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Home > VA Providers > Family Physicians & Family Medicine Specialists

Dr. Mark Gregory Clarke, MD

Accepting New Patients

(238 Ratings)

Specializes in: Family Medicine

University of Pittsburgh School of Medicine (1984)

216 Mason Avenue
Cape Charles, VA 23310

(757) 331-1422

Dr. Mark Gregory Clarke, MD is a family medicine practitioner in Cape Charles, VA specializing in family medicine. He graduated from University of Pittsburgh School of Medicine in 1984 and has 42 years of experience. Dr. Mark Gregory Clarke, MD is affiliated with Riverside Health.

Office Locations

216 Mason Avenue
Cape Charles, VA 23310

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In The News

“She retired from the office of Dr. Mark Clarke in Cape Charles in 2002.”—"Linda Lee Holloway", Daily Press, July 2005

Noteworthy Medicare Patient Procedures Performed by Dr. Mark Gregory Clarke, MD in 2023

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

Top 5%

By Affordability:

blood count tests

In 2023, Dr. Mark Gregory Clarke, MD had a list price for blood count tests that was lower than the list prices billed to Medicare by 95% 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 10%

By Volume:

flu shot

By Affordability:

blood tests

In 2023, among providers in related specialties within Virginia, Dr. Mark Gregory Clarke, MD performed more flu shot procedures for Medicare patients than 90% of them and he also had a list price for blood tests 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:

lab tests

preventive care

prothrombin time test

rapid flu test

By Affordability:

inpatient hospital care

liver function tests

prothrombin time test

rapid flu test

urinalysis

In 2012, among providers in related specialties within Virginia, Dr. Mark Gregory Clarke, MD performed more lab tests, preventive care, prothrombin time (PT) test, and rapid flu test procedures for Medicare patients than 75% of them and he also had a list price for antigen tests, coagulation (blood clotting) tests, hemoglobin test, hospital care, influenza tests, inpatient care, inpatient hospital care (for patient admitted to hospital), liver function tests (LFTs), prothrombin time (PT) test, rapid flu test, and urinalysis 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 Gregory Clarke, MD treated as a family medicine practitioner in Cape Charles, VA during 2012 were lab tests, preventive care, diabetes management and blood draw.

Volume of procedures performed by Dr. Mark Gregory Clarke, MD for Medicare patients.

aspiration	28
blood draw	405
diabetes management	629
doctor visit	1314
hospital care	190
injections	28
inpatient care	190
lab tests	1756
musculoskeletal imaging	15
preventive care	989
spinal procedures	19
thoracic (chest) imaging	52
vaccines	190
X-rays	86

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Clarke, MD treated as a family medicine practitioner in Cape Charles, VA during 2013 were lab tests, preventive care, diabetes management and blood draw.

Volume of procedures performed by Dr. Mark Gregory Clarke, MD for Medicare patients.

aspiration	25
blood draw	414
diabetes management	523
doctor visit	1289
hospital care	179
injections	25
inpatient care	179
lab tests	1898
musculoskeletal imaging	14
preventive care	922
thoracic (chest) imaging	48
thyroid function tests	75
vaccines	220
X-rays	62

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Clarke, MD.

**Gender**
Male	273
Female	304

**Ethnicity**
Non-Hispanic White	391
Black	175
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	140
85 and over	60
Less than 65	181

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2013

Hypertension	67
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	23
Depression	32
Chronic Kidney Disease	14
Asthma	11
Osteoperosis	3
Atrial Fibrilation	5
Heart Failure	8
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Clarke, MD treated as a family medicine practitioner in Cape Charles, VA during 2014 were lab tests, preventive care, diabetes management and blood draw.

Volume of procedures performed by Dr. Mark Gregory Clarke, MD for Medicare patients.

aspiration	21
blood draw	357
diabetes management	498
doctor visit	1297
hospital care	169
injections	21
inpatient care	169
lab tests	2345
preventive care	1025
thoracic (chest) imaging	38
thyroid function tests	141
vaccines	232
X-rays	38

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Clarke, MD.

**Gender**
Male	286
Female	306

**Ethnicity**
Non-Hispanic White	395
Black	183
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	205
From 75 to 84	149
85 and over	70
Less than 65	168

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2014

Hypertension	68
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	23
Depression	29
Chronic Kidney Disease	17
Asthma	12
Osteoperosis	4
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Clarke, MD treated as a family medicine practitioner in Cape Charles, VA during 2015 were lab tests, preventive care, diabetes management and blood draw.

Volume of procedures performed by Dr. Mark Gregory Clarke, MD for Medicare patients.

aspiration	35
blood draw	421
diabetes management	502
doctor visit	1395
hospital care	138
injections	35
inpatient care	138
lab tests	2506
preventive care	1140
thoracic (chest) imaging	22
thyroid function tests	143
vaccines	285
X-rays	22

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Clarke, MD.

