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Dr. Brian J. Keroack, MD

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Specializes in: Adult Rheumatology

Tufts University School of Medicine

16 Hospital Drive Henry F. Warner Building, Suite A
York, ME 03909

(207) 774-5761

Dr. Brian J. Keroack, MD is a rheumatologist in York, ME specializing in adult rheumatology. He graduated from Tufts University School of Medicine. Dr. Brian J. Keroack, MD is affiliated with MaineHealth, York Hospital and MaineHealth Maine Medical Center.

Office Locations

16 Hospital Drive Henry F. Warner Building, Suite A
York, ME 03909

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MaineHealth Maine Medical Center

51 Sewall Street
Portland, ME 04102

(207) 774-5761

(207) 874-7478

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In The News

“The family would like to thank Dr. Julliann Dur, Dr. Paul Parker, Dr. Brian Keroack and their staff for the care and kindness extended to their dad, Walter as well as the nurses and staff of...”—"Obituary: Walter F. Johnson", Portland Press Herald, June 2022

Noteworthy Medicare Patient Procedures Performed by Dr. Brian J. Keroack, MD in 2023

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

Top 5%

By Volume:

central DEXA

knee X-ray

By Affordability:

blood count tests

blood draw

blood draw for lab tests

blood tests

complete blood count

C-reactive protein testing

joint X-ray

knee X-ray

lab tests

phlebotomy for lab tests

In 2023, among providers in related specialties within Maine, Dr. Brian J. Keroack, MD performed more central DEXA, and knee X-ray procedures for Medicare patients than 95% of them and he also had a list price for blood count tests, blood draw, blood draw for lab tests, blood tests, complete blood count (CBC), C-reactive protein testing, joint X-ray, knee X-ray, lab tests, phlebotomy for lab tests, sed rate (ESR), uric acid blood test, uric acid test, venipuncture (phlebotomy), vitamin D test, 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:

joint aspiration

joint injections

In 2023, Dr. Brian J. Keroack, MD performed more joint aspiration, and joint injections procedures for Medicare patients than 90% of providers in related specialties within Maine.

Top 25%

By Volume:

musculoskeletal imaging

X-rays

In 2012, Dr. Brian J. Keroack, MD performed more musculoskeletal imaging, and X-rays procedures for Medicare patients than 75% of providers in related specialties within Maine.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Brian J. Keroack, MD treated as a rheumatologist in York, ME during 2012 were lab tests, blood draw, aspiration and injections.

Volume of procedures performed by Dr. Brian J. Keroack, MD for Medicare patients.

aspiration	348
biological response modifier (BRM) therapy	220
blood draw	529
chemotherapy	220
doctor visit	1529
hip imaging	17
injections	348
lab tests	1178
minimally invasive procedures	231
musculoskeletal imaging	82
X-rays	82

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Brian J. Keroack, MD treated as a rheumatologist in York, ME during 2013 were lab tests, blood draw, injections and aspiration.

Volume of procedures performed by Dr. Brian J. Keroack, MD for Medicare patients.

aspiration	341
biological response modifier (BRM) therapy	243
blood draw	476
chemotherapy	243
doctor visit	1436
hip imaging	19
injections	358
lab tests	1078
minimally invasive procedures	243
musculoskeletal imaging	83
spinal procedures	12
X-rays	95

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian J. Keroack, MD.

**Gender**
Male	214
Female	481

**Ethnicity**
Non-Hispanic White	678
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	264
From 75 to 84	226
85 and over	55
Less than 65	150

Conditions of Medicare patients treated by Dr. Brian J. Keroack, MD in 2013

Hypertension	59
High Cholesterol	50
Stroke	3
Ischemic Heart Disease	28
Depression	28
Chronic Kidney Disease	18
Asthma	8
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	5
Cancer	6

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Brian J. Keroack, MD treated as a rheumatologist in York, ME during 2014 were lab tests, blood draw, aspiration and injections.

Volume of procedures performed by Dr. Brian J. Keroack, MD for Medicare patients.

aspiration	320
biological response modifier (BRM) therapy	227
blood draw	443
chemotherapy	227
doctor visit	1411
hip imaging	19
injections	320
lab tests	1052
minimally invasive procedures	227
musculoskeletal imaging	85
X-rays	85

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian J. Keroack, MD.

**Gender**
Male	197
Female	471

**Ethnicity**
Non-Hispanic White	641
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	257
From 75 to 84	201
85 and over	62
Less than 65	148

Conditions of Medicare patients treated by Dr. Brian J. Keroack, MD in 2014

Hypertension	56
High Cholesterol	46
Stroke	2
Ischemic Heart Disease	23
Depression	27
Chronic Kidney Disease	18
Asthma	8
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Dementia	6
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Brian J. Keroack, MD treated as a rheumatologist in York, ME during 2015 were lab tests, blood draw, injections and aspiration.

Volume of procedures performed by Dr. Brian J. Keroack, MD for Medicare patients.

aspiration	246
biological response modifier (BRM) therapy	208
blood draw	471
chemotherapy	208
doctor visit	1301
hip imaging	13
injections	259
lab tests	1174
minimally invasive procedures	208
musculoskeletal imaging	71
X-rays	71

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian J. Keroack, MD.

**Gender**
Male	458
Female	940

**Ethnicity**
Non-Hispanic White	1336
Black	0
Hispanic	0
Asian	0
Other	30
Native American	0

**Age**
From 65 to 74	582
From 75 to 84	422
85 and over	114
Less than 65	280

Conditions of Medicare patients treated by Dr. Brian J. Keroack, MD in 2015

Hypertension	60
High Cholesterol	46
Stroke	3
Ischemic Heart Disease	25
Depression	25
Chronic Kidney Disease	19
Asthma	12
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	5
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Brian J. Keroack, MD treated as a rheumatologist in York, ME during 2016 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Brian J. Keroack, MD for Medicare patients.

aspiration	185
biological response modifier (BRM) therapy	222
blood draw	568
chemotherapy	222
doctor visit	1371
injections	197
lab tests	1427
minimally invasive procedures	222
musculoskeletal imaging	47
thyroid function tests	13
X-rays	47

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian J. Keroack, MD.

**Gender**
Male	211
Female	470

**Ethnicity**
Non-Hispanic White	656
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	276
From 75 to 84	209
85 and over	70
Less than 65	126

Conditions of Medicare patients treated by Dr. Brian J. Keroack, MD in 2016

Hypertension	59
High Cholesterol	47
Stroke	3
Ischemic Heart Disease	23
Depression	24
Chronic Kidney Disease	22
Asthma	19
Osteoperosis	15
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Brian J. Keroack, MD treated as a rheumatologist in York, ME during 2017 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Brian J. Keroack, MD for Medicare patients.

aspiration	135
biological response modifier (BRM) therapy	253
blood draw	501
chemotherapy	253
doctor visit	1129
injections	135
lab tests	1258
minimally invasive procedures	253
musculoskeletal imaging	26
thyroid function tests	15
X-rays	26

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian J. Keroack, MD.

**Gender**
Male	191
Female	455

**Ethnicity**
Non-Hispanic White	611
Black	0
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	257
From 75 to 84	200
85 and over	70
Less than 65	119

Conditions of Medicare patients treated by Dr. Brian J. Keroack, MD in 2017

Hypertension	63
High Cholesterol	43
Stroke	3
Ischemic Heart Disease	24
Depression	28
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	15
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Brian J. Keroack, MD treated as a rheumatologist in York, ME during 2018 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Brian J. Keroack, MD for Medicare patients.

aspiration	60
biological response modifier (BRM) therapy	174
blood draw	311
chemotherapy	174
doctor visit	663
injections	60
lab tests	723
minimally invasive procedures	174
musculoskeletal imaging	12
X-rays	12

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian J. Keroack, MD.

**Gender**
Male	126
Female	274

**Ethnicity**
Non-Hispanic White	382
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	120
85 and over	36
Less than 65	68

Conditions of Medicare patients treated by Dr. Brian J. Keroack, MD in 2018

Hypertension	57
High Cholesterol	46
Stroke	3
Ischemic Heart Disease	22
Depression	27
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	15
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	5
Cancer	5

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Brian J. Keroack, MD treated as a rheumatologist in York, ME during 2019 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Brian J. Keroack, MD for Medicare patients.

aspiration	118
biological response modifier (BRM) therapy	310
blood draw	460
chemotherapy	310
doctor visit	1030
injections	118
lab tests	1110
minimally invasive procedures	310
musculoskeletal imaging	41
thyroid function tests	15
X-rays	41

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian J. Keroack, MD.

**Gender**
Male	174
Female	367

**Ethnicity**
Non-Hispanic White	519
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	218
From 75 to 84	196
85 and over	48
Less than 65	79

Conditions of Medicare patients treated by Dr. Brian J. Keroack, MD in 2019

Hypertension	59
High Cholesterol	49
Stroke	3
Ischemic Heart Disease	25
Depression	30
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	18
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	22
Dementia	5
Cancer	7

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Brian J. Keroack, MD treated as a rheumatologist in York, ME during 2020 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Brian J. Keroack, MD for Medicare patients.

aspiration	50
biological response modifier (BRM) therapy	296
blood draw	424
chemotherapy	296
doctor visit	830
injections	50
lab tests	1025
minimally invasive procedures	296
musculoskeletal imaging	33
spinal procedures	14
thyroid function tests	13
X-rays	47

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian J. Keroack, MD.

**Gender**
Male	156
Female	344

**Ethnicity**
Non-Hispanic White	479
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	205
From 75 to 84	173
85 and over	58
Less than 65	64

Conditions of Medicare patients treated by Dr. Brian J. Keroack, MD in 2020

Hypertension	55
High Cholesterol	44
Stroke	3
Ischemic Heart Disease	26
Depression	25
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	16
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	6
Cancer	6

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Brian J. Keroack, MD treated as a rheumatologist in York, ME during 2021 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Brian J. Keroack, MD for Medicare patients.

aspiration	59
biological response modifier (BRM) therapy	181
blood draw	351
chemotherapy	181
doctor visit	721
injections	59
lab tests	802
minimally invasive procedures	274
musculoskeletal imaging	27
thyroid function tests	14
X-rays	27

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian J. Keroack, MD.

**Gender**
Male	139
Female	291

**Ethnicity**
Non-Hispanic White	410
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	149
85 and over	49
Less than 65	56

Conditions of Medicare patients treated by Dr. Brian J. Keroack, MD in 2021

Hypertension	58
High Cholesterol	43
Stroke	3
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	22
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	23
Dementia	5
Cancer	7

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Brian J. Keroack, MD treated as a rheumatologist in York, ME during 2022 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Brian J. Keroack, MD for Medicare patients.

aspiration	72
biological response modifier (BRM) therapy	136
blood draw	319
chemotherapy	136
doctor visit	733
injections	72
lab tests	703
minimally invasive procedures	276
musculoskeletal imaging	22
X-rays	22

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian J. Keroack, MD.

**Gender**
Male	142
Female	285

**Ethnicity**
Non-Hispanic White	409
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	161
85 and over	47
Less than 65	46

Conditions of Medicare patients treated by Dr. Brian J. Keroack, MD in 2022

Hypertension	67
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	22
Depression	22
Chronic Kidney Disease	21
Asthma	12
Osteoperosis	30
Atrial Fibrilation	18
Heart Failure	12
Chronic Obstructive Pulmonary Disease	16
Diabetes	24
Dementia	4
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Brian J. Keroack, MD for Medicare patients.

The highest averages for the top procedures that Dr. Brian J. Keroack, MD treated as a rheumatologist in York, ME were lab tests, blood draw, minimally invasive procedures and chemotherapy.

aspiration	175
biological response modifier (BRM) therapy	224
blood draw	441
chemotherapy	224
doctor visit	1104
hip imaging	17
injections	179
lab tests	1048
minimally invasive procedures	246
musculoskeletal imaging	48
spinal procedures	13
thyroid function tests	14
X-rays	50

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Brian J. Keroack, MD.

**Gender**
Male	182
Female	398

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	556
Native American / Alaskan Native	0
Hispanic	0
Other	6

**Age**
75 to 84	187
85 and over	55
Less than 65	103
65 to 74	234

Average of Total of Conditions of Medicare patients treated by Dr. Brian J. Keroack, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Brian J. Keroack, MD treated were hypertension, high cholesterol, depression and diabetes.

Hypertension	53
High Cholesterol	43
Stroke	2
Ischemic Heart Disease	22
Depression	23
Chronic Kidney Disease	20
Asthma	8
Osteoporosis	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	21
Atrial Fibrillation	10
Dementia	4
Cancer	6

Education & Training

Dr. Brian J. Keroack, MD graduated from Tufts University School of Medicine. He completed residency at UMass Memorial Medical Center. He is certified by the Board Certification: Internal Medicine and has a state license in Maine.

Medical School: Tufts University School of Medicine

Residency: UMass Memorial Medical Center (1989)

Board Certification: Board Certification: Internal Medicine (1988)

Licensed In: Maine

Affiliations & Hospitals

Dr. Brian J. Keroack, MD is associated with these hospitals and organizations:

MaineHealth

York Hospital

MaineHealth Maine Medical Center

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General Payments

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

**Payments by Company**
Novartis Pharmaceuticals Corporation	$175 NON BRAND $175
Janssen Biotech, Inc.	$80 Tremfya $80
Genentech USA, Inc.	$45 Actemra $45

**Types of Payments**
Consulting Fee	$175
Education	$125

Research Payments

Dr. Brian J. Keroack, MD has received 25 research payments totaling $148,707.

Biography

Dr. Brian Keroack's specialty is adult rheumatology. After completing medical school at Tufts University School of Medicine, Dr. Keroack performed his residency at UMass Memorial Medical Center. He is professionally affiliated with York Hospital and MaineHealth.