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Home > RI Providers > Orthopedic Surgeons

Dr. William F. Brennan JR., MD

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Specializes in: Orthopedics/Orthopedic Surgery

120 Centerville Road
Warwick, RI 02886

(401) 738-3730

Dr. William F. Brennan JR., MD is an orthopedist in Warwick, RI specializing in orthopedics/orthopedic surgery.

Office Locations

120 Centerville Road
Warwick, RI 02886

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Noteworthy Medicare Patient Procedures Performed by Dr. William F. Brennan JR., MD in 2023

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

Top 5%

By Volume:

spine X-ray

By Affordability:

neck X-ray

In 2023, among providers in related specialties within Rhode Island, Dr. William F. Brennan JR., MD performed more spine X-ray procedures for Medicare patients than 95% of them and he also had a list price for neck X-ray 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:

spine imaging

spine X-ray

In 2023, Dr. William F. Brennan JR., MD had a list price for spine imaging, and spine X-ray that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Rhode Island. 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. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI during 2012 were X-rays, spinal procedures, musculoskeletal imaging and aspiration.

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

aspiration	91
decompression surgery	30
doctor visit	843
hip imaging	34
hospital care	23
injections	91
inpatient care	23
joint surgery	15
lower extremity surgery	15
minimally invasive procedures	15
MRI (magnetic resonance imaging)	38
musculoskeletal imaging	179
nerve procedures	30
spinal procedures	323
X-rays	434

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI during 2013 were X-rays, spinal procedures, musculoskeletal imaging and aspiration.

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

aspiration	120
decompression surgery	34
doctor visit	895
hip imaging	34
hospital care	31
injections	120
inpatient care	31
MRI (magnetic resonance imaging)	43
musculoskeletal imaging	157
nerve procedures	34
spinal procedures	379
X-rays	448

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William F. Brennan JR., MD.

**Gender**
Male	143
Female	283

**Ethnicity**
Non-Hispanic White	401
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	145
From 75 to 84	96
85 and over	46
Less than 65	139

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2013

Hypertension	71
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	37
Depression	37
Chronic Kidney Disease	20
Asthma	14
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI during 2014 were X-rays, spinal procedures, musculoskeletal imaging and aspiration.

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

aspiration	133
decompression surgery	35
doctor visit	875
hip imaging	53
hospital care	24
injections	133
inpatient care	24
MRI (magnetic resonance imaging)	40
musculoskeletal imaging	181
nerve procedures	35
spinal procedures	335
X-rays	423

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William F. Brennan JR., MD.

**Gender**
Male	161
Female	256

**Ethnicity**
Non-Hispanic White	395
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	85
85 and over	58
Less than 65	131

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2014

Hypertension	70
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	38
Depression	36
Chronic Kidney Disease	21
Asthma	12
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI during 2015 were X-rays, spinal procedures, musculoskeletal imaging and aspiration.

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

aspiration	87
decompression surgery	51
doctor visit	992
hip imaging	36
hospital care	11
injections	87
inpatient care	11
MRI (magnetic resonance imaging)	57
musculoskeletal imaging	179
nerve procedures	51
spinal procedures	396
X-rays	444

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William F. Brennan JR., MD.

**Gender**
Male	326
Female	512

**Ethnicity**
Non-Hispanic White	792
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	308
From 75 to 84	184
85 and over	82
Less than 65	264

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2015

Hypertension	72
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	39
Depression	40
Chronic Kidney Disease	27
Asthma	17
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI during 2016 were X-rays, spinal procedures, musculoskeletal imaging and aspiration.

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

aspiration	68
decompression surgery	32
doctor visit	912
injections	68
joint surgery	12
lower extremity surgery	12
MRI (magnetic resonance imaging)	56
musculoskeletal imaging	176
nerve procedures	32
reconstructive surgery	12
spinal procedures	352
X-rays	421

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William F. Brennan JR., MD.

**Gender**
Male	138
Female	249

**Ethnicity**
Non-Hispanic White	362
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	148
From 75 to 84	82
85 and over	36
Less than 65	121

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2016

Hypertension	70
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	34
Depression	37
Chronic Kidney Disease	27
Asthma	25
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI during 2017 were X-rays, spinal procedures, musculoskeletal imaging and aspiration.

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

aspiration	67
decompression surgery	33
doctor visit	850
hospital care	12
injections	67
inpatient care	12
joint surgery	12
lower extremity surgery	12
MRI (magnetic resonance imaging)	34
musculoskeletal imaging	153
nerve procedures	33
reconstructive surgery	12
spinal procedures	305
X-rays	380

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William F. Brennan JR., MD.

**Gender**
Male	142
Female	203

**Ethnicity**
Non-Hispanic White	321
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	91
85 and over	37
Less than 65	86

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2017

Hypertension	75
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	37
Depression	36
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI during 2018 were X-rays, spinal procedures, musculoskeletal imaging and aspiration.

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

aspiration	89
decompression surgery	37
doctor visit	1000
injections	89
joint surgery	28
lower extremity surgery	28
minimally invasive procedures	13
MRI (magnetic resonance imaging)	51
musculoskeletal imaging	204
nerve procedures	37
reconstructive surgery	15
spinal procedures	440
X-rays	528

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William F. Brennan JR., MD.

**Gender**
Male	169
Female	215

**Ethnicity**
Non-Hispanic White	351
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	93
85 and over	34
Less than 65	75

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	38
Depression	32
Chronic Kidney Disease	29
Asthma	17
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI during 2019 were X-rays, spinal procedures, musculoskeletal imaging and aspiration.

