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Dr. Maria Chou, MD

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Specializes in: Adult Rheumatology

New York Medical College (1999)

1860 Town Center Drive #130
Reston, VA 20190

(703) 709-9174

Dr. Maria Chou, MD is a rheumatologist in Reston, VA specializing in adult rheumatology. She graduated from New York Medical College in 1999 and has 26 years of experience. Dr. Maria Chou, MD is affiliated with ARTHRITIS AND PAIN ASSOCIATES OF PRINCE GEORGES COUNTY PC.

Office Locations

1860 Town Center Drive #130
Reston, VA 20190

(703) 709-9174

(703) 709-9183

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Noteworthy Medicare Patient Procedures Performed by Dr. Maria Chou, MD in 2023

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

Top 25%

By Volume:

major joint aspiration

major joint injection

In 2013, Dr. Maria Chou, MD performed more major joint aspiration, and major joint injection procedures for Medicare patients than 75% of providers in related specialties within Virginia.

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Maria Chou, MD treated as a rheumatologist in Reston, VA during 2013 were lab tests, aspiration, injections and thyroid function tests.

Volume of procedures performed by Dr. Maria Chou, MD for Medicare patients.

aspiration	207
doctor visit	741
injections	207
lab tests	2282
thyroid function tests	20

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria Chou, MD.

**Gender**
Male	63
Female	287

**Ethnicity**
Non-Hispanic White	103
Black	229
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	83
85 and over	21
Less than 65	78

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2013

The most common conditions of Medicare patients that Dr. Maria Chou, MD treated during 2013 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	34
Depression	14
Chronic Kidney Disease	22
Asthma	13
Osteoperosis	14
Atrial Fibrilation	4
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	40
Dementia	6
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Maria Chou, MD treated as a rheumatologist in Reston, VA during 2014 were lab tests, aspiration, injections and thyroid function tests.

Volume of procedures performed by Dr. Maria Chou, MD for Medicare patients.

aspiration	199
doctor visit	908
injections	199
lab tests	2831
preventive care	19
thyroid function tests	25
vaccines	19

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria Chou, MD.

**Gender**
Male	103
Female	291

**Ethnicity**
Non-Hispanic White	125
Black	244
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	208
From 75 to 84	97
85 and over	23
Less than 65	66

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2014

The most common conditions of Medicare patients that Dr. Maria Chou, MD treated during 2014 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	29
Depression	13
Chronic Kidney Disease	25
Asthma	10
Osteoperosis	12
Atrial Fibrilation	5
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	45
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Maria Chou, MD treated as a rheumatologist in Reston, VA during 2015 were lab tests, aspiration, injections and preventive care.

Volume of procedures performed by Dr. Maria Chou, MD for Medicare patients.

aspiration	291
diabetes management	16
doctor visit	1093
injections	291
lab tests	2912
musculoskeletal imaging	21
preventive care	71
thyroid function tests	27
vaccines	34
X-rays	21

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria Chou, MD.

**Gender**
Male	228
Female	786

**Ethnicity**
Non-Hispanic White	296
Black	650
Hispanic	0
Asian	32
Other	0
Native American	0

**Age**
From 65 to 74	554
From 75 to 84	256
85 and over	60
Less than 65	144

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2015

The most common conditions of Medicare patients that Dr. Maria Chou, MD treated during 2015 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	28
Depression	14
Chronic Kidney Disease	25
Asthma	12
Osteoperosis	15
Atrial Fibrilation	6
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	46
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Maria Chou, MD treated as a rheumatologist in Reston, VA during 2016 were lab tests, aspiration, injections and preventive care.

Volume of procedures performed by Dr. Maria Chou, MD for Medicare patients.

aspiration	271
doctor visit	1267
injections	271
lab tests	2467
musculoskeletal imaging	16
preventive care	38
vaccines	38
X-rays	16

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria Chou, MD.

**Gender**
Male	113
Female	426

**Ethnicity**
Non-Hispanic White	127
Black	377
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	307
From 75 to 84	133
85 and over	29
Less than 65	70

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2016

The most common conditions of Medicare patients that Dr. Maria Chou, MD treated during 2016 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	26
Depression	12
Chronic Kidney Disease	33
Asthma	16
Osteoperosis	15
Atrial Fibrilation	5
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	44
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Maria Chou, MD treated as a rheumatologist in Reston, VA during 2017 were lab tests, aspiration, injections and preventive care.

