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Dr. Joseph Raymond O'Brien, MD, MPH

(780 Ratings)

Specializes in: Spine Surgery and Orthopedics/Orthopedic Surgery

George Washington University School of Medicine and Health Sciences (2001)

2112 F Street Nw Suite 305
Washington, DC 20037

(202) 251-7232

Dr. Joseph Raymond O'Brien, MD, MPH is a spine surgeon in Bethesda, MD specializing in spine surgery and orthopedics/orthopedic surgery. He graduated from George Washington University School of Medicine and Health Sciences in 2001 and has 25 years of experience. Dr. Joseph Raymond O'Brien, MD, MPH is affiliated with Virginia Hospital Center, BETHESDA CHEVY CHASE ORTHOPAEDIC ASSOCIATES, LLC and OrthoBethesda.

Office Locations

Virginia Hospital Center

10215 Fernwood Road Suite 506
Bethesda, MD 20817

(301) 530-1010

(301) 530-3476

open_in_new

Virginia Hospital Center

1635 North George Mason Drive Suite 180
Arlington, VA 22205

(301) 897-8597

open_in_new

2112 F Street Nw Suite 305
Washington, DC 20037

(202) 251-7232

(202) 478-2577

open_in_new

In The News

“Joseph O'Brien, MD, a leading orthopedic spine surgeon specializing in minimally invasive spine surgery, and founder of the Washington Spine and Scoliosis Institute commented, "I am excited about...”—"Providence Medical Technology Announces FDA Clearance of CAVUX(r) FFS-LX Lumbar Facet Fixation System for 1- and 2-Level Lumbar Spinal Fusion", WIVB, January 2024

“In his Chester County Intermediate Unit (CCIU) report, school board member Howard Robinson noted that Dr. Joseph O'Brien, the executive director of the CCIU, is retiring after 12 years in the that...”—"Oxford School Board approves opt-out resolution", Chester County Press, January 2019

Noteworthy Medicare Patient Procedures Performed by Dr. Joseph Raymond O'Brien, MD, MPH in 2023

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

Top 5%

By Volume:

anterior lumbar discectomy

lateral lumbar interbody fusion

lumbar interbody fusion

By Affordability:

anterior discectomy

hardware removal

implant removal

minimally invasive spinal fusion

minimally invasive spine surgery

posterior instrumentation removal

spinal fusion

spinal instrumentation removal

In 2023, among providers in related specialties within Maryland, Dr. Joseph Raymond O'Brien, MD, MPH performed more anterior lumbar discectomy, lateral lumbar interbody fusion (LLIF), lumbar interbody fusion, spinal fusion, spinal procedures, spine X-ray, and X-rays procedures for Medicare patients than 95% of them and he also had a list price for anterior discectomy, hardware removal, implant removal, minimally invasive spinal fusion, minimally invasive spine surgery, posterior instrumentation removal, spinal fusion, and spinal instrumentation removal 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 25%

By Volume:

decompressive lumbar laminectomy

laminectomy

laminectomy with foraminotomy and facetectomy

posterior instrumentation removal

spinal decompression surgery

By Affordability:

anterior spinal fusion

interbody fusion

lumbar fusion

lumbar interbody fusion

In 2012, among providers in related specialties within Maryland, Dr. Joseph Raymond O'Brien, MD, MPH performed more decompressive lumbar laminectomy, laminectomy, laminectomy with foraminotomy and facetectomy, posterior instrumentation removal, and spinal decompression surgery procedures for Medicare patients than 75% of them and he also had a list price for anterior spinal fusion, interbody fusion, lumbar fusion, and lumbar interbody fusion 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. Joseph Raymond O'Brien, MD, MPH treated as a spine surgeon in Bethesda, MD during 2012 were spinal procedures, minimally invasive procedures, arthrodesis (bone fusion surgery) and nerve procedures.

Volume of procedures performed by Dr. Joseph Raymond O'Brien, MD, MPH for Medicare patients.

arthrodesis (bone fusion surgery)	29
decompression surgery	14
doctor visit	360
minimally invasive procedures	29
nerve procedures	14
spinal procedures	71

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Joseph Raymond O'Brien, MD, MPH treated as a spine surgeon in Bethesda, MD during 2013 were spinal procedures, arthrodesis (bone fusion surgery), minimally invasive procedures and nerve procedures.

Volume of procedures performed by Dr. Joseph Raymond O'Brien, MD, MPH for Medicare patients.

arthrodesis (bone fusion surgery)	55
decompression surgery	31
doctor visit	411
minimally invasive procedures	41
nerve procedures	31
spinal procedures	131

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH.

**Gender**
Male	120
Female	177

**Ethnicity**
Non-Hispanic White	150
Black	126
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	68
85 and over	11
Less than 65	87

Conditions of Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH in 2013

Hypertension	69
High Cholesterol	51
Stroke	4
Ischemic Heart Disease	23
Depression	27
Chronic Kidney Disease	18
Asthma	14
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	32
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Joseph Raymond O'Brien, MD, MPH treated as a spine surgeon in Bethesda, MD during 2014 were spinal procedures, arthrodesis (bone fusion surgery), minimally invasive procedures and nerve procedures.

Volume of procedures performed by Dr. Joseph Raymond O'Brien, MD, MPH for Medicare patients.

arthrodesis (bone fusion surgery)	49
decompression surgery	19
doctor visit	440
implant removal	15
minimally invasive procedures	33
nerve procedures	19
spinal procedures	123

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH.

**Gender**
Male	135
Female	200

**Ethnicity**
Non-Hispanic White	179
Black	132
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	65
85 and over	16
Less than 65	92

Conditions of Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH in 2014

Hypertension	68
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	24
Depression	27
Chronic Kidney Disease	18
Asthma	13
Osteoperosis	15
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Joseph Raymond O'Brien, MD, MPH treated as a spine surgeon in Bethesda, MD during 2015 were spinal procedures, arthrodesis (bone fusion surgery), nerve procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Joseph Raymond O'Brien, MD, MPH for Medicare patients.

arthrodesis (bone fusion surgery)	50
decompression surgery	37
doctor visit	481
implant removal	18
minimally invasive procedures	37
neck surgery	13
nerve procedures	37
spinal procedures	160

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH.

**Gender**
Male	294
Female	386

**Ethnicity**
Non-Hispanic White	384
Black	244
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	304
From 75 to 84	178
85 and over	26
Less than 65	172

Conditions of Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH in 2015

Hypertension	63
High Cholesterol	50
Stroke	3
Ischemic Heart Disease	25
Depression	25
Chronic Kidney Disease	15
Asthma	17
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	28
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Joseph Raymond O'Brien, MD, MPH treated as a spine surgeon in Bethesda, MD during 2016 were spinal procedures, X-rays, minimally invasive procedures and arthrodesis (bone fusion surgery).

Volume of procedures performed by Dr. Joseph Raymond O'Brien, MD, MPH for Medicare patients.

arthrodesis (bone fusion surgery)	30
decompression surgery	20
doctor visit	434
implant removal	16
minimally invasive procedures	30
nerve procedures	20
spinal procedures	257
X-rays	134

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH.

**Gender**
Male	119
Female	175

**Ethnicity**
Non-Hispanic White	207
Black	69
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	83
85 and over	21
Less than 65	52

Conditions of Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH in 2016

Hypertension	64
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	27
Depression	26
Chronic Kidney Disease	21
Asthma	18
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	33
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Joseph Raymond O'Brien, MD, MPH treated as a spine surgeon in Bethesda, MD during 2017 were spinal procedures, X-rays, arthrodesis (bone fusion surgery) and nerve procedures.

Volume of procedures performed by Dr. Joseph Raymond O'Brien, MD, MPH for Medicare patients.

arthrodesis (bone fusion surgery)	71
aspiration	14
decompression surgery	67
doctor visit	720
injections	14
minimally invasive procedures	59
MRI (magnetic resonance imaging)	18
neck surgery	12
nerve procedures	67
spinal procedures	877
X-rays	641

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH.

**Gender**
Male	177
Female	260

**Ethnicity**
Non-Hispanic White	365
Black	25
Hispanic	19
Asian	14
Other	14
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	150
85 and over	46
Less than 65	31

Conditions of Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH in 2017

Hypertension	68
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	30
Depression	29
Chronic Kidney Disease	20
Asthma	10
Osteoperosis	17
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Joseph Raymond O'Brien, MD, MPH treated as a spine surgeon in Bethesda, MD during 2018 were spinal procedures, X-rays, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Joseph Raymond O'Brien, MD, MPH for Medicare patients.

arthrodesis (bone fusion surgery)	103
aspiration	24
bone surgery	18
decompression surgery	122
doctor visit	1077
injections	24
minimally invasive procedures	80
neck surgery	23
nerve procedures	122
spinal procedures	1264
X-rays	874

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH.

**Gender**
Male	260
Female	371

**Ethnicity**
Non-Hispanic White	516
Black	47
Hispanic	16
Asian	16
Other	36
Native American	0

**Age**
From 65 to 74	283
From 75 to 84	230
85 and over	72
Less than 65	46

Conditions of Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH in 2018

Hypertension	67
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	35
Depression	30
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	17
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	25
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Joseph Raymond O'Brien, MD, MPH treated as a spine surgeon in Bethesda, MD during 2019 were spinal procedures, X-rays, arthrodesis (bone fusion surgery) and minimally invasive procedures.

Volume of procedures performed by Dr. Joseph Raymond O'Brien, MD, MPH for Medicare patients.

arthrodesis (bone fusion surgery)	111
bone surgery	15
decompression surgery	78
doctor visit	1006
minimally invasive procedures	92
neck surgery	19
nerve procedures	78
spinal procedures	1393
X-rays	1048

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH.

**Gender**
Male	246
Female	355

**Ethnicity**
Non-Hispanic White	497
Black	38
Hispanic	0
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	287
From 75 to 84	227
85 and over	48
Less than 65	39

Conditions of Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH in 2019

Hypertension	64
High Cholesterol	66
Stroke	4
Ischemic Heart Disease	33
Depression	32
Chronic Kidney Disease	25
Asthma	12
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Joseph Raymond O'Brien, MD, MPH treated as a spine surgeon in Bethesda, MD during 2020 were spinal procedures, X-rays, arthrodesis (bone fusion surgery) and nerve procedures.

Volume of procedures performed by Dr. Joseph Raymond O'Brien, MD, MPH for Medicare patients.

arthrodesis (bone fusion surgery)	88
bone surgery	23
decompression surgery	75
doctor visit	857
minimally invasive procedures	72
neck surgery	16
nerve procedures	75
spinal procedures	1064
X-rays	782

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH.

**Gender**
Male	205
Female	307

**Ethnicity**
Non-Hispanic White	424
Black	29
Hispanic	0
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	234
From 75 to 84	218
85 and over	37
Less than 65	23

Conditions of Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH in 2020

Hypertension	65
High Cholesterol	63
Stroke	3
Ischemic Heart Disease	32
Depression	28
Chronic Kidney Disease	23
Asthma	12
Osteoperosis	17
Atrial Fibrilation	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	21
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Joseph Raymond O'Brien, MD, MPH treated as a spine surgeon in Bethesda, MD during 2021 were spinal procedures, X-rays, arthrodesis (bone fusion surgery) and nerve procedures.

Volume of procedures performed by Dr. Joseph Raymond O'Brien, MD, MPH for Medicare patients.

arthrodesis (bone fusion surgery)	100
bone surgery	24
decompression surgery	92
doctor visit	999
minimally invasive procedures	78
neck surgery	33
nerve procedures	92
spinal procedures	1181
X-rays	896

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH.

**Gender**
Male	194
Female	372

**Ethnicity**
Non-Hispanic White	467
Black	35
Hispanic	0
Asian	19
Other	34
Native American	0

**Age**
From 65 to 74	261
From 75 to 84	241
85 and over	41
Less than 65	23

Conditions of Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH in 2021

Hypertension	66
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	28
Depression	30
Chronic Kidney Disease	24
Asthma	11
Osteoperosis	19
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	21
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Joseph Raymond O'Brien, MD, MPH treated as a spine surgeon in Bethesda, MD during 2022 were spinal procedures, X-rays, arthrodesis (bone fusion surgery) and nerve procedures.

Volume of procedures performed by Dr. Joseph Raymond O'Brien, MD, MPH for Medicare patients.

arthrodesis (bone fusion surgery)	98
bone surgery	26
decompression surgery	92
doctor visit	1060
implant removal	15
minimally invasive procedures	76
neck surgery	37
nerve procedures	92
spinal procedures	1188
X-rays	893

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH.

**Gender**
Male	215
Female	400

**Ethnicity**
Non-Hispanic White	489
Black	40
Hispanic	0
Asian	22
Other	48
Native American	0

**Age**
From 65 to 74	262
From 75 to 84	290
85 and over	47
Less than 65	16

Conditions of Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH in 2022

Hypertension	72
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	27
Depression	26
Chronic Kidney Disease	14
Asthma	15
Osteoperosis	26
Atrial Fibrilation	13
Heart Failure	7
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	3
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Joseph Raymond O'Brien, MD, MPH for Medicare patients.

The highest averages for the top procedures that Dr. Joseph Raymond O'Brien, MD, MPH treated as a spine surgeon in Bethesda, MD were X-rays, spinal procedures, arthrodesis (bone fusion surgery) and nerve procedures.

arthrodesis (bone fusion surgery)	71
aspiration	19
bone surgery	21
decompression surgery	58
doctor visit	713
implant removal	16
injections	19
minimally invasive procedures	57
MRI (magnetic resonance imaging)	18
neck surgery	21
nerve procedures	58
spinal procedures	700
X-rays	752

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH.

**Gender**
Male	178
Female	273

**Ethnicity**
Black / African American	71
Asian / Pacific Islander	6
Non-Hispanic White	334
Native American / Alaskan Native	0
Hispanic	6
Other	18

**Age**
75 to 84	159
85 and over	33
Less than 65	52
65 to 74	206

Average of Total of Conditions of Medicare patients treated by Dr. Joseph Raymond O'Brien, MD, MPH From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Joseph Raymond O'Brien, MD, MPH treated were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	60
High Cholesterol	52
Stroke	3
Ischemic Heart Disease	25
Depression	25
Chronic Kidney Disease	18
Asthma	12
Osteoporosis	14
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	23
Atrial Fibrillation	9
Dementia	6
Cancer	10

Education & Training

Dr. Joseph Raymond O'Brien, MD, MPH graduated from George Washington University School of Medicine and Health Sciences in 2001. He completed residency at University of Maryland Affiliated Hospitals. He has a state license in Maryland.

Medical School: George Washington University School of Medicine and Health Sciences (2001)

Residency: University of Maryland Affiliated Hospitals (2006)

Licensed In: Maryland

Affiliations & Hospitals

Dr. Joseph Raymond O'Brien, MD, MPH is associated with these hospitals and organizations:

Virginia Hospital Center

BETHESDA CHEVY CHASE ORTHOPAEDIC ASSOCIATES, LLC

OrthoBethesda

Ratings & Reviews

Dr. Joseph Raymond O'Brien, MD, MPH has an exceptional overall rating with an average of 4.9 out of 5 stars based on 780 ratings. We collect ratings and reviews of Dr. Joseph Raymond O'Brien, MD, MPH from all over the web to help you find the right in Bethesda, MD.

4.9

Overall Rating

(780 Ratings)

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General Payments

These charts describe general payments received by Dr. Joseph Raymond O'Brien, MD, MPH. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Globus Medical, Inc.	$1,774,103 RISE-L $530,798	Spine $174,176	ELSA $152,061	SI-LOK Select $131,051	COALITION AGX $105,834	Other $680,183
SeaSpine Orthopedics Corporation	$140,806 Mariner MIS $115,161	Mariner $16,948	Atoll $149	Shoreline $130	Newport Complex MIS $36	Other $8,381
NUVASIVE, INC.	$136,856 X-Core Mini $62,643	Cervicothoracic $33,746	X-CORE $26,932	ALIF $8,565	Brigade $4,948	Other $21
Stryker Corporation	$115,445 RAVINE Lateral Access System $32,978	CHESAPEAKE STABILIZATION SYSTEM $16,500	XIA $9,500	THORACO-LUMBAR $9,166	Mako $8,363	Other $38,937
RTI Surgical, Inc.	$92,244 cervical allograft $54,105	Streamline MIS Spinal Fixation System $18,808	MAP3 Cellular Allogeneic Bone Graft $9,739	Fortilink-L IBF System * $5,788	Allograft $2,575	Other $1,230
Other	$289,668 Mariner MIS $74,706	No Related Product $32,333	TISSEEL $20,991	Fortilink-L IBF System $11,710	PIVOX Oblique Lateral Spinal System $9,458	Other $140,469

**Types of Payments**
Royalty or License	$1,463,307
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$497,872
Consulting Fee	$394,107
Travel and Lodging	$141,062
Food and Beverage	$48,063
Other	$4,710

Research Payments

Dr. Joseph Raymond O'Brien, MD, MPH has received 39 research payments totaling $185,169.

Ownership and Interest Payments

This table describes ownership payments received by Dr. Joseph Raymond O'Brien, MD, MPH.

Innovative Surgical Designs, Inc.	2016	$267,968.05	Physician Covered Recipient	Equity obtained through merger and acquisition of prior company.
Innovative Surgical Designs, Inc.	2014	$267,968.05	Physician Covered Recipient	Equity obtained through merger and acquisition of prior company.
Innovative Surgical Designs, Inc.	2015	$267,968.05	Physician Covered Recipient	Equity obtained through merger and acquisition of prior company.
Innovative Surgical Designs, Inc.	2021	$138,423.99	Immediate family member	Through acquisition and merger of previous company.
Innovative Surgical Designs, Inc.	2018	$138,423.99	Immediate family member	Through acquisition and merger of previous company.
Innovative Surgical Designs, Inc.	2017	$138,423.99	Physician Covered Recipient	Stock ownership interest
Innovative Surgical Designs, Inc.	2019	$138,423.99	Immediate family member	Through acquisition and merger of previous company.

Biography

Dr. Joseph Obrien practices spine surgery and orthopedics/orthopedic surgery. Dr. Obrien is rated highly by his patients. He is affiliated with Virginia Hospital Center. He obtained his medical school training at George Washington University School of Medicine and Health Sciences and performed his residency at a hospital affiliated with the University of Maryland. In addition to English, Dr. Obrien speaks Spanish.