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Dr. Brian J. McMahon, MD

Accepting New Patients

(Brian McMahon)

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Specializes in: General Practice and Emergency Medicine

New York Medical College (1999)

101 Nicolls Road
Stony Brook, NY 11794

(631) 444-4000

Dr. Brian J. McMahon, MD is a general practitioner in Stony Brook, NY specializing in general practice and emergency medicine. He graduated from New York Medical College in 1999 and has 27 years of experience. Dr. Brian J. McMahon, MD is affiliated with U.S. Department of Veterans Affairs.

Office Locations

101 Nicolls Road
Stony Brook, NY 11794

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3495 Bailey Avenue Western Ny Vahcs (528)
Buffalo, NY 14215

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In The News

“It's more an effort to raise the awareness of patients and their families, according to Dr. Brian McMahon, PBMC's director of emergency medicine.”—"Stroke care: It's about time", The Suffolk Times, May 2010

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

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

Top 10%

By Volume:

emergency room care

In 2023, Dr. Brian J. McMahon, MD performed more emergency room (ER) care procedures for Medicare patients than 90% of providers in related specialties within New York.

Top 25%

By Affordability:

emergency care

emergency room care

hospital care

In 2012, Dr. Brian J. McMahon, MD had a list price for emergency care, emergency room (ER) care, and hospital care that was lower than the list prices billed to Medicare by 75% of providers in related specialties within New York. 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. Brian J. McMahon, MD treated as a general practitioner in Stony Brook, NY during 2012 were emergency care.

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

emergency care	461

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Brian J. McMahon, MD treated as a general practitioner in Stony Brook, NY during 2013 were emergency care.

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

emergency care	447

2013 Medicare Patient Data

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

**Gender**
Male	205
Female	235

**Ethnicity**
Non-Hispanic White	364
Black	51
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	113
85 and over	82
Less than 65	123

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

Hypertension	75
High Cholesterol	60
Stroke	10
Ischemic Heart Disease	50
Depression	27
Chronic Kidney Disease	31
Asthma	13
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	31
Chronic Obstructive Pulmonary Disease	24
Diabetes	45
Dementia	20
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Brian J. McMahon, MD treated as a general practitioner in Stony Brook, NY during 2014 were emergency care.

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

emergency care	520

2014 Medicare Patient Data

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

**Gender**
Male	241
Female	281

**Ethnicity**
Non-Hispanic White	425
Black	38
Hispanic	46
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	133
85 and over	109
Less than 65	141

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

Hypertension	75
High Cholesterol	69
Stroke	11
Ischemic Heart Disease	61
Depression	40
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	11
Atrial Fibrilation	22
Heart Failure	36
Chronic Obstructive Pulmonary Disease	25
Diabetes	42
Dementia	24
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Brian J. McMahon, MD treated as a general practitioner in Stony Brook, NY during 2015 were emergency care.

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

emergency care	443

2015 Medicare Patient Data

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

**Gender**
Male	410
Female	504

**Ethnicity**
Non-Hispanic White	772
Black	54
Hispanic	60
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	296
From 75 to 84	242
85 and over	174
Less than 65	202

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

Hypertension	75
High Cholesterol	68
Stroke	10
Ischemic Heart Disease	58
Depression	39
Chronic Kidney Disease	40
Asthma	22
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	37
Chronic Obstructive Pulmonary Disease	26
Diabetes	43
Dementia	22
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Brian J. McMahon, MD treated as a general practitioner in Stony Brook, NY during 2016 were emergency care, outpatient care and hospital care.

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

emergency care	580
hospital care	20
outpatient care	20

2016 Medicare Patient Data

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

**Gender**
Male	297
Female	318

**Ethnicity**
Non-Hispanic White	522
Black	33
Hispanic	42
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	181
From 75 to 84	145
85 and over	135
Less than 65	154

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

Hypertension	75
High Cholesterol	71
Stroke	13
Ischemic Heart Disease	59
Depression	38
Chronic Kidney Disease	47
Asthma	29
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	35
Chronic Obstructive Pulmonary Disease	27
Diabetes	45
Dementia	28
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Brian J. McMahon, MD treated as a general practitioner in Stony Brook, NY during 2017 were emergency care, outpatient care and hospital care.

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

emergency care	280
hospital care	41
outpatient care	41

2017 Medicare Patient Data

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

**Gender**
Male	174
Female	165

**Ethnicity**
Non-Hispanic White	271
Black	21
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	100
85 and over	72
Less than 65	72

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

Hypertension	75
High Cholesterol	65
Stroke	10
Ischemic Heart Disease	55
Depression	40
Chronic Kidney Disease	49
Asthma	8
Osteoperosis	11
Atrial Fibrilation	21
Heart Failure	36
Chronic Obstructive Pulmonary Disease	21
Diabetes	40
Dementia	28
Cancer	20

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Brian J. McMahon, MD treated as a general practitioner in Stony Brook, NY during 2018 were emergency care, outpatient care and hospital care.

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

emergency care	354
hospital care	51
outpatient care	51

2018 Medicare Patient Data

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

**Gender**
Male	187
Female	229

**Ethnicity**
Non-Hispanic White	359
Black	21
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	114
85 and over	97
Less than 65	85

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

Hypertension	75
High Cholesterol	73
Stroke	13
Ischemic Heart Disease	63
Depression	46
Chronic Kidney Disease	50
Asthma	9
Osteoperosis	13
Atrial Fibrilation	27
Heart Failure	41
Chronic Obstructive Pulmonary Disease	24
Diabetes	46
Dementia	37
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Brian J. McMahon, MD treated as a general practitioner in Stony Brook, NY during 2019 were emergency care, outpatient care and hospital care.

