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Dr. Gregory T. Ray, MD, PhD

(Dr. Gregory Thomas Ray, PHD)

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Specializes in: Clinical Pathology and Molecular Genetic Pathology

Duke University School of Medicine (2003)

1625 N George Mason Drive
Arlington, VA 22205

(502) 456-7075

Dr. Gregory T. Ray, MD, PhD is a clinical pathologist in Arlington, VA specializing in clinical pathology and molecular genetic pathology. He graduated from Duke University School of Medicine in 2003 and has 23 years of experience. Dr. Gregory T. Ray, MD, PhD is affiliated with Virginia Hospital Center and CARY POROPATICH MD LLC.

Office Locations

1625 N George Mason Drive
Arlington, VA 22205

(502) 456-7075

(502) 456-4440

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Virginia Hospital Center

Organization:cary Poropatich, Md Llc ? Department of Pathology
Arlington, VA 22205

(703) 558-6251

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Noteworthy Medicare Patient Procedures Performed by Dr. Gregory T. Ray, MD, PhD in 2023

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

Top 5%

By Volume:

lab tests

By Affordability:

immunohistochemistry test

lab tests

special stains

In 2023, among providers in related specialties within Virginia, Dr. Gregory T. Ray, MD, PhD performed more lab tests procedures for Medicare patients than 95% of them and he also had a list price for immunohistochemistry (IHC) test, lab tests, and special stains that was lower than the list prices billed to Medicare by 95% 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 10%

By Affordability:

consultation

intraoperative pathology consultation

In 2023, Dr. Gregory T. Ray, MD, PhD had a list price for consultation, and intraoperative pathology consultation 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:

cytology

liquid-based cytology

non-gynecologic cytology

non-gynecologic liquid-based cytology

In 2012, Dr. Gregory T. Ray, MD, PhD had a list price for cytology, liquid-based cytology (ThinPrep), non-gynecologic cytology, and non-gynecologic liquid-based cytology 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. Gregory T. Ray, MD, PhD treated as a clinical pathologist in Arlington, VA during 2012 were lab tests and cytology.

Volume of procedures performed by Dr. Gregory T. Ray, MD, PhD for Medicare patients.

cytology	24
lab tests	372

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory T. Ray, MD, PhD treated as a clinical pathologist in Arlington, VA during 2013 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Gregory T. Ray, MD, PhD for Medicare patients.

consultation	28
cytology	94
lab tests	1629

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory T. Ray, MD, PhD.

**Gender**
Male	397
Female	501

**Ethnicity**
Non-Hispanic White	663
Black	97
Hispanic	65
Asian	51
Other	22
Native American	0

**Age**
From 65 to 74	463
From 75 to 84	278
85 and over	85
Less than 65	72

Conditions of Medicare patients treated by Dr. Gregory T. Ray, MD, PhD in 2013

Hypertension	71
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	9
Cancer	20

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory T. Ray, MD, PhD treated as a clinical pathologist in Arlington, VA during 2014 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Gregory T. Ray, MD, PhD for Medicare patients.

consultation	26
cytology	103
lab tests	1440

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory T. Ray, MD, PhD.

**Gender**
Male	428
Female	569

**Ethnicity**
Non-Hispanic White	746
Black	91
Hispanic	83
Asian	48
Other	29
Native American	0

**Age**
From 65 to 74	546
From 75 to 84	301
85 and over	79
Less than 65	71

Conditions of Medicare patients treated by Dr. Gregory T. Ray, MD, PhD in 2014

Hypertension	69
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	25
Depression	18
Chronic Kidney Disease	21
Asthma	11
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	7
Cancer	20

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory T. Ray, MD, PhD treated as a clinical pathologist in Arlington, VA during 2015 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Gregory T. Ray, MD, PhD for Medicare patients.

consultation	26
cytology	93
lab tests	1155

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory T. Ray, MD, PhD.

**Gender**
Male	852
Female	1026

**Ethnicity**
Non-Hispanic White	1378
Black	154
Hispanic	160
Asian	110
Other	0
Native American	0

**Age**
From 65 to 74	1036
From 75 to 84	602
85 and over	136
Less than 65	104

Conditions of Medicare patients treated by Dr. Gregory T. Ray, MD, PhD in 2015

Hypertension	66
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	23
Asthma	14
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	25
Dementia	10
Cancer	19

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory T. Ray, MD, PhD treated as a clinical pathologist in Arlington, VA during 2016 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Gregory T. Ray, MD, PhD for Medicare patients.

consultation	24
cytology	97
lab tests	1478

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory T. Ray, MD, PhD.

**Gender**
Male	464
Female	586

**Ethnicity**
Non-Hispanic White	800
Black	103
Hispanic	57
Asian	52
Other	38
Native American	0

**Age**
From 65 to 74	583
From 75 to 84	312
85 and over	86
Less than 65	69

Conditions of Medicare patients treated by Dr. Gregory T. Ray, MD, PhD in 2016

Hypertension	69
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	28
Depression	17
Chronic Kidney Disease	27
Asthma	18
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	9
Cancer	19

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory T. Ray, MD, PhD treated as a clinical pathologist in Arlington, VA during 2017 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Gregory T. Ray, MD, PhD for Medicare patients.

consultation	35
cytology	113
lab tests	1405

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory T. Ray, MD, PhD.

