In 2023, among providers in related specialties within Minnesota, Dr. Brian A. Brennan, MD performed more pulmonary function test (PFT) procedures for Medicare patients than 95% of them and he also had a list price for lung diffusion capacity test (DLCO), lung volume test, pulmonary function test (PFT), and pulmonary testing 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

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

doctor visit	15

Medicare Procedure and Patient Information

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

Hypertension	52
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

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

doctor visit	13

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian A. Brennan, MD.

**Gender**
Male	13
Female	15

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

Hypertension	54
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

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

doctor visit	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian A. Brennan, MD.

**Gender**
Male	28
Female	24

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

Hypertension	54
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

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

doctor visit	14

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian A. Brennan, MD.

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

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

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

doctor visit	15

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian A. Brennan, MD.

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

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

Hypertension	60
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

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

doctor visit	28

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian A. Brennan, MD.

**Gender**
Male	27
Female	33

**Age**
From 65 to 74	35
From 75 to 84	0
85 and over	0
Less than 65	0

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

Hypertension	42
High Cholesterol	32
Stroke	0
Ischemic Heart Disease	22
Depression	18
Chronic Kidney Disease	0
Asthma	32
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	22
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Brian A. Brennan, MD treated as an allergist and immunologist in Fergus Falls, MN during 2020 were immunotherapy and injections.

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

immunotherapy	90
injections	90

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian A. Brennan, MD.

**Gender**
Male	23
Female	26

**Age**
From 65 to 74	37
From 75 to 84	0
85 and over	0
Less than 65	0

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

Hypertension	55
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	41
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Brian A. Brennan, MD treated as an allergist and immunologist in Fergus Falls, MN during 2023 were pulmonary testing.

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

doctor visit	55
pulmonary testing	121

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian A. Brennan, MD.

**Gender**
Male	49
Female	70

**Age**
From 65 to 74	46
From 75 to 84	0
85 and over	0
Less than 65	33

Conditions of Medicare patients treated by Dr. Brian A. Brennan, MD in 2023

Hypertension	64
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	18
Depression	29
Chronic Kidney Disease	15
Asthma	29
Osteoperosis	17
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	34
Diabetes	24
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

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

The highest averages for the top procedures that Dr. Brian A. Brennan, MD treated as an allergist and immunologist in Fergus Falls, MN were pulmonary testing, immunotherapy and injections.

doctor visit	21
immunotherapy	90
injections	90
pulmonary testing	121

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Brian A. Brennan, MD.

**Gender**
Male	15
Female	18

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

**Age**
75 to 84	0
85 and over	0
Less than 65	3
65 to 74	13

Average of Total of Conditions of Medicare patients treated by Dr. Brian A. Brennan, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Brian A. