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Home > OR Providers > Diagnostic Radiologists

Dr. Matthew Brennan O'Brien, MD

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Specializes in: Diagnostic Radiology

Wayne State University School of Medicine (2012)

1800 N.e. Second Avenue
Portland, OR 97212

(503) 346-4949

Dr. Matthew Brennan O'Brien, MD is a diagnostic radiologist in Portland, OR specializing in diagnostic radiology. He graduated from Wayne State University School of Medicine in 2012 and has 13 years of experience. Dr. Matthew Brennan O'Brien, MD is affiliated with OHSU Healthcare and UNIVERSITY PROFESSIONAL SERVICES.

Office Locations

OHSU Healthcare

1800 N.e. Second Avenue
Portland, OR 97212

(503) 346-4949

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3181 Sw Sam Jackson Park Road
Portland, OR 97239

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9775 S.w. Wilshire Street Suite 100
Portland, OR 97225

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Noteworthy Medicare Patient Procedures Performed by Dr. Matthew Brennan O'Brien, MD in 2023

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

Top 5%

By Volume:

arm X-ray

knee X-ray

spine X-ray

By Affordability:

In 2023, among providers in related specialties within Oregon, Dr. Matthew Brennan O'Brien, MD performed more arm X-ray, knee X-ray, and spine X-ray procedures for Medicare patients than 95% of them and he also had a list price for ankle MRI, CT scan, elbow MRI, foot MRI, foot X-ray, hip MRI, joint MRI, joint X-ray, knee MRI, knee X-ray, leg CT scan, leg MRI, lower leg MRI, neck X-ray, pelvic CT scan, pelvic MRI, pelvis X-ray, scanogram (bone length study), shoulder MRI, spine imaging, spine X-ray, thigh MRI, upper extremity MRI, wrist MRI, and X-rays 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 Volume:

musculoskeletal imaging

tibia and fibula X-ray

By Affordability:

leg X-ray

lower extremity MRI

MRI

tibia and fibula X-ray

In 2023, among providers in related specialties within Oregon, Dr. Matthew Brennan O'Brien, MD performed more musculoskeletal imaging, and tibia and fibula (lower leg) X-ray procedures for Medicare patients than 90% of them and he also had a list price for leg X-ray, lower extremity MRI, MRI (magnetic resonance imaging), and tibia and fibula (lower leg) X-ray that was lower than the list prices billed to Medicare by 90% 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:

scanogram

X-rays

By Affordability:

In 2013, among providers in related specialties within Oregon, Dr. Matthew Brennan O'Brien, MD performed more scanogram (bone length study), and X-rays procedures for Medicare patients than 75% of them and he also had a list price for ankle X-ray, arm X-ray, hand X-ray, and wrist X-ray 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

2017 Medicare Procedure Volume

The top procedures that Dr. Matthew Brennan O'Brien, MD treated as a diagnostic radiologist in Portland, OR during 2017 were X-rays, spinal procedures and musculoskeletal imaging.

Volume of procedures performed by Dr. Matthew Brennan O'Brien, MD for Medicare patients.

musculoskeletal imaging	12
spinal procedures	14
X-rays	26

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Brennan O'Brien, MD.

**Gender**
Male	86
Female	167

**Ethnicity**
Non-Hispanic White	218
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	106
From 75 to 84	79
85 and over	25
Less than 65	43

Conditions of Medicare patients treated by Dr. Matthew Brennan O'Brien, MD in 2017

The most common conditions of Medicare patients that Dr. Matthew Brennan O'Brien, MD treated during 2017 were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	70
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	36
Depression	40
Chronic Kidney Disease	30
Asthma	15
Osteoperosis	17
Atrial Fibrilation	10
Heart Failure	19
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	21
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Matthew Brennan O'Brien, MD treated as a diagnostic radiologist in Portland, OR during 2018 were X-rays, CT scan, musculoskeletal imaging and spinal procedures.

Volume of procedures performed by Dr. Matthew Brennan O'Brien, MD for Medicare patients.

abdominal imaging	105
aspiration	12
brain imaging (neuroimaging)	98
breast procedures	132
CT scan	181
hip imaging	19
injections	12
MRI (magnetic resonance imaging)	90
musculoskeletal imaging	161
pelvic imaging	83
preventive care	132
spinal procedures	141
thoracic (chest) imaging	12
ultrasound (sonogram)	44
women's imaging	132
X-rays	356

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Brennan O'Brien, MD.