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

emergency care	301
hospital care	66
outpatient care	66

2019 Medicare Patient Data

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

**Gender**
Male	169
Female	201

**Ethnicity**
Non-Hispanic White	304
Black	23
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	123
85 and over	73
Less than 65	70

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

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	62
Depression	40
Chronic Kidney Disease	55
Asthma	10
Osteoperosis	11
Atrial Fibrilation	21
Heart Failure	39
Chronic Obstructive Pulmonary Disease	23
Diabetes	45
Dementia	32
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Brian J. McMahon, MD treated as a general practitioner in Stony Brook, NY during 2020 were emergency care, outpatient care and hospital care.

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

emergency care	275
hospital care	59
outpatient care	59

2020 Medicare Patient Data

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

**Gender**
Male	171
Female	172

**Ethnicity**
Non-Hispanic White	284
Black	19
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	75
85 and over	71
Less than 65	70

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

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	62
Depression	43
Chronic Kidney Disease	55
Asthma	11
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	40
Chronic Obstructive Pulmonary Disease	24
Diabetes	45
Dementia	35
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Brian J. McMahon, MD treated as a general practitioner in Stony Brook, NY during 2021 were emergency care, outpatient care and hospital care.

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

emergency care	310
hospital care	62
outpatient care	62

2021 Medicare Patient Data

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

**Gender**
Male	188
Female	203

**Ethnicity**
Non-Hispanic White	334
Black	23
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	120
85 and over	79
Less than 65	78

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

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	57
Depression	42
Chronic Kidney Disease	54
Asthma	16
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	35
Chronic Obstructive Pulmonary Disease	25
Diabetes	41
Dementia	30
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Brian J. McMahon, MD treated as a general practitioner in Stony Brook, NY during 2022 were emergency care, outpatient care and hospital care.

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

emergency care	295
hospital care	13
outpatient care	13

2022 Medicare Patient Data

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

**Gender**
Male	160
Female	165

**Ethnicity**
Non-Hispanic White	274
Black	0
Hispanic	14
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	99
85 and over	75
Less than 65	53

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

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	54
Depression	40
Chronic Kidney Disease	39
Asthma	12
Osteoperosis	20
Atrial Fibrilation	30
Heart Failure	34
Chronic Obstructive Pulmonary Disease	26
Diabetes	48
Dementia	29
Cancer	21

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

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

The highest averages for the top procedures that Dr. Brian J. McMahon, MD treated as a general practitioner in Stony Brook, NY were emergency care, hospital care and outpatient care.

emergency care	387
hospital care	44
outpatient care	44

Average Medicare Patient Data From 2012 - 2022

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

**Gender**
Male	200
Female	224

**Ethnicity**
Black / African American	25
Asian / Pacific Islander	0
Non-Hispanic White	355
Native American / Alaskan Native	0
Hispanic	25
Other	1

**Age**
75 to 84	114
85 and over	87
Less than 65	95
65 to 74	126

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

The highest averages of the most common conditions of Medicare patients that Dr. Brian J. McMahon, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	64
Stroke	10
Ischemic Heart Disease	52
Depression	35
Chronic Kidney Disease	41
Asthma	12
Osteoporosis	10
Heart Failure	33
Chronic Obstructive Pulmonary Disease	22
Diabetes	40
Atrial Fibrillation	20
Dementia	25
Cancer	14

Education & Training

Dr. Brian J. McMahon, MD graduated from New York Medical College in 1999. He completed residency at Stony Brook University Medical Center. He has a state license in New York.

Medical School: New York Medical College (1999)

Residency: Stony Brook University Medical Center (2002)

Licensed In: New York

Affiliations & Hospitals

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

U.S. Department of Veterans Affairs

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Brian J. McMahon, MD appears to accept the following insurance providers: HIP, MAGNACARE, CIGNA PPO, CIGNA HMO, Great West, Fidelis, MULTIPLAN, Workers Compensation, Affinity, GHI CBP, UNITED HEALTHCARE, AETNA, OXFORD, UNITED HEALTH CARE / CHP / MEDICAID, HEALTHFIRST, Humana Military, BEECH STREET, GHI / MEDICARE PLUS, EMP HEALTH CHOICE PPO, EMP HEALTH CHOICE SR, AgeWell, MET EMPIRE, EMP HEALTH CHOICE HMO and Partners Health Paln.

Insurance Accepted by Provider includes:

According to our sources, Dr. Brian J. McMahon, MD accepts the following insurance providers:

HIP

MAGNACARE

CIGNA PPO

CIGNA HMO

Great West

Fidelis

MULTIPLAN

Workers Compensation

Affinity

GHI CBP

UNITED HEALTHCARE

AETNA

OXFORD

UNITED HEALTH CARE / CHP / MEDICAID

HEALTHFIRST

Humana Military

BEECH STREET

GHI / MEDICARE PLUS

EMP HEALTH CHOICE PPO

EMP HEALTH CHOICE SR

AgeWell

MET EMPIRE

EMP HEALTH CHOICE HMO

Partners Health Paln

Ratings & Reviews

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$150 ANDEXXA $118	FLUMIST QUADRIVALENT $33

**Types of Payments**
Food and Beverage	$150

Biography

Dr. Brian McMahon works as a general practice and emergency medicine. Dr. McMahon attended New York Medical College and then went on to complete his residency at a hospital affiliated with Stony Brook University Medical Center. He appears to be an in-network provider for Health Insurance Plan of New York (HIP), Fidelis Care, and Viant, in addition to other insurance carriers. He is affiliated with U.S. Department of Veterans Affairs. He has an open panel in Stony Brook, NY according to Yext.