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Dr. James C. O'Brien, MD

(Dr. James Christopher O'Brien, M.D.)

(No ratings)

Specializes in: Adult Pulmonology and Sleep Medicine

599 Farmington Avenue
Farmington, CT 06032

(860) 284-4950

Dr. James C. O'Brien, MD is a pulmonologist in Bristol, CT specializing in adult pulmonology and sleep medicine. Dr. James C. O'Brien, MD is affiliated with Bristol Hospital.

Office Locations

41 Brewster Road
Bristol, CT 06010

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599 Farmington Avenue
Farmington, CT 06032

(860) 284-4950

(781) 290-0720

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Noteworthy Medicare Patient Procedures Performed by Dr. James C. 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:

home cardiorespiratory sleep study

sleep study with CPAP

In 2023, Dr. James C. O'Brien, MD performed more home cardiorespiratory (type 3) sleep study, and sleep study with CPAP procedures for Medicare patients than 95% of providers in related specialties within Connecticut.

Top 25%

By Volume:

sleep study

In 2012, Dr. James C. O'Brien, MD performed more sleep study procedures for Medicare patients than 75% of providers in related specialties within Connecticut.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. James C. O'Brien, MD treated as a pulmonologist in Bristol, CT during 2012 were sleep study and airway management.

Volume of procedures performed by Dr. James C. O'Brien, MD for Medicare patients.

airway management	128
doctor visit	485
sleep study	258

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. James C. O'Brien, MD treated as a pulmonologist in Bristol, CT during 2013 were sleep study and airway management.

Volume of procedures performed by Dr. James C. O'Brien, MD for Medicare patients.

airway management	113
doctor visit	568
sleep study	297

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. James C. O'Brien, MD.

**Gender**
Male	254
Female	207

**Ethnicity**
Non-Hispanic White	390
Black	27
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	230
From 75 to 84	95
85 and over	22
Less than 65	114

Conditions of Medicare patients treated by Dr. James C. O'Brien, MD in 2013

Hypertension	67
High Cholesterol	65
Stroke	3
Ischemic Heart Disease	30
Depression	33
Chronic Kidney Disease	14
Asthma	10
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	35
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. James C. O'Brien, MD treated as a pulmonologist in Bristol, CT during 2014 were sleep study and airway management.

Volume of procedures performed by Dr. James C. O'Brien, MD for Medicare patients.

airway management	103
doctor visit	678
sleep study	308

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. James C. O'Brien, MD.

**Gender**
Male	328
Female	254

**Ethnicity**
Non-Hispanic White	490
Black	38
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	311
From 75 to 84	120
85 and over	27
Less than 65	124

Conditions of Medicare patients treated by Dr. James C. O'Brien, MD in 2014

Hypertension	67
High Cholesterol	65
Stroke	3
Ischemic Heart Disease	28
Depression	33
Chronic Kidney Disease	17
Asthma	10
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	32
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. James C. O'Brien, MD treated as a pulmonologist in Bristol, CT during 2015 were sleep study and airway management.

Volume of procedures performed by Dr. James C. O'Brien, MD for Medicare patients.

airway management	92
doctor visit	571
sleep study	338

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. James C. O'Brien, MD.

**Gender**
Male	634
Female	536

**Ethnicity**
Non-Hispanic White	1030
Black	0
Hispanic	40
Asian	0
Other	48
Native American	0

**Age**
From 65 to 74	618
From 75 to 84	252
85 and over	48
Less than 65	252

Conditions of Medicare patients treated by Dr. James C. O'Brien, MD in 2015

Hypertension	66
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	28
Depression	37
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	4
Atrial Fibrilation	14
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	29
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. James C. O'Brien, MD treated as a pulmonologist in Bristol, CT during 2016 were sleep study and airway management.

Volume of procedures performed by Dr. James C. O'Brien, MD for Medicare patients.

airway management	87
doctor visit	540
sleep study	404

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. James C. O'Brien, MD.

**Gender**
Male	321
Female	292

**Ethnicity**
Non-Hispanic White	524
Black	27
Hispanic	0
Asian	0
Other	30
Native American	0

**Age**
From 65 to 74	322
From 75 to 84	127
85 and over	27
Less than 65	137

Conditions of Medicare patients treated by Dr. James C. O'Brien, MD in 2016

Hypertension	68
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	25
Depression	36
Chronic Kidney Disease	25
Asthma	14
Osteoperosis	4
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	31
Dementia	4
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. James C. O'Brien, MD treated as a pulmonologist in Bristol, CT during 2017 were sleep study and airway management.

Volume of procedures performed by Dr. James C. O'Brien, MD for Medicare patients.

airway management	98
doctor visit	529
sleep study	429

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. James C. O'Brien, MD.

**Gender**
Male	377
Female	299

**Ethnicity**
Non-Hispanic White	588
Black	34
Hispanic	0
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	381
From 75 to 84	167
85 and over	33
Less than 65	95

Conditions of Medicare patients treated by Dr. James C. O'Brien, MD in 2017

Hypertension	68
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	27
Depression	33
Chronic Kidney Disease	28
Asthma	9
Osteoperosis	5
Atrial Fibrilation	18
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	30
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. James C. O'Brien, MD treated as a pulmonologist in Bristol, CT during 2018 were sleep study and airway management.

