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Dr. John Brennan, MD

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Specializes in: Cytopathology

700 E Broad Street
Hazleton, PA 18201

(570) 501-4156

Dr. John Brennan, MD is a cytopathologist in Hazleton, PA specializing in cytopathology.

Office Locations

700 E Broad Street
Hazleton, PA 18201

(570) 501-4156

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Noteworthy Medicare Patient Procedures Performed by Dr. John Brennan, MD in 2023

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

Top 25%

By Affordability:

immunohistochemistry test

In 2012, Dr. John Brennan, MD had a list price for immunohistochemistry (IHC) test that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Pennsylvania. 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. John Brennan, MD treated as a cytopathologist in Hazleton, PA during 2012 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. John Brennan, MD for Medicare patients.

consultation	22
cytology	130
lab tests	1831

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Brennan, MD treated as a cytopathologist in Hazleton, PA during 2013 were lab tests and cytology.

Volume of procedures performed by Dr. John Brennan, MD for Medicare patients.

cytology	65
lab tests	1885

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Brennan, MD.

**Gender**
Male	487
Female	584

**Ethnicity**
Non-Hispanic White	1024
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	421
From 75 to 84	334
85 and over	135
Less than 65	181

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	45
Depression	25
Chronic Kidney Disease	25
Asthma	7
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	37
Dementia	10
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Brennan, MD treated as a cytopathologist in Hazleton, PA during 2014 were lab tests and cytology.

Volume of procedures performed by Dr. John Brennan, MD for Medicare patients.

cytology	52
lab tests	1150

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Brennan, MD.

**Gender**
Male	481
Female	593

**Ethnicity**
Non-Hispanic White	1035
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	432
From 75 to 84	325
85 and over	115
Less than 65	202

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	47
Depression	28
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	9
Cancer	18

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Brennan, MD treated as a cytopathologist in Hazleton, PA during 2015 were lab tests and cytology.

Volume of procedures performed by Dr. John Brennan, MD for Medicare patients.

cytology	59
lab tests	965

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Brennan, MD.

**Gender**
Male	934
Female	1174

**Ethnicity**
Non-Hispanic White	2034
Black	0
Hispanic	48
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	786
From 75 to 84	666
85 and over	214
Less than 65	442

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2015

Hypertension	75
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	45
Depression	27
Chronic Kidney Disease	30
Asthma	16
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	24
Diabetes	38
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Brennan, MD treated as a cytopathologist in Hazleton, PA during 2016 were lab tests.

Volume of procedures performed by Dr. John Brennan, MD for Medicare patients.

lab tests	744

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Brennan, MD.

**Gender**
Male	389
Female	491

**Ethnicity**
Non-Hispanic White	841
Black	0
Hispanic	14
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	344
From 75 to 84	253
85 and over	113
Less than 65	170

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2016

Hypertension	75
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	42
Depression	25
Chronic Kidney Disease	35
Asthma	24
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	22
Diabetes	37
Dementia	10
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Brennan, MD treated as a cytopathologist in Hazleton, PA during 2017 were lab tests and cytology.

Volume of procedures performed by Dr. John Brennan, MD for Medicare patients.

cytology	145
lab tests	839

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Brennan, MD.

**Gender**
Male	534
Female	599

**Ethnicity**
Non-Hispanic White	1073
Black	0
Hispanic	24
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	494
From 75 to 84	342
85 and over	129
Less than 65	168

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2017

Hypertension	75
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	39
Depression	22
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	9
Cancer	18

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Brennan, MD treated as a cytopathologist in Hazleton, PA during 2018 were lab tests and cytology.

Volume of procedures performed by Dr. John Brennan, MD for Medicare patients.

cytology	66
lab tests	574

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Brennan, MD.

**Gender**
Male	362
Female	341

**Ethnicity**
Non-Hispanic White	675
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	378
From 75 to 84	199
85 and over	41
Less than 65	85

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2018

Hypertension	71
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	33
Depression	18
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	4
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Brennan, MD treated as a cytopathologist in Hazleton, PA during 2019 were lab tests.

Volume of procedures performed by Dr. John Brennan, MD for Medicare patients.

lab tests	658

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Brennan, MD.

**Gender**
Male	229
Female	248

**Ethnicity**
Non-Hispanic White	456
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	302
From 75 to 84	107
85 and over	13
Less than 65	55

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2019

Hypertension	70
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	23
Depression	18
Chronic Kidney Disease	23
Asthma	4
Osteoperosis	8
Atrial Fibrilation	4
Heart Failure	4
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	2
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Brennan, MD treated as a cytopathologist in Hazleton, PA during 2020 were lab tests.

Volume of procedures performed by Dr. John Brennan, MD for Medicare patients.

lab tests	346

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Brennan, MD.

**Gender**
Male	199
Female	183

**Ethnicity**
Non-Hispanic White	367
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	92
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2020

Hypertension	71
High Cholesterol	67
Stroke	3
Ischemic Heart Disease	21
Depression	14
Chronic Kidney Disease	25
Asthma	4
Osteoperosis	7
Atrial Fibrilation	5
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	26
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Brennan, MD treated as a cytopathologist in Hazleton, PA during 2021 were lab tests.

Volume of procedures performed by Dr. John Brennan, MD for Medicare patients.

lab tests	159

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Brennan, MD.

**Gender**
Male	208
Female	231

**Ethnicity**
Non-Hispanic White	414
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	290
From 75 to 84	113
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2021

Hypertension	73
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	24
Depression	20
Chronic Kidney Disease	24
Asthma	5
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	26
Dementia	3
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Brennan, MD treated as a cytopathologist in Hazleton, PA during 2022 were lab tests.

Volume of procedures performed by Dr. John Brennan, MD for Medicare patients.

lab tests	72

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Brennan, MD.

**Gender**
Male	165
Female	196

**Ethnicity**
Non-Hispanic White	339
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	106
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	18
Depression	17
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	4
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Brennan, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Brennan, MD treated as a cytopathologist in Hazleton, PA were lab tests, cytology and consultation.

consultation	22
cytology	86
lab tests	838

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Brennan, MD.

**Gender**
Male	362
Female	421

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	750
Native American / Alaskan Native	0
Hispanic	12
Other	4

**Age**
75 to 84	230
85 and over	69
Less than 65	118
65 to 74	355

Average of Total of Conditions of Medicare patients treated by Dr. John Brennan, MD From 2012 - 2022

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

Hypertension	66
High Cholesterol	60
Stroke	3
Ischemic Heart Disease	30
Depression	19
Chronic Kidney Disease	24
Asthma	7
Osteoporosis	7
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Atrial Fibrillation	9
Dementia	5
Cancer	13

Education & Training

He has a state license in Pennsylvania.

Licensed In: Pennsylvania

Ratings & Reviews

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General Payments

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

**Payments by Company**
Bayer HealthCare LLC	$73 Angiojet $73
Gilead Sciences Inc	$42 Sovaldi $42

**Types of Payments**
Food and Beverage	$115

Biography

Dr. John Brennan, who practices in Hazleton, PA, is a medical specialist in cytopathology. Dr. Brennan has obtained a license to practice in Pennsylvania.

Select Year:

Dr. John Brennan, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John Brennan, MD in 2023

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. John Brennan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Brennan, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. John Brennan, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Other Providers in Hazleton, PA