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Dr. John Constantine Gretes, MD

(No ratings)

Specializes in: Adult Nephrology

University of Alabama at Birmingham School of Medicine

7552 Hospital Drive 302
Gloucester, VA 23061

(804) 693-9062

Dr. John Constantine Gretes, MD is a nephrologist in Gloucester, VA specializing in adult nephrology. He graduated from University of Alabama at Birmingham School of Medicine. Dr. John Constantine Gretes, MD is affiliated with Riverside Health and Riverside Medical Group.

Office Locations

Address:

7552 Hospital Drive 302
Gloucester, VA 23061

In The News

“The family expresses their sincere gratitude to Dr. John Gretes and his staff as well as the medical teams of Riverside Regional Medical Center.”—"MARY LOUISE PUSATERI", The Virginian-Pilot, June 2008

blood draw	535
dialysis	55
doctor visit	1007
hospital care	202
inpatient care	203
lab tests	954
preventive care	13
thyroid function tests	17

**Gender**
Male	202
Female	246

**Ethnicity**
Non-Hispanic White	323
Black	114
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	154
85 and over	78
Less than 65	53

Hypertension	75
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	46
Depression	18
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	40
Chronic Obstructive Pulmonary Disease	16
Diabetes	52
Dementia	13
Cancer	13

blood draw	45
dialysis	67
doctor visit	1244
hospital care	481
inpatient care	482
lab tests	19

**Gender**
Male	281
Female	303

**Ethnicity**
Non-Hispanic White	445
Black	128
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	219
85 and over	101
Less than 65	60

Hypertension	75
High Cholesterol	59
Stroke	8
Ischemic Heart Disease	47
Depression	21
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	7
Atrial Fibrilation	19
Heart Failure	52
Chronic Obstructive Pulmonary Disease	20
Diabetes	51
Dementia	16
Cancer	15

dialysis	153
doctor visit	1341
hospital care	411
inpatient care	397
outpatient care	14

**Gender**
Male	566
Female	608

**Ethnicity**
Non-Hispanic White	922
Black	224
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	436
From 75 to 84	416
85 and over	190
Less than 65	132

Hypertension	75
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	46
Depression	23
Chronic Kidney Disease	75
Asthma	14
Osteoperosis	6
Atrial Fibrilation	18
Heart Failure	50
Chronic Obstructive Pulmonary Disease	22
Diabetes	56
Dementia	14
Cancer	15

dialysis	126
doctor visit	1166
hospital care	408
inpatient care	409

**Gender**
Male	288
Female	313

**Ethnicity**
Non-Hispanic White	461
Black	123
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	232
From 75 to 84	214
85 and over	97
Less than 65	58

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	48
Depression	24
Chronic Kidney Disease	75
Asthma	25
Osteoperosis	6
Atrial Fibrilation	20
Heart Failure	45
Chronic Obstructive Pulmonary Disease	23
Diabetes	53
Dementia	15
Cancer	12

dialysis	120
doctor visit	1009
hospital care	404
inpatient care	405
lab tests	38

**Gender**
Male	302
Female	285

**Ethnicity**
Non-Hispanic White	455
Black	118
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	197
85 and over	104
Less than 65	67

Hypertension	75
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	49
Depression	27
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	8
Atrial Fibrilation	20
Heart Failure	44
Chronic Obstructive Pulmonary Disease	26
Diabetes	53
Dementia	16
Cancer	13

dialysis	156
doctor visit	1089
hospital care	360
inpatient care	361
lab tests	12

**Gender**
Male	320
Female	318

**Ethnicity**
Non-Hispanic White	478
Black	137
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	256
From 75 to 84	228
85 and over	86
Less than 65	68

Hypertension	75
High Cholesterol	71
Stroke	6
Ischemic Heart Disease	48
Depression	24
Chronic Kidney Disease	75
Asthma	6
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	41
Chronic Obstructive Pulmonary Disease	21
Diabetes	56
Dementia	13
Cancer	11

dialysis	111
doctor visit	1088
hospital care	271
inpatient care	272

**Ethnicity**
Non-Hispanic White	514
Black	147
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	256
From 75 to 84	0
85 and over	101
Less than 65	70

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	45
Depression	25
Chronic Kidney Disease	75
Asthma	6
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	40
Chronic Obstructive Pulmonary Disease	21
Diabetes	56
Dementia	13
Cancer	15

dialysis	120
doctor visit	788
hospital care	452
inpatient care	453

**Gender**
Male	336
Female	282

**Ethnicity**
Non-Hispanic White	461
Black	132
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	241
85 and over	85
Less than 65	73

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	46
Depression	25
Chronic Kidney Disease	75
Asthma	5
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	40
Chronic Obstructive Pulmonary Disease	20
Diabetes	56
Dementia	15
Cancer	15

dialysis	181
doctor visit	1245
hospital care	506
inpatient care	507

Average Medicare Procedure Volume From 2013 - 2021

Volume of procedures performed by Dr. John Constantine Gretes, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Constantine Gretes, MD treated as a nephrologist in Gloucester, VA were hospital care, inpatient care, blood draw and lab tests.

blood draw	290
dialysis	121
doctor visit	1110
hospital care	389
inpatient care	387
lab tests	266
outpatient care	14
preventive care	13
thyroid function tests	17

Average Medicare Patient Data From 2013 - 2021

Information about Medicare patients treated by Dr. John Constantine Gretes, MD.

**Gender**
Male	229
Female	235

**Ethnicity**
Black / African American	112
Asian / Pacific Islander	0
Non-Hispanic White	405
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	166
85 and over	84
Less than 65	58
65 to 74	198

Average of Total of Conditions of Medicare patients treated by Dr. John Constantine Gretes, MD From 2013 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. John Constantine Gretes, MD treated were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension	60
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	37
Depression	18
Chronic Kidney Disease	60
Asthma	7
Osteoporosis	5
Heart Failure	35
Chronic Obstructive Pulmonary Disease	16
Diabetes	43
Atrial Fibrillation	14
Cancer	10
Dementia	11

Education & Training

Dr. John Constantine Gretes, MD graduated from University of Alabama at Birmingham School of Medicine. He completed residency at University of Virginia Affiliated Hospitals. He is certified by the American Board of Internal Medicine/Nephrology and has a state license in Virginia.

Medical School: University of Alabama at Birmingham School of Medicine

Residency: University of Virginia Affiliated Hospitals

Board Certification: American Board of Internal Medicine/Nephrology

Licensed In: Virginia

Affiliations & Hospitals

Dr. John Constantine Gretes, MD is associated with these hospitals and organizations:

Riverside Health

Riverside Medical Group

Ratings & Reviews

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General Payments

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

**Payments by Company**
Mallinckrodt LLC	$43,759 ACTHAR $43,759
Questcor Pharmaceuticals	$17,431 ACTHAR $17,431
Novartis Pharmaceuticals Corporation	$2,036 NON_BRAND $2,027	TEKTURNA $10
FOREST PHARMACEUTICALS, INC.	$1,219 BYSTOLIC $1,219
SANOFI-AVENTIS U.S. LLC	$845 RENVELA $845
Other	$1,733 ACTHAR $465	VELTASSA $143	Rayaldee $138	Myrbetriq $119	SAMSCA $114	Other $754

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$38,650
Honoraria	$14,400
Travel and Lodging	$6,889
Food and Beverage	$4,268
Compensation for serving as faculty or as a speaker for a non-accredited and noncertified continuing education program	$2,000
Other	$817

Biography

Dr. John Gretes is a specialist in adult nephrology in Gloucester, VA. Dr. Gretes attended medical school at Duke University School of Medicine. He is professionally affiliated with Riverside Medical Group and Riverside Health System.

Select Year:

Dr. John Constantine Gretes, MD

Office Locations

In The News

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Constantine Gretes, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Constantine Gretes, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Constantine Gretes, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Constantine Gretes, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Constantine Gretes, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Constantine Gretes, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Constantine Gretes, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Constantine Gretes, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Average Medicare Procedure Volume From 2013 - 2021

Average Medicare Patient Data From 2013 - 2021

Average of Total of Conditions of Medicare patients treated by Dr. John Constantine Gretes, MD From 2013 - 2021

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Gloucester, VA