Volume of procedures performed by Dr. James C. O'Brien, MD for Medicare patients.

airway management	105
doctor visit	407
sleep study	384

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. James C. O'Brien, MD.

**Gender**
Male	323
Female	234

**Ethnicity**
Non-Hispanic White	472
Black	24
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	315
From 75 to 84	129
85 and over	23
Less than 65	90

Conditions of Medicare patients treated by Dr. James C. O'Brien, MD in 2018

Hypertension	61
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	25
Depression	37
Chronic Kidney Disease	26
Asthma	8
Osteoperosis	4
Atrial Fibrilation	14
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	27
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. James C. O'Brien, MD treated as a pulmonologist in Bristol, CT during 2019 were sleep study and airway management.

Volume of procedures performed by Dr. James C. O'Brien, MD for Medicare patients.

airway management	67
doctor visit	404
sleep study	295

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. James C. O'Brien, MD.

**Gender**
Male	276
Female	220

**Ethnicity**
Non-Hispanic White	425
Black	0
Hispanic	23
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	276
From 75 to 84	111
85 and over	29
Less than 65	80

Conditions of Medicare patients treated by Dr. James C. O'Brien, MD in 2019

Hypertension	65
High Cholesterol	66
Stroke	2
Ischemic Heart Disease	26
Depression	37
Chronic Kidney Disease	32
Asthma	11
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	32
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. James C. O'Brien, MD treated as a pulmonologist in Bristol, CT during 2020 were sleep study and airway management.

Volume of procedures performed by Dr. James C. O'Brien, MD for Medicare patients.

airway management	21
doctor visit	253
sleep study	131

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. James C. O'Brien, MD.

**Gender**
Male	193
Female	124

**Ethnicity**
Non-Hispanic White	268
Black	15
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	91
85 and over	25
Less than 65	38

Conditions of Medicare patients treated by Dr. James C. O'Brien, MD in 2020

Hypertension	70
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	30
Depression	28
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	5
Atrial Fibrilation	21
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	34
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. James C. O'Brien, MD treated as a pulmonologist in Bristol, CT during 2021 were sleep study and airway management.

Volume of procedures performed by Dr. James C. O'Brien, MD for Medicare patients.

airway management	47
doctor visit	373
sleep study	201

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. James C. O'Brien, MD.

**Gender**
Male	254
Female	168

**Ethnicity**
Non-Hispanic White	368
Black	14
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	153
85 and over	19
Less than 65	46

Conditions of Medicare patients treated by Dr. James C. O'Brien, MD in 2021

Hypertension	71
High Cholesterol	72
Stroke	5
Ischemic Heart Disease	28
Depression	29
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	32
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. James C. O'Brien, MD treated as a pulmonologist in Bristol, CT during 2022 were sleep study and airway management.

Volume of procedures performed by Dr. James C. O'Brien, MD for Medicare patients.

airway management	34
doctor visit	285
sleep study	178

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. James C. O'Brien, MD.

**Gender**
Male	205
Female	149

**Ethnicity**
Non-Hispanic White	293
Black	0
Hispanic	14
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	110
85 and over	24
Less than 65	42

Conditions of Medicare patients treated by Dr. James C. O'Brien, MD in 2022

Hypertension	70
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	21
Depression	26
Chronic Kidney Disease	21
Asthma	11
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	31
Dementia	4
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. James C. O'Brien, MD for Medicare patients.

The highest averages for the top procedures that Dr. James C. O'Brien, MD treated as a pulmonologist in Bristol, CT were sleep study and airway management.

airway management	81
doctor visit	463
sleep study	293

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. James C. O'Brien, MD.

**Gender**
Male	287
Female	225

**Ethnicity**
Black / African American	16
Asian / Pacific Islander	0
Non-Hispanic White	440
Native American / Alaskan Native	0
Hispanic	14
Other	19

**Age**
75 to 84	123
85 and over	25
Less than 65	92
65 to 74	272

Average of Total of Conditions of Medicare patients treated by Dr. James C. O'Brien, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. James C. O'Brien, MD treated were hypertension, high cholesterol, depression and diabetes.

Hypertension	61
High Cholesterol	59
Stroke	3
Ischemic Heart Disease	24
Depression	29
Chronic Kidney Disease	22
Asthma	9
Osteoporosis	5
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	28
Atrial Fibrillation	14
Cancer	9
Dementia	5

Education & Training

He has a state license in Massachusetts.

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. James C. O'Brien, MD is associated with these hospitals and organizations:

Bristol Hospital

Ratings & Reviews

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General Payments

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

**Payments by Company**
Jazz Pharmaceuticals Inc.	$411 SUNOSI $187	XYWAV $141	Xyrem $83
Resmed Corp	$306 Sleep Disorder Breathing $159	Sleep Disordered Breathing $147
Harmony Biosciences LLC	$239 Wakix $239
Teva Pharmaceuticals USA, Inc.	$207 NUVIGIL $192	GRANIX $15
Inspire Medical Systems, Inc.	$125 Inspire $125
Other	$282 DALIRESP $76	BELSOMRA $26	Sleep and Respiratory Care $26	Humira $22	Horizant $21	Other $111

**Types of Payments**
Food and Beverage	$1,570

Biography

Dr. James O'Brien's areas of specialization are sleep medicine and adult pulmonology; he sees patients in Farmington, CT and Bristol, CT. He studied medicine at New York Medical College. He is professionally affiliated with Bristol Hospital.