**Gender**
Male	575
Female	964

**Ethnicity**
Non-Hispanic White	1358
Black	54
Hispanic	46
Asian	15
Other	53
Native American	13

**Age**
From 65 to 74	631
From 75 to 84	449
85 and over	186
Less than 65	273

Conditions of Medicare patients treated by Dr. Matthew Brennan O'Brien, MD in 2018

The most common conditions of Medicare patients that Dr. Matthew Brennan O'Brien, MD treated during 2018 were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	67
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	33
Depression	33
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Matthew Brennan O'Brien, MD treated as a diagnostic radiologist in Portland, OR during 2019 were CT scan, X-rays, women's imaging and breast procedures.

Volume of procedures performed by Dr. Matthew Brennan O'Brien, MD for Medicare patients.

abdominal imaging	351
aspiration	63
brain imaging (neuroimaging)	336
breast procedures	474
CT scan	762
diagnostic imaging	32
hip imaging	110
injections	63
MRI (magnetic resonance imaging)	392
musculoskeletal imaging	224
neck imaging	25
pelvic imaging	240
preventive care	426
spinal procedures	268
thoracic (chest) imaging	108
ultrasound (sonogram)	162
women's imaging	474
X-rays	528

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Brennan O'Brien, MD.

**Gender**
Male	853
Female	1459

**Ethnicity**
Non-Hispanic White	2186
Black	0
Hispanic	31
Asian	0
Other	30
Native American	36

**Age**
From 65 to 74	949
From 75 to 84	642
85 and over	270
Less than 65	451

Conditions of Medicare patients treated by Dr. Matthew Brennan O'Brien, MD in 2019

The most common conditions of Medicare patients that Dr. Matthew Brennan O'Brien, MD treated during 2019 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	69
High Cholesterol	52
Stroke	7
Ischemic Heart Disease	28
Depression	32
Chronic Kidney Disease	36
Asthma	12
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	27
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Matthew Brennan O'Brien, MD treated as a diagnostic radiologist in Portland, OR during 2020 were X-rays, women's imaging, breast procedures and CT scan.

Volume of procedures performed by Dr. Matthew Brennan O'Brien, MD for Medicare patients.

abdominal imaging	389
brain imaging (neuroimaging)	323
breast procedures	773
CT scan	716
diagnostic imaging	66
hip imaging	96
MRI (magnetic resonance imaging)	415
musculoskeletal imaging	374
neck imaging	13
pelvic imaging	260
preventive care	675
spinal procedures	273
thoracic (chest) imaging	150
ultrasound (sonogram)	213
vascular procedures	13
women's imaging	773
X-rays	1030

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Brennan O'Brien, MD.

**Gender**
Male	914
Female	1801

**Ethnicity**
Non-Hispanic White	2538
Black	13
Hispanic	50
Asian	25
Other	47
Native American	42

**Age**
From 65 to 74	1146
From 75 to 84	800
85 and over	287
Less than 65	482

Conditions of Medicare patients treated by Dr. Matthew Brennan O'Brien, MD in 2020

The most common conditions of Medicare patients that Dr. Matthew Brennan O'Brien, MD treated during 2020 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	66
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	29
Depression	28
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Matthew Brennan O'Brien, MD treated as a diagnostic radiologist in Portland, OR during 2021 were X-rays, women's imaging, breast procedures and musculoskeletal imaging.

Volume of procedures performed by Dr. Matthew Brennan O'Brien, MD for Medicare patients.

abdominal imaging	88
brain imaging (neuroimaging)	16
breast procedures	477
CT scan	163
diagnostic imaging	37
hip imaging	56
MRI (magnetic resonance imaging)	135
musculoskeletal imaging	421
pelvic imaging	126
preventive care	413
spinal procedures	226
thoracic (chest) imaging	55
ultrasound (sonogram)	57
women's imaging	477
X-rays	1041

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Brennan O'Brien, MD.

**Gender**
Male	802
Female	1524

**Ethnicity**
Non-Hispanic White	2141
Black	25
Hispanic	47
Asian	31
Other	52
Native American	30

**Age**
From 65 to 74	1039
From 75 to 84	684
85 and over	212
Less than 65	391

Conditions of Medicare patients treated by Dr. Matthew Brennan O'Brien, MD in 2021

The most common conditions of Medicare patients that Dr. Matthew Brennan O'Brien, MD treated during 2021 were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	59
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	28
Depression	30
Chronic Kidney Disease	34
Asthma	10
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Matthew Brennan O'Brien, MD treated as a diagnostic radiologist in Portland, OR during 2022 were X-rays, musculoskeletal imaging, spinal procedures and pelvic imaging.

Volume of procedures performed by Dr. Matthew Brennan O'Brien, MD for Medicare patients.

aspiration	17
CT scan	61
hip imaging	29
injections	17
MRI (magnetic resonance imaging)	132
musculoskeletal imaging	847
pelvic imaging	156
spinal procedures	445
X-rays	1245

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Brennan O'Brien, MD.

**Gender**
Male	886
Female	1335

**Ethnicity**
Non-Hispanic White	1939
Black	40
Hispanic	72
Asian	41
Other	107
Native American	22

**Age**
From 65 to 74	1040
From 75 to 84	648
85 and over	182
Less than 65	351

Conditions of Medicare patients treated by Dr. Matthew Brennan O'Brien, MD in 2022

The most common conditions of Medicare patients that Dr. Matthew Brennan O'Brien, MD treated during 2022 were hypertension, high cholesterol, depression and diabetes.

Hypertension	64
High Cholesterol	56
Stroke	8
Ischemic Heart Disease	23
Depression	30
Chronic Kidney Disease	21
Asthma	13
Osteoperosis	21
Atrial Fibrilation	18
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	25
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Matthew Brennan O'Brien, MD treated as a diagnostic radiologist in Portland, OR during 2023 were X-rays, musculoskeletal imaging, spinal procedures and pelvic imaging.

Volume of procedures performed by Dr. Matthew Brennan O'Brien, MD for Medicare patients.

aspiration	14
CT scan	35
hip imaging	35
injections	14
MRI (magnetic resonance imaging)	104
musculoskeletal imaging	673
pelvic imaging	118
spinal procedures	377
X-rays	1019

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Brennan O'Brien, MD.

**Gender**
Male	826
Female	1211

**Ethnicity**
Non-Hispanic White	1750
Black	35
Hispanic	74
Asian	61
Other	105
Native American	12

**Age**
From 65 to 74	906
From 75 to 84	599
85 and over	189
Less than 65	343

Conditions of Medicare patients treated by Dr. Matthew Brennan O'Brien, MD in 2023

The most common conditions of Medicare patients that Dr. Matthew Brennan O'Brien, MD treated during 2023 were hypertension, high cholesterol, depression and diabetes.

Hypertension	67
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	24
Depression	30
Chronic Kidney Disease	22
Asthma	15
Osteoperosis	21
Atrial Fibrilation	21
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	24
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2017 - 2023

Volume of procedures performed by Dr. Matthew Brennan O'Brien, MD for Medicare patients.

The highest averages for the top procedures that Dr. Matthew Brennan O'Brien, MD treated as a diagnostic radiologist in Portland, OR were X-rays, women's imaging, breast procedures and preventive care.

abdominal imaging	233
aspiration	26
brain imaging (neuroimaging)	193
breast procedures	464
CT scan	319
diagnostic imaging	45
hip imaging	57
injections	26
MRI (magnetic resonance imaging)	211
musculoskeletal imaging	387
neck imaging	19
pelvic imaging	163
preventive care	411
spinal procedures	249
thoracic (chest) imaging	81
ultrasound (sonogram)	119
vascular procedures	13
women's imaging	464
X-rays	749

Average Medicare Patient Data From 2017 - 2023

Information about Medicare patients treated by Dr. Matthew Brennan O'Brien, MD.

**Gender**
Male	706
Female	1208

**Ethnicity**
Black / African American	26
Asian / Pacific Islander	24
Non-Hispanic White	1732
Native American / Alaskan Native	22
Hispanic	45
Other	56

**Age**
75 to 84	557
85 and over	193
Less than 65	333
65 to 74	831

Average of Total of Conditions of Medicare patients treated by Dr. Matthew Brennan O'Brien, MD From 2017 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Matthew Brennan O'Brien, MD treated were hypertension, high cholesterol, depression and chronic kidney disease.

Hypertension	66
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	28
Depression	31
Chronic Kidney Disease	30
Asthma	12
Osteoporosis	15
Heart Failure	21
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Atrial Fibrillation	14
Cancer	13
Dementia	12

Education & Training

Dr. Matthew Brennan O'Brien, MD graduated from Wayne State University School of Medicine in 2012. He has a state license in Massachusetts.

Medical School: Wayne State University School of Medicine (2012)

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Matthew Brennan O'Brien, MD is associated with these hospitals and organizations:

OHSU Healthcare

UNIVERSITY PROFESSIONAL SERVICES

Ratings & Reviews

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General Payments

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

**Payments by Company**
Bard Peripheral Vascular, Inc.	$200 Trek $200

**Types of Payments**
Food and Beverage	$200

Biography

Dr. Matthew O'Brien is a specialist in diagnostic radiology in Portland, OR. He studied medicine at Wayne State University School of Medicine. Dr. O'Brien is professionally affiliated with OHSU Healthcare.