Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > NY Providers > Family Physicians & Family Medicine Specialists

Dr. John Peter O'Brien, MD

(175 Ratings)

Specializes in: Obstetrics and Family Medicine

State University of New York (SUNY)

132 1/2 Albany Street
Cazenoviz, NY 13035

(315) 655-8171

Dr. John Peter O'Brien, MD is an obstetrician in Cazenovia, NY specializing in obstetrics and family medicine. He graduated from State University of New York (SUNY). Dr. John Peter O'Brien, MD is affiliated with St. Joseph's Health.

Office Locations

132 1/2 Albany Street
Cazenovia, NY 13035

(315) 655-8171

open_in_new

132 1/2 Albany Street
Cazenoviz, NY 13035

(315) 655-8171

(315) 655-5923

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. John Peter O'Brien, MD in 2024

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

Top 5%

By Volume:

complete blood count

screening PSA test

By Affordability:

antigen tests

blood count tests

blood draw

blood draw for lab tests

cholesterol screening

complete blood count

lipid profile

phlebotomy for lab tests

preventive care

screening test

venipuncture

In 2024, among providers in related specialties within New York, Dr. John Peter O'Brien, MD performed more complete blood count (CBC), and screening PSA test procedures for Medicare patients than 95% of them and he also had a list price for antigen tests, blood count tests, blood draw, blood draw for lab tests, cholesterol screening, complete blood count (CBC), lipid profile, phlebotomy for lab tests, preventive care, screening test, and venipuncture (phlebotomy) 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 25%

By Volume:

blood draw

lab tests

phlebotomy for lab tests

In 2012, Dr. John Peter O'Brien, MD performed more blood draw, lab tests, and phlebotomy for lab tests procedures for Medicare patients than 75% of providers in related specialties within New York.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2012 were hospital care, inpatient care, blood draw and lab tests.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

blood draw	91
doctor visit	227
hospital care	181
inpatient care	181
lab tests	50
preventive care	28
vaccines	28

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2013 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

doctor visit	243
hospital care	225
inpatient care	225
lab tests	15
preventive care	63
vaccines	63

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	105
Female	137

**Ethnicity**
Non-Hispanic White	220
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	58
85 and over	60
Less than 65	50

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2013

Hypertension	75
High Cholesterol	52
Stroke	7
Ischemic Heart Disease	47
Depression	32
Chronic Kidney Disease	30
Asthma	11
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	28
Chronic Obstructive Pulmonary Disease	24
Diabetes	34
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2014 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

doctor visit	367
hospital care	158
inpatient care	158
lab tests	19
preventive care	20
vaccines	20

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	139
Female	159

**Ethnicity**
Non-Hispanic White	243
Black	29
Hispanic	0
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	75
85 and over	47
Less than 65	88

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2014

Hypertension	70
High Cholesterol	41
Stroke	5
Ischemic Heart Disease	37
Depression	26
Chronic Kidney Disease	30
Asthma	9
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	23
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2015 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

doctor visit	413
hospital care	94
inpatient care	94
lab tests	12
preventive care	86
vaccines	86

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	248
Female	376

**Ethnicity**
Non-Hispanic White	528
Black	62
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	144
85 and over	120
Less than 65	182

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2015

Hypertension	72
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	29
Asthma	21
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	26
Diabetes	37
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2016 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

doctor visit	432
hospital care	128
inpatient care	117
lab tests	16
outpatient care	11
preventive care	49
vaccines	49

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	143
Female	190

**Ethnicity**
Non-Hispanic White	281
Black	28
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	108
From 75 to 84	81
85 and over	46
Less than 65	98

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2016

Hypertension	67
High Cholesterol	42
Stroke	5
Ischemic Heart Disease	35
Depression	34
Chronic Kidney Disease	29
Asthma	31
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	26
Diabetes	33
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2017 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

doctor visit	411
hospital care	150
inpatient care	138
outpatient care	12
preventive care	37
vaccines	37

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	157
Female	189

**Ethnicity**
Non-Hispanic White	294
Black	28
Hispanic	0
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	87
85 and over	46
Less than 65	103

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2017

Hypertension	65
High Cholesterol	44
Stroke	5
Ischemic Heart Disease	34
Depression	29
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	22
Chronic Obstructive Pulmonary Disease	27
Diabetes	38
Dementia	15
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2018 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

doctor visit	379
hospital care	198
inpatient care	198
lab tests	18
preventive care	15
vaccines	15

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	160
Female	157

**Ethnicity**
Non-Hispanic White	267
Black	26
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	82
85 and over	48
Less than 65	99

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2018

Hypertension	69
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	38
Depression	32
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	25
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2019 were hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

doctor visit	330
hospital care	51
inpatient care	51
lab tests	17

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	127
Female	147

**Ethnicity**
Non-Hispanic White	230
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	64
85 and over	37
Less than 65	72

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2019

Hypertension	62
High Cholesterol	43
Stroke	5
Ischemic Heart Disease	36
Depression	35
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	26
Chronic Obstructive Pulmonary Disease	25
Diabetes	32
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

doctor visit	221
hospital care	133
inpatient care	133

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	124
Female	145

**Ethnicity**
Non-Hispanic White	232
Black	17
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	85
85 and over	32
Less than 65	66