Volume of procedures performed by Dr. Maria Chou, MD for Medicare patients.

aspiration	287
diabetes management	20
doctor visit	1290
injections	287
lab tests	2100
musculoskeletal imaging	19
preventive care	56
thyroid function tests	28
vaccines	36
X-rays	19

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria Chou, MD.

**Gender**
Male	115
Female	447

**Ethnicity**
Non-Hispanic White	175
Black	344
Hispanic	19
Asian	13
Other	11
Native American	0

**Age**
From 65 to 74	292
From 75 to 84	162
85 and over	44
Less than 65	64

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2017

The most common conditions of Medicare patients that Dr. Maria Chou, MD treated during 2017 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	27
Depression	15
Chronic Kidney Disease	37
Asthma	10
Osteoperosis	19
Atrial Fibrilation	7
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	42
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Maria Chou, MD treated as a rheumatologist in Reston, VA during 2018 were lab tests, aspiration, injections and preventive care.

Volume of procedures performed by Dr. Maria Chou, MD for Medicare patients.

aspiration	351
diabetes management	18
doctor visit	1336
injections	351
lab tests	2046
musculoskeletal imaging	39
preventive care	60
thyroid function tests	22
vaccines	42
X-rays	39

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria Chou, MD.

**Gender**
Male	126
Female	448

**Ethnicity**
Non-Hispanic White	171
Black	354
Hispanic	19
Asian	16
Other	14
Native American	0

**Age**
From 65 to 74	294
From 75 to 84	173
85 and over	41
Less than 65	66

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2018

The most common conditions of Medicare patients that Dr. Maria Chou, MD treated during 2018 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	30
Depression	18
Chronic Kidney Disease	41
Asthma	10
Osteoperosis	20
Atrial Fibrilation	7
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	44
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Maria Chou, MD treated as a rheumatologist in Reston, VA during 2019 were lab tests, aspiration, injections and X-rays.

Volume of procedures performed by Dr. Maria Chou, MD for Medicare patients.

aspiration	341
doctor visit	1440
injections	341
lab tests	1749
musculoskeletal imaging	64
preventive care	48
thyroid function tests	17
vaccines	48
X-rays	64

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria Chou, MD.

**Gender**
Male	126
Female	450

**Ethnicity**
Non-Hispanic White	172
Black	346
Hispanic	21
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	289
From 75 to 84	193
85 and over	40
Less than 65	54

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2019

The most common conditions of Medicare patients that Dr. Maria Chou, MD treated during 2019 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	28
Depression	15
Chronic Kidney Disease	37
Asthma	11
Osteoperosis	22
Atrial Fibrilation	8
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	39
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Maria Chou, MD treated as a rheumatologist in Reston, VA during 2020 were lab tests, aspiration, injections and X-rays.

Volume of procedures performed by Dr. Maria Chou, MD for Medicare patients.

aspiration	289
diabetes management	24
doctor visit	1284
injections	289
lab tests	2508
musculoskeletal imaging	73
preventive care	38
thyroid function tests	23
X-rays	73

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria Chou, MD.

**Gender**
Male	132
Female	449

**Ethnicity**
Non-Hispanic White	167
Black	355
Hispanic	22
Asian	19
Other	18
Native American	0

**Age**
From 65 to 74	298
From 75 to 84	176
85 and over	48
Less than 65	59

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2020

The most common conditions of Medicare patients that Dr. Maria Chou, MD treated during 2020 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	74
High Cholesterol	59
Stroke	7
Ischemic Heart Disease	24
Depression	15
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	20
Atrial Fibrilation	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	39
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Maria Chou, MD treated as a rheumatologist in Reston, VA during 2021 were lab tests, injections, aspiration and X-rays.

Volume of procedures performed by Dr. Maria Chou, MD for Medicare patients.

aspiration	281
diabetes management	39
doctor visit	1225
injections	294
lab tests	2604
musculoskeletal imaging	40
pain management	13
preventive care	39
thyroid function tests	27
X-rays	40

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria Chou, MD.

**Gender**
Male	115
Female	433

**Ethnicity**
Non-Hispanic White	139
Black	351
Hispanic	24
Asian	23
Other	11
Native American	0

**Age**
From 65 to 74	277
From 75 to 84	171
85 and over	46
Less than 65	54

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2021

The most common conditions of Medicare patients that Dr. Maria Chou, MD treated during 2021 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	75
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	26
Depression	17
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	19
Atrial Fibrilation	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	7
Diabetes	37
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Maria Chou, MD treated as a rheumatologist in Reston, VA during 2022 were lab tests, aspiration, injections and X-rays.