**Gender**
Male	460
Female	554

**Ethnicity**
Non-Hispanic White	731
Black	99
Hispanic	82
Asian	54
Other	48
Native American	0

**Age**
From 65 to 74	512
From 75 to 84	354
85 and over	93
Less than 65	55

Conditions of Medicare patients treated by Dr. Gregory T. Ray, MD, PhD in 2017

Hypertension	70
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	30
Depression	21
Chronic Kidney Disease	34
Asthma	12
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	11
Cancer	23

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory T. Ray, MD, PhD treated as a clinical pathologist in Arlington, VA during 2018 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Gregory T. Ray, MD, PhD for Medicare patients.

consultation	38
cytology	131
lab tests	876

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory T. Ray, MD, PhD.

**Gender**
Male	381
Female	377

**Ethnicity**
Non-Hispanic White	563
Black	61
Hispanic	52
Asian	40
Other	42
Native American	0

**Age**
From 65 to 74	424
From 75 to 84	244
85 and over	61
Less than 65	29

Conditions of Medicare patients treated by Dr. Gregory T. Ray, MD, PhD in 2018

Hypertension	65
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	34
Depression	23
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Dementia	8
Cancer	24

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory T. Ray, MD, PhD treated as a clinical pathologist in Arlington, VA during 2019 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Gregory T. Ray, MD, PhD for Medicare patients.

consultation	32
cytology	164
lab tests	1212

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory T. Ray, MD, PhD.

**Gender**
Male	501
Female	445

**Ethnicity**
Non-Hispanic White	667
Black	90
Hispanic	81
Asian	60
Other	0
Native American	0

**Age**
From 65 to 74	512
From 75 to 84	317
85 and over	76
Less than 65	41

Conditions of Medicare patients treated by Dr. Gregory T. Ray, MD, PhD in 2019

Hypertension	68
High Cholesterol	67
Stroke	7
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	9
Cancer	23

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory T. Ray, MD, PhD treated as a clinical pathologist in Arlington, VA during 2020 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Gregory T. Ray, MD, PhD for Medicare patients.

consultation	33
cytology	123
lab tests	1054

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory T. Ray, MD, PhD.

**Gender**
Male	381
Female	365

**Ethnicity**
Non-Hispanic White	567
Black	60
Hispanic	47
Asian	29
Other	43
Native American	0

**Age**
From 65 to 74	391
From 75 to 84	256
85 and over	72
Less than 65	27

Conditions of Medicare patients treated by Dr. Gregory T. Ray, MD, PhD in 2020

Hypertension	64
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	34
Depression	21
Chronic Kidney Disease	34
Asthma	8
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Dementia	8
Cancer	27

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory T. Ray, MD, PhD treated as a clinical pathologist in Arlington, VA during 2021 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Gregory T. Ray, MD, PhD for Medicare patients.

consultation	19
cytology	137
lab tests	1056

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory T. Ray, MD, PhD.

**Gender**
Male	389
Female	370

**Ethnicity**
Non-Hispanic White	536
Black	73
Hispanic	61
Asian	29
Other	60
Native American	0

**Age**
From 65 to 74	384
From 75 to 84	269
85 and over	73
Less than 65	33

Conditions of Medicare patients treated by Dr. Gregory T. Ray, MD, PhD in 2021

Hypertension	67
High Cholesterol	70
Stroke	5
Ischemic Heart Disease	35
Depression	21
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	25
Dementia	9
Cancer	24

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory T. Ray, MD, PhD treated as a clinical pathologist in Arlington, VA during 2022 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Gregory T. Ray, MD, PhD for Medicare patients.

consultation	25
cytology	102
lab tests	945

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory T. Ray, MD, PhD.

**Gender**
Male	323
Female	345

**Ethnicity**
Non-Hispanic White	497
Black	61
Hispanic	43
Asian	32
Other	35
Native American	0

**Age**
From 65 to 74	338
From 75 to 84	262
85 and over	53
Less than 65	15

Conditions of Medicare patients treated by Dr. Gregory T. Ray, MD, PhD in 2022

Hypertension	72
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	24
Depression	16
Chronic Kidney Disease	19
Asthma	12
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	22
Dementia	5
Cancer	28

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregory T. Ray, MD, PhD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory T. Ray, MD, PhD treated as a clinical pathologist in Arlington, VA were lab tests, cytology and consultation.

consultation	28
cytology	107
lab tests	1147

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory T. Ray, MD, PhD.

**Gender**
Male	416
Female	467

**Ethnicity**
Black / African American	80
Asian / Pacific Islander	45
Non-Hispanic White	649
Native American / Alaskan Native	0
Hispanic	66
Other	28

**Age**
75 to 84	290
85 and over	74
Less than 65	46
65 to 74	471

Average of Total of Conditions of Medicare patients treated by Dr. Gregory T. Ray, MD, PhD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gregory T. Ray, MD, PhD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	61
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	27
Depression	17
Chronic Kidney Disease	24
Asthma	10
Osteoporosis	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	23
Atrial Fibrillation	11
Dementia	7
Cancer	20

Education & Training

Dr. Gregory T. Ray, MD, PhD graduated from Duke University School of Medicine in 2003. He completed residency at Duke University Medical Center. He has a state license in Virginia.

Medical School: Duke University School of Medicine (2003)

Residency: Duke University Medical Center (2007)

Licensed In: Virginia

Affiliations & Hospitals

Dr. Gregory T. Ray, MD, PhD is associated with these hospitals and organizations:

Virginia Hospital Center

CARY POROPATICH MD LLC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Genentech USA, Inc.	$21 Rituxan $21
Janssen Pharmaceuticals, Inc	$17 RISPERDAL CONSTA $17

**Types of Payments**
Food and Beverage	$38

Biography

Dr. Gregory Ray's specialties are clinical pathology and molecular genetic pathology. He practices in Arlington, VA. Dr. Ray is a graduate of Duke University School of Medicine. His medical residency was performed at Duke University Medical Center. He is affiliated with Virginia Hospital Center.