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2020

Hypertension	65
High Cholesterol	48
Stroke	4
Ischemic Heart Disease	38
Depression	33
Chronic Kidney Disease	39
Asthma	4
Osteoperosis	8
Atrial Fibrilation	18
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2021 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

doctor visit	293
hospital care	103
inpatient care	103
preventive care	11
vaccines	11

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	125
Female	121

**Ethnicity**
Non-Hispanic White	208
Black	25
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	64
85 and over	34
Less than 65	58

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2021

Hypertension	70
High Cholesterol	51
Stroke	7
Ischemic Heart Disease	39
Depression	24
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	23
Chronic Obstructive Pulmonary Disease	22
Diabetes	30
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2022 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

doctor visit	303
hospital care	114
inpatient care	114
preventive care	11
vaccines	11

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	135
Female	140

**Ethnicity**
Non-Hispanic White	233
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	103
From 75 to 84	74
85 and over	43
Less than 65	55

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2022

Hypertension	75
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	29
Depression	23
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	20
Chronic Obstructive Pulmonary Disease	22
Diabetes	29
Dementia	11
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

doctor visit	297
hospital care	61
inpatient care	61

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	124
Female	118

**Ethnicity**
Non-Hispanic White	208
Black	17
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	70
85 and over	39
Less than 65	44

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2023

Hypertension	74
High Cholesterol	58
Stroke	9
Ischemic Heart Disease	22
Depression	24
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	14
Atrial Fibrilation	20
Heart Failure	22
Chronic Obstructive Pulmonary Disease	20
Diabetes	27
Dementia	8
Cancer	16

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY during 2024 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

blood draw	70
diabetes management	20
doctor visit	304
hospital care	69
inpatient care	69
lab tests	162
preventive care	66

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	113
Female	118

**Ethnicity**
Non-Hispanic White	192
Black	23
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	67
85 and over	40
Less than 65	36

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2024

Hypertension	70
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	25
Depression	23
Chronic Kidney Disease	14
Asthma	10
Osteoperosis	15
Atrial Fibrilation	21
Heart Failure	18
Chronic Obstructive Pulmonary Disease	20
Diabetes	25
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. John Peter O'Brien, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Peter O'Brien, MD treated as an obstetrician in Cazenovia, NY were hospital care, inpatient care, blood draw and lab tests.

blood draw	80
diabetes management	20
doctor visit	324
hospital care	128
inpatient care	126
lab tests	38
outpatient care	11
preventive care	38
vaccines	35

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. John Peter O'Brien, MD.

**Gender**
Male	130
Female	153

**Ethnicity**
Black / African American	23
Asian / Pacific Islander	1
Non-Hispanic White	241
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	73
85 and over	45
Less than 65	73
65 to 74	92

Average of Total of Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. John Peter O'Brien, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	64
High Cholesterol	45
Stroke	5
Ischemic Heart Disease	32
Depression	26
Chronic Kidney Disease	26
Asthma	10
Osteoporosis	8
Heart Failure	21
Chronic Obstructive Pulmonary Disease	21
Diabetes	29
Atrial Fibrillation	15
Cancer	12
Dementia	11

Education & Training

Dr. John Peter O'Brien, MD graduated from State University of New York (SUNY). He completed residency at Saint Joseph's Hospital Health Center. He is certified by the American Board of Family Medicine and has a state license in New York.

Medical School: State University of New York (SUNY)

Residency: Saint Joseph's Hospital Health Center

Board Certification: American Board of Family Medicine

Licensed In: New York

Ratings & Reviews

Dr. John Peter O'Brien, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 175 ratings. We collect ratings and reviews of Dr. John Peter O'Brien, MD from all over the web to help you find the right in Cazenovia, NY.

Overall Rating

(175 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Tosoh Bioscience, Inc.	$837 TSH, ST AIA-PACK $837
AbbVie Inc.	$59 UBRELVY $35	QULIPTA $24
Arbor Pharmaceuticals, Inc.	$43 Horizant $43
Biosense Webster, Inc.	$24 Carto 3 System $24
Pfizer Inc.	$22 COLOGUARD DNA CAPTURE REAGENTS $22
Other	$104 TRELEGY ELLIPTA $19	BYSTOLIC $18	Inspire $17	AJOVY $16	BUTRANS $12	Other $21

**Types of Payments**
Gift	$837
Food and Beverage	$252

Biography

Dr. John O'Brien's areas of specialization are family medicine and obstetrics. He is rated 5.0 stars (out of 5) by his patients. Clinical interests for Dr. O'Brien include primary care. Dr. O'Brien graduated from State University of New York (SUNY). Dr. O'Brien is affiliated with St. Joseph's Health. St. Joseph's Health reports that he is closed to new patients at this time.

Select Year:

Dr. John Peter O'Brien, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John Peter O'Brien, MD in 2024

By Volume:

By Affordability:

By Volume:

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. John Peter O'Brien, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. John Peter O'Brien, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

Family Physicians & Family Medicine Specialists in Nearby Locations

Other Providers in Cazenovia, NY