marshak, MD for Medicare patients.

The highest averages for the top procedures that Dr. Steven Peter Marshak, MD treated as an internist in Leesburg, VA were blood draw, vaccines, preventive care and lab tests.

abdominal imaging	11
blood draw	211
doctor visit	528
ear procedures	14
lab tests	41
preventive care	47
ultrasound (sonogram)	11
vaccines	52

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Steven Peter Marshak, MD.

**Gender**
Female	145
Male	174

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	25
Non-Hispanic White	259
Hispanic	1
Native American / Alaskan Native	0
Other	16

**Age**
85 and over	29
75 to 84	103
Less than 65	18
65 to 74	164

Average of Total of Conditions of Medicare patients treated by Dr. Steven Peter Marshak, MD From 2012 - 2024

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

Hypertension	51
High Cholesterol	56
Stroke	1
Ischemic Heart Disease	24
Depression	12
Chronic Kidney Disease	17
Asthma	4
Osteoporosis	5
Heart Failure	8
Chronic Obstructive Pulmonary Disease	3
Diabetes	19
Atrial Fibrillation	8
Dementia	4
Cancer	9

Education & Training

He has a state license in Maryland.

Licensed In: Maryland

Ratings & Reviews

Dr. Steven Peter Marshak, MD has an average of 2.33 out of 5 stars based on 6 ratings. We collect ratings and reviews of Dr. Steven Peter Marshak, MD from all over the web to help you find the right in Leesburg, VA.

2.33

Overall Rating

(6 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Novo Nordisk Inc	$1,481 Victoza $340	Ozempic $329	Wegovy $327	RYBELSUS $292	Tresiba $83	Other $109
AbbVie Inc.	$723 VRAYLAR $322	UBRELVY $267	QULIPTA $78	Synthroid $55
Pfizer Inc.	$623 COLOGUARD $143	TRUMENBA $98	ZAVZPRET $74	NURTEC ODT $68	CHANTIX $62	Other $178
Takeda Pharmaceuticals U.S.A., Inc.	$587 Trintellix $351	VYVANSE $219	GATTEX $17
Ironshore Pharmaceuticals Inc.	$412 JORNAY PM $225	Jornay PM 20mg capsules (Bottle of 100) $188
Other	$4,804 JARDIANCE $208	NURTEC ODT $190	Trintellix $181	Contrave $181	Brintellix $173	Other $3,870