**Gender**
Male	578
Female	630

**Ethnicity**
Non-Hispanic White	842
Black	336
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	446
From 75 to 84	288
85 and over	146
Less than 65	328

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2015

Hypertension	68
High Cholesterol	61
Stroke	3
Ischemic Heart Disease	23
Depression	27
Chronic Kidney Disease	17
Asthma	13
Osteoperosis	5
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Clarke, MD treated as a family medicine practitioner in Cape Charles, VA during 2016 were lab tests, preventive care, diabetes management and blood draw.

Volume of procedures performed by Dr. Mark Gregory Clarke, MD for Medicare patients.

blood draw	422
diabetes management	434
doctor visit	1412
hospital care	127
inpatient care	127
lab tests	2512
preventive care	1190
thyroid function tests	142
vaccines	226

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Clarke, MD.

**Gender**
Male	274
Female	294

**Ethnicity**
Non-Hispanic White	401
Black	149
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	213
From 75 to 84	149
85 and over	69
Less than 65	137

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2016

Hypertension	70
High Cholesterol	62
Stroke	2
Ischemic Heart Disease	23
Depression	25
Chronic Kidney Disease	22
Asthma	16
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Clarke, MD treated as a family medicine practitioner in Cape Charles, VA during 2017 were lab tests, preventive care, diabetes management and blood draw.

Volume of procedures performed by Dr. Mark Gregory Clarke, MD for Medicare patients.

aspiration	17
blood draw	221
diabetes management	339
doctor visit	1410
hospital care	112
injections	17
inpatient care	112
lab tests	2457
preventive care	1174
thyroid function tests	104
vaccines	212

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Clarke, MD.

**Gender**
Male	246
Female	258

**Ethnicity**
Non-Hispanic White	348
Black	140
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	118
85 and over	73
Less than 65	109

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2017

Hypertension	71
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	23
Depression	21
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Clarke, MD treated as a family medicine practitioner in Cape Charles, VA during 2018 were lab tests, preventive care, blood draw and vaccines.

Volume of procedures performed by Dr. Mark Gregory Clarke, MD for Medicare patients.

aspiration	15
blood draw	403
diabetes management	194
doctor visit	1308
hospital care	119
injections	15
inpatient care	119
lab tests	1110
preventive care	843
vaccines	230

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Clarke, MD.

**Gender**
Male	300
Female	248

**Ethnicity**
Non-Hispanic White	368
Black	156
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	138
85 and over	55
Less than 65	126

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2018

Hypertension	70
High Cholesterol	62
Stroke	3
Ischemic Heart Disease	23
Depression	24
Chronic Kidney Disease	25
Asthma	7
Osteoperosis	4
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Clarke, MD treated as a family medicine practitioner in Cape Charles, VA during 2019 were lab tests, preventive care, blood draw and vaccines.

Volume of procedures performed by Dr. Mark Gregory Clarke, MD for Medicare patients.

blood draw	429
diabetes management	172
doctor visit	1320
hospital care	111
inpatient care	111
lab tests	750
preventive care	498
vaccines	198

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Clarke, MD.

**Gender**
Male	289
Female	285

**Ethnicity**
Non-Hispanic White	396
Black	153
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	243
From 75 to 84	149
85 and over	56
Less than 65	126

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2019

Hypertension	71
High Cholesterol	61
Stroke	3
Ischemic Heart Disease	24
Depression	28
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	5
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	27
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Clarke, MD treated as a family medicine practitioner in Cape Charles, VA during 2020 were lab tests, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Mark Gregory Clarke, MD for Medicare patients.

blood draw	440
diabetes management	140
doctor visit	1137
hospital care	61
inpatient care	61
lab tests	454
preventive care	372
vaccines	212

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Clarke, MD.

**Gender**
Male	264
Female	232

**Ethnicity**
Non-Hispanic White	352
Black	123
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	227
From 75 to 84	132
85 and over	49
Less than 65	88

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2020

Hypertension	66
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	23
Depression	21
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Clarke, MD treated as a family medicine practitioner in Cape Charles, VA during 2021 were lab tests, preventive care, blood draw and vaccines.

Volume of procedures performed by Dr. Mark Gregory Clarke, MD for Medicare patients.

aspiration	21
blood draw	368
diabetes management	150
doctor visit	1137
hospital care	58
injections	21
inpatient care	58
lab tests	436
preventive care	393
vaccines	214

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Clarke, MD.

**Gender**
Male	472
Female	470

**Ethnicity**
Non-Hispanic White	703
Black	196
Hispanic	0
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	425
From 75 to 84	326
85 and over	112
Less than 65	79

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2021

Hypertension	56
High Cholesterol	48
Stroke	3
Ischemic Heart Disease	20
Depression	14
Chronic Kidney Disease	18
Asthma	7
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Clarke, MD treated as a family medicine practitioner in Cape Charles, VA during 2022 were lab tests, preventive care, blood draw and vaccines.