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

aspiration	107
decompression surgery	19
doctor visit	886
hip imaging	14
injections	107
joint surgery	33
lower extremity surgery	33
minimally invasive procedures	15
MRI (magnetic resonance imaging)	54
musculoskeletal imaging	249
nerve procedures	19
reconstructive surgery	18
spinal procedures	310
X-rays	486

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William F. Brennan JR., MD.

**Gender**
Male	135
Female	224

**Ethnicity**
Non-Hispanic White	328
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	88
85 and over	30
Less than 65	70

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2019

Hypertension	72
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	36
Depression	36
Chronic Kidney Disease	30
Asthma	13
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI during 2020 were X-rays, spinal procedures, musculoskeletal imaging and aspiration.

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

aspiration	90
decompression surgery	22
doctor visit	690
hip imaging	13
injections	90
joint surgery	12
lower extremity surgery	12
MRI (magnetic resonance imaging)	40
musculoskeletal imaging	158
nerve procedures	22
reconstructive surgery	12
spinal procedures	230
X-rays	326

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William F. Brennan JR., MD.

**Gender**
Male	114
Female	174

**Ethnicity**
Non-Hispanic White	274
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	90
85 and over	20
Less than 65	56

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2020

Hypertension	72
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	37
Depression	28
Chronic Kidney Disease	28
Asthma	13
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	21
Diabetes	28
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI during 2021 were X-rays, spinal procedures, aspiration and injections.

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

aspiration	126
doctor visit	883
hip imaging	12
injections	126
MRI (magnetic resonance imaging)	34
musculoskeletal imaging	86
spinal procedures	228
X-rays	280

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William F. Brennan JR., MD.

**Gender**
Male	119
Female	188

**Ethnicity**
Non-Hispanic White	287
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	114
85 and over	19
Less than 65	48

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2021

Hypertension	70
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	39
Depression	31
Chronic Kidney Disease	27
Asthma	12
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	19
Diabetes	29
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI during 2022 were spinal procedures, X-rays, aspiration and injections.

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

aspiration	103
doctor visit	897
injections	103
MRI (magnetic resonance imaging)	20
musculoskeletal imaging	13
spinal procedures	235
X-rays	228

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William F. Brennan JR., MD.

**Gender**
Male	137
Female	187

**Ethnicity**
Non-Hispanic White	297
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	123
85 and over	24
Less than 65	44

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	24
Depression	27
Chronic Kidney Disease	20
Asthma	14
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	17
Diabetes	27
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI during 2023 were X-rays, spinal procedures, aspiration and injections.

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

aspiration	76
doctor visit	898
injections	76
spinal procedures	202
X-rays	202

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. William F. Brennan JR., MD.

**Gender**
Male	137
Female	196

**Ethnicity**
Non-Hispanic White	294
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	148
85 and over	29
Less than 65	37

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2023

Hypertension	73
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	27
Depression	27
Chronic Kidney Disease	25
Asthma	14
Osteoperosis	17
Atrial Fibrilation	17
Heart Failure	12
Chronic Obstructive Pulmonary Disease	17
Diabetes	26
Dementia	5
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. William F. Brennan JR., MD for Medicare patients.

The highest averages for the top procedures that Dr. William F. Brennan JR., MD treated as an orthopedist in Warwick, RI were X-rays, spinal procedures, musculoskeletal imaging and aspiration.

aspiration	96
decompression surgery	32
doctor visit	885
hip imaging	28
hospital care	20
injections	96
inpatient care	20
joint surgery	18
lower extremity surgery	18
minimally invasive procedures	14
MRI (magnetic resonance imaging)	42
musculoskeletal imaging	157
nerve procedures	32
reconstructive surgery	13
spinal procedures	311
X-rays	383

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. William F. Brennan JR., MD.

**Gender**
Male	143
Female	223

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	341
Hispanic	4
Native American / Alaskan Native	0
Other	5

**Age**
75 to 84	99
85 and over	34
Less than 65	89
65 to 74	144

Average of Total of Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. William F. Brennan JR., MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	66
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	32
Depression	30
Chronic Kidney Disease	23
Asthma	13
Osteoporosis	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Atrial Fibrillation	9
Cancer	10
Dementia	7

Education & Training

He has a state license in Rhode Island.

Licensed In: Rhode Island

Ratings & Reviews

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General Payments

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

**Payments by Company**
Stryker Corporation	$120 THORACO-LUMBAR $120
DJO, LLC	$113 $113
Orthofix Medical, Inc.	$65 All Spine Stimulation $50	Spinal-Stim Osteogenesis Stimulator $8	cervical-stim $7
Orthofix International N.V.	$60 Physio-Stim $47	Spinal-Stim Osteogenesis Stimulator $14
Zimmer Biomet Holdings, Inc.	$33 Product Portfolio $33
Other	$40 BSBHT - SPINE $24	Osteogenesis Stimulators $16

**Types of Payments**
Food and Beverage	$430

Biography

Dr. William Brennan is a medical specialist in orthopedics/orthopedic surgery. He attended medical school at Tufts University School of Medicine.

Select Year:

Dr. William F. Brennan JR., MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. William F. Brennan JR., MD in 2023

By Volume:

By Affordability:

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. William F. Brennan JR., MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. William F. Brennan JR., MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

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