Volume of procedures performed by Dr. Maria Chou, MD for Medicare patients.

aspiration	198
diabetes management	23
doctor visit	1098
injections	198
lab tests	1664
musculoskeletal imaging	66
preventive care	23
thyroid function tests	20
X-rays	66

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria Chou, MD.

**Gender**
Male	120
Female	474

**Ethnicity**
Non-Hispanic White	167
Black	363
Hispanic	26
Asian	26
Other	12
Native American	0

**Age**
From 65 to 74	290
From 75 to 84	195
85 and over	58
Less than 65	51

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2022

The most common conditions of Medicare patients that Dr. Maria Chou, MD treated during 2022 were high cholesterol, hypertension, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	19
Depression	15
Chronic Kidney Disease	29
Asthma	15
Osteoperosis	26
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	39
Dementia	4
Cancer	12

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Maria Chou, MD treated as a rheumatologist in Reston, VA during 2023 were aspiration and injections.

Volume of procedures performed by Dr. Maria Chou, MD for Medicare patients.

aspiration	179
doctor visit	1052
injections	179

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria Chou, MD.

**Gender**
Male	113
Female	457

**Ethnicity**
Non-Hispanic White	152
Black	351
Hispanic	33
Asian	22
Other	12
Native American	0

**Age**
From 65 to 74	258
From 75 to 84	217
85 and over	47
Less than 65	48

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2023

The most common conditions of Medicare patients that Dr. Maria Chou, MD treated during 2023 were high cholesterol, hypertension, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	19
Depression	15
Chronic Kidney Disease	30
Asthma	15
Osteoperosis	27
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	40
Dementia	4
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Maria Chou, MD for Medicare patients.

The highest averages for the top procedures that Dr. Maria Chou, MD treated as a rheumatologist in Reston, VA were lab tests, injections, aspiration and preventive care.

aspiration	263
diabetes management	23
doctor visit	1157
injections	264
lab tests	2316
musculoskeletal imaging	42
pain management	13
preventive care	43
thyroid function tests	23
vaccines	36
X-rays	42

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Maria Chou, MD.

**Gender**
Male	123
Female	449

**Ethnicity**
Black / African American	360
Asian / Pacific Islander	15
Non-Hispanic White	163
Native American / Alaskan Native	0
Hispanic	16
Other	7

**Age**
75 to 84	168
85 and over	41
Less than 65	68
65 to 74	294

Average of Total of Conditions of Medicare patients treated by Dr. Maria Chou, MD From 2013 - 2023

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

Hypertension	74
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	26
Depression	14
Chronic Kidney Disease	32
Asthma	11
Osteoporosis	19
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	41
Atrial Fibrillation	6
Cancer	9
Dementia	7

Education & Training

Dr. Maria Chou, MD graduated from New York Medical College in 1999. She has a state license in Virginia.

Medical School: New York Medical College (1999)

Licensed In: Virginia

Affiliations & Hospitals

Dr. Maria Chou, MD is associated with these hospitals and organizations:

ARTHRITIS AND PAIN ASSOCIATES OF PRINCE GEORGES COUNTY PC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Pfizer Inc.	$1,995 XELJANZ $1,536	LYRICA $187	CELEBREX $101	INFLECTRA $82	PREVNAR 20 $26	Other $62
Amgen Inc.	$1,934 Prolia $1,066	Enbrel $729	Otezla $56	KRYSTEXXA $36	AVSOLA $24	Other $22
AbbVie, Inc.	$1,858 Humira $1,717	Rinvoq $81	$60
E.R. Squibb & Sons, L.L.C.	$975 ORENCIA $968	$7
Janssen Biotech, Inc.	$932 Tremfya $396	STELARA $363	REMICADE $85	SIMPONI $53	SIMPONI ARIA $35
Other	$7,664 ACTHAR $881	COSENTYX $516	KRYSTEXXA $387	BENLYSTA $386	Rinvoq $372	Other $5,122

**Types of Payments**
Food and Beverage	$15,079
Education	$260
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$17

Biography

Dr. Maria Chou is a physician who specializes in adult rheumatology. Dr. Chou is a graduate of New York Medical College.

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Dr. Maria Chou, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Maria Chou, MD in 2023

By Volume:

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Maria Chou, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Average Medicare Patient Data From 2013 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Maria Chou, MD From 2013 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Reston, VA