Volume of procedures performed by Dr. Mark Gregory Clarke, MD for Medicare patients.

blood draw	300
diabetes management	129
doctor visit	1051
hospital care	33
inpatient care	33
lab tests	463
preventive care	346
vaccines	187

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Clarke, MD.

**Gender**
Male	343
Female	309

**Ethnicity**
Non-Hispanic White	502
Black	115
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	310
From 75 to 84	221
85 and over	66
Less than 65	55

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2022

Hypertension	73
High Cholesterol	73
Stroke	5
Ischemic Heart Disease	18
Depression	13
Chronic Kidney Disease	16
Asthma	11
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	27
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark Gregory Clarke, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark Gregory Clarke, MD treated as a family medicine practitioner in Cape Charles, VA were lab tests, preventive care, blood draw and diabetes management.

aspiration	23
blood draw	380
diabetes management	337
doctor visit	1279
hospital care	117
injections	23
inpatient care	117
lab tests	1517
musculoskeletal imaging	14
preventive care	808
spinal procedures	19
thoracic (chest) imaging	40
thyroid function tests	121
vaccines	218
X-rays	52

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark Gregory Clarke, MD.

**Gender**
Male	302
Female	303

**Ethnicity**
Black / African American	156
Asian / Pacific Islander	0
Non-Hispanic White	427
Native American / Alaskan Native	0
Hispanic	0
Other	6

**Age**
75 to 84	164
85 and over	68
Less than 65	127
65 to 74	245

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

The highest averages of the most common conditions of Medicare patients that Dr. Mark Gregory Clarke, MD treated were hypertension, high cholesterol, diabetes and depression.

Hypertension	61
High Cholesterol	53
Stroke	2
Ischemic Heart Disease	20
Depression	21
Chronic Kidney Disease	18
Asthma	9
Osteoporosis	4
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Atrial Fibrillation	7
Dementia	6
Cancer	9

Education & Training

Dr. Mark Gregory Clarke, MD graduated from University of Pittsburgh School of Medicine in 1984. He completed residency at Eastern Virginia Medical School Affiliated Hospitals. He is certified by the American Board of Family Medicine and has a state license in Virginia.

Medical School: University of Pittsburgh School of Medicine (1984)

Residency: Eastern Virginia Medical School Affiliated Hospitals

Board Certification: American Board of Family Medicine

Licensed In: Virginia

Affiliations & Hospitals

Dr. Mark Gregory Clarke, MD is associated with these hospitals and organizations:

Riverside Health

Ratings & Reviews

Dr. Mark Gregory Clarke, MD has an exceptional overall rating with an average of 4.91 out of 5 stars based on 238 ratings. We collect ratings and reviews of Dr. Mark Gregory Clarke, MD from all over the web to help you find the right in Cape Charles, VA.

4.91

Overall Rating

(238 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$1,118 JARDIANCE $644	STIOLTO $166	SPIRIVA RESPIMAT $165	STIOLTO RESPIMAT $101	GLYXAMBI $26	Other $15
Pfizer Inc.	$1,072 ELIQUIS $483	LYRICA $299	EUCRISA $67	VIAGRA $66	PREVNAR - 13 $66	Other $91
Lilly USA, LLC	$671 JARDIANCE $200	TRULICITY $128	BASAGLAR $101	FORTEO $81	TRADJENTA $71	Other $90
AstraZeneca Pharmaceuticals LP	$524 FARXIGA $375	BYDUREON PEN $67	BYDUREON $27	ONGLYZA $24	BREZTRI $14	Other $16
Novo Nordisk Inc	$518 Victoza $275	NovoLog $92	RYBELSUS $74	Tresiba $48	Saxenda $30
Other	$2,135 ELIQUIS $231	INVOKANA $228	ANORO $187	XARELTO $180	BREO $106	Other $1,203

**Types of Payments**
Food and Beverage	$5,994
Education	$45

Biography

Dr. Mark Clarke's area of specialization is family medicine. Patients rated him highly, giving him an average of 5.0 stars (out of 5). He attended medical school at the University of Pittsburgh School of Medicine. Dr. Clarke's residency was performed at a hospital affiliated with Eastern Virginia Medical School. Dr. Clarke is affiliated with Riverside Medical Group and Riverside Health. According to Doctor.com, new patients are welcome to contact his office in Cape Charles, VA.

Select Year:

Dr. Mark Gregory Clarke, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Mark Gregory Clarke, 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. Mark Gregory Clarke, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Gregory Clarke, 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 Gregory Clarke, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Cape Charles, VA