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Dr. Donald Eugene Thomas JR., MD

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Specializes in: Adult Rheumatology

7300 Hanover Drive Suite 201
Greenbelt, MD 20770

(301) 345-5600

Dr. Donald Eugene Thomas JR., MD is a rheumatologist in Greenbelt, MD specializing in adult rheumatology.

Office Locations

7300 Hanover Drive Suite 201
Greenbelt, MD 20770

(301) 345-5600

(301) 345-3105

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In The News

“Donald Thomas, MD, a rheumatologist based in Greenbelt, Maryland, who moderated an ACR press conference at which the draft update was discussed, skipped the diplomacy in giving his view of the...”—"ACR: Treat-to-Target Endorsed for Gout", MedPage Today, November 2019

Noteworthy Medicare Patient Procedures Performed by Dr. Donald Eugene Thomas JR., MD in 2023

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

Top 5%

By Volume:

intravenous infusion

suprascapular nerve block

By Affordability:

peripheral nerve block

In 2023, among providers in related specialties within Maryland, Dr. Donald Eugene Thomas JR., MD performed more intravenous (IV) infusion, and suprascapular nerve block procedures for Medicare patients than 95% of them and he also had a list price for peripheral nerve block 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:

bone density test

central DEXA

dual-energy X-ray absorptiometry

In 2023, Dr. Donald Eugene Thomas JR., MD had a list price for bone density test, central DEXA, and dual-energy X-ray absorptiometry (DEXA) that was lower than the list prices billed to Medicare by 90% 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 25%

By Volume:

injections

major joint aspiration

major joint injection

By Affordability:

X-rays

In 2012, among providers in related specialties within Maryland, Dr. Donald Eugene Thomas JR., MD performed more injections, major joint aspiration, and major joint injection procedures for Medicare patients than 75% of them and he also had a list price for X-rays 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. Donald Eugene Thomas JR., MD treated as a rheumatologist in Greenbelt, MD during 2012 were lab tests, injections, aspiration and thyroid function tests.

Volume of procedures performed by Dr. Donald Eugene Thomas JR., MD for Medicare patients.

aspiration	551
blood draw	22
diabetes management	11
doctor visit	1021
injections	601
lab tests	5303
musculoskeletal imaging	64
nerve block	50
pain management	50
preventive care	88
skin testing	14
spinal procedures	50
thyroid function tests	168
tuberculosis (TB) testing	14
vaccines	63
vertebral fracture assessment (VFA)	13
X-rays	64

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Donald Eugene Thomas JR., MD treated as a rheumatologist in Greenbelt, MD during 2013 were lab tests, injections, aspiration and preventive care.

Volume of procedures performed by Dr. Donald Eugene Thomas JR., MD for Medicare patients.

aspiration	467
biological response modifier (BRM) therapy	48
chemotherapy	48
diabetes management	18
doctor visit	993
injections	503
lab tests	4071
minimally invasive procedures	48
musculoskeletal imaging	19
nerve block	51
pain management	36
preventive care	130
spinal procedures	36
thyroid function tests	113
vaccines	94
X-rays	19

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Eugene Thomas JR., MD.

**Gender**
Male	51
Female	282

**Ethnicity**
Non-Hispanic White	120
Black	198
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	158
From 75 to 84	98
85 and over	21
Less than 65	56

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2013

Hypertension	75
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	31
Depression	14
Chronic Kidney Disease	33
Asthma	12
Osteoperosis	29
Atrial Fibrilation	5
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	38
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Donald Eugene Thomas JR., MD treated as a rheumatologist in Greenbelt, MD during 2014 were lab tests, injections, aspiration and thyroid function tests.

Volume of procedures performed by Dr. Donald Eugene Thomas JR., MD for Medicare patients.

aspiration	418
biological response modifier (BRM) therapy	76
chemotherapy	76
diabetes management	31
doctor visit	1106
injections	456
lab tests	4586
minimally invasive procedures	101
nerve block	65
pain management	38
preventive care	233
spinal procedures	38
thyroid function tests	258
tuberculosis (TB) testing	64
vaccines	158

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Eugene Thomas JR., MD.

**Gender**
Male	64
Female	354

**Ethnicity**
Non-Hispanic White	138
Black	261
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	106
85 and over	30
Less than 65	70

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2014

Hypertension	75
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	33
Depression	15
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	26
Atrial Fibrilation	5
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	43
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Donald Eugene Thomas JR., MD treated as a rheumatologist in Greenbelt, MD during 2015 were lab tests, injections, aspiration and preventive care.

Volume of procedures performed by Dr. Donald Eugene Thomas JR., MD for Medicare patients.

aspiration	524
biological response modifier (BRM) therapy	76
chemotherapy	76
diabetes management	43
doctor visit	1179
injections	555
lab tests	6146
minimally invasive procedures	104
musculoskeletal imaging	51
nerve block	31
preventive care	293
thyroid function tests	265
tuberculosis (TB) testing	37
vaccines	216
X-rays	51

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Eugene Thomas JR., MD.

**Gender**
Male	146
Female	664

**Ethnicity**
Non-Hispanic White	292
Black	472
Hispanic	0
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	370
From 75 to 84	242
85 and over	86
Less than 65	112

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2015

Hypertension	75
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	31
Depression	17
Chronic Kidney Disease	46
Asthma	14
Osteoperosis	27
Atrial Fibrilation	5
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	42
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Donald Eugene Thomas JR., MD treated as a rheumatologist in Greenbelt, MD during 2016 were lab tests, preventive care, injections and aspiration.

Volume of procedures performed by Dr. Donald Eugene Thomas JR., MD for Medicare patients.

aspiration	565
biological response modifier (BRM) therapy	217
chemotherapy	217
diabetes management	359
doctor visit	1318
injections	604
lab tests	7097
minimally invasive procedures	253
musculoskeletal imaging	65
nerve block	39
preventive care	904
thyroid function tests	364
tuberculosis (TB) testing	55
vaccines	138
X-rays	65

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Eugene Thomas JR., MD.

**Gender**
Male	71
Female	332

**Ethnicity**
Non-Hispanic White	150
Black	225
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	118
85 and over	35
Less than 65	44

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2016

Hypertension	75
High Cholesterol	60
Stroke	3
Ischemic Heart Disease	28
Depression	13
Chronic Kidney Disease	49
Asthma	14
Osteoperosis	29
Atrial Fibrilation	5
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	38
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Donald Eugene Thomas JR., MD treated as a rheumatologist in Greenbelt, MD during 2017 were lab tests, preventive care, aspiration and injections.

Volume of procedures performed by Dr. Donald Eugene Thomas JR., MD for Medicare patients.

aspiration	436
biological response modifier (BRM) therapy	265
chemotherapy	265
diabetes management	221
doctor visit	1147
injections	436
lab tests	5992
minimally invasive procedures	318
musculoskeletal imaging	50
preventive care	516
thyroid function tests	286
vaccines	89
X-rays	50

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Eugene Thomas JR., MD.

**Gender**
Male	73
Female	354

**Ethnicity**
Non-Hispanic White	167
Black	235
Hispanic	0
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	127
85 and over	43
Less than 65	47

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2017

Hypertension	75
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	30
Depression	14
Chronic Kidney Disease	42
Asthma	12
Osteoperosis	31
Atrial Fibrilation	5
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	33
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Donald Eugene Thomas JR., MD treated as a rheumatologist in Greenbelt, MD during 2018 were lab tests, preventive care, aspiration and injections.

Volume of procedures performed by Dr. Donald Eugene Thomas JR., MD for Medicare patients.

aspiration	447
biological response modifier (BRM) therapy	324
chemotherapy	324
diabetes management	246
doctor visit	1126
injections	447
lab tests	6036
minimally invasive procedures	395
musculoskeletal imaging	87
nerve block	19
preventive care	586
thyroid function tests	302
vaccines	115
X-rays	87

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Eugene Thomas JR., MD.

**Gender**
Male	67
Female	365

**Ethnicity**
Non-Hispanic White	156
Black	248
Hispanic	0
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	207
From 75 to 84	129
85 and over	44
Less than 65	52

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2018

Hypertension	75
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	28
Depression	17
Chronic Kidney Disease	45
Asthma	13
Osteoperosis	33
Atrial Fibrilation	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	34
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Donald Eugene Thomas JR., MD treated as a rheumatologist in Greenbelt, MD during 2019 were lab tests, injections, aspiration and minimally invasive procedures.

Volume of procedures performed by Dr. Donald Eugene Thomas JR., MD for Medicare patients.

aspiration	555
biological response modifier (BRM) therapy	409
chemotherapy	409
doctor visit	1351
injections	612
lab tests	6050
minimally invasive procedures	505
musculoskeletal imaging	87
nerve block	75
preventive care	331
thyroid function tests	293
vaccines	145
X-rays	87

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Eugene Thomas JR., MD.

**Gender**
Male	91
Female	413

**Ethnicity**
Non-Hispanic White	170
Black	304
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	236
From 75 to 84	157
85 and over	50
Less than 65	61

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2019

Hypertension	75
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	30
Depression	17
Chronic Kidney Disease	41
Asthma	12
Osteoperosis	37
Atrial Fibrilation	7
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Donald Eugene Thomas JR., MD treated as a rheumatologist in Greenbelt, MD during 2020 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Donald Eugene Thomas JR., MD for Medicare patients.

aspiration	332
biological response modifier (BRM) therapy	449
chemotherapy	449
diabetes management	64
doctor visit	1068
injections	373
lab tests	5375
minimally invasive procedures	591
musculoskeletal imaging	101
nerve block	60
preventive care	186
thyroid function tests	158
vaccines	49
X-rays	101

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Eugene Thomas JR., MD.

**Gender**
Male	66
Female	399

**Ethnicity**
Non-Hispanic White	160
Black	261
Hispanic	17
Asian	15
Other	12
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	145
85 and over	44
Less than 65	47

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2020

Hypertension	74
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	28
Depression	18
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	40
Atrial Fibrilation	7
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	35
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Donald Eugene Thomas JR., MD treated as a rheumatologist in Greenbelt, MD during 2021 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Donald Eugene Thomas JR., MD for Medicare patients.

aspiration	341
biological response modifier (BRM) therapy	402
chemotherapy	402
diabetes management	94
doctor visit	1068
injections	398
lab tests	6215
minimally invasive procedures	688
musculoskeletal imaging	90
nerve block	78
preventive care	198
thyroid function tests	188
vaccines	14
vertebral fracture assessment (VFA)	26
X-rays	90

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Eugene Thomas JR., MD.

**Gender**
Male	74
Female	409

**Ethnicity**
Non-Hispanic White	150
Black	285
Hispanic	19
Asian	18
Other	11
Native American	0

**Age**
From 65 to 74	232
From 75 to 84	165
85 and over	37
Less than 65	49

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2021

Hypertension	75
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	27
Depression	16
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	41
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	34
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Donald Eugene Thomas JR., MD treated as a rheumatologist in Greenbelt, MD during 2022 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Donald Eugene Thomas JR., MD for Medicare patients.

aspiration	201
biological response modifier (BRM) therapy	365
chemotherapy	365
diabetes management	84
doctor visit	755
injections	252
lab tests	4865
minimally invasive procedures	791
musculoskeletal imaging	81
nerve block	38
pain management	13
preventive care	186
thyroid function tests	129
X-rays	81

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Eugene Thomas JR., MD.

**Gender**
Male	68
Female	399

**Ethnicity**
Non-Hispanic White	156
Black	269
Hispanic	17
Asian	14
Other	11
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	169
85 and over	33
Less than 65	43

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2022

Hypertension	75
High Cholesterol	72
Stroke	10
Ischemic Heart Disease	19
Depression	12
Chronic Kidney Disease	30
Asthma	14
Osteoperosis	51
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Donald Eugene Thomas JR., MD for Medicare patients.

The highest averages for the top procedures that Dr. Donald Eugene Thomas JR., MD treated as a rheumatologist in Greenbelt, MD were lab tests, injections, aspiration and minimally invasive procedures.

aspiration	439
biological response modifier (BRM) therapy	263
blood draw	22
chemotherapy	263
diabetes management	117
doctor visit	1102
injections	476
lab tests	5612
minimally invasive procedures	379
musculoskeletal imaging	69
nerve block	50
pain management	34
preventive care	331
skin testing	14
spinal procedures	41
thyroid function tests	229
tuberculosis (TB) testing	42
vaccines	108
vertebral fracture assessment (VFA)	19
X-rays	69

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Donald Eugene Thomas JR., MD.

**Gender**
Male	70
Female	361

**Ethnicity**
Black / African American	250
Asian / Pacific Islander	10
Non-Hispanic White	150
Native American / Alaskan Native	0
Hispanic	4
Other	3

**Age**
75 to 84	132
85 and over	38
Less than 65	52
65 to 74	207

Average of Total of Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Donald Eugene Thomas JR., MD treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	68
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	25
Depression	13
Chronic Kidney Disease	37
Asthma	11
Osteoporosis	31
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	33
Atrial Fibrillation	5
Dementia	7
Cancer	8

Education & Training

He has a state license in Maryland.

Licensed In: Maryland

Ratings & Reviews

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General Payments

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

**Payments by Company**
GlaxoSmithKline, LLC.	$222,505 BENLYSTA $204,160	$18,345
AstraZeneca Pharmaceuticals LP	$70,092 SAPHNELO $58,499	MOVANTIK $57	$11,536
Aurinia Pharma U.S., Inc.	$11,462 LUPKYNIS $9,962	$1,500
Pfizer Inc.	$1,155 XELJANZ $833	LYRICA $139	INFLECTRA $94	CELEBREX $42	COMIRNATY $14	Other $33
Janssen Biotech, Inc.	$1,012 SIMPONI ARIA $829	STELARA $127	SIMPONI $30	Tremfya $24
Other	$4,928 ACTHAR $1,217	Prolia $547	Humira $527	Enbrel $289	ORENCIA $249	Other $2,100

**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	$204,092
Consulting Fee	$60,040
Travel and Lodging	$36,413
Food and Beverage	$10,504
Education	$103

Biography

Dr. Donald Thomas' specialty is adult rheumatology. He graduated from Baylor College of Medicine.

Select Year:

Dr. Donald Eugene Thomas JR., MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Donald Eugene Thomas JR., MD in 2023

By Volume:

By Affordability:

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. Donald Eugene Thomas JR., MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Eugene Thomas JR., 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. Donald Eugene Thomas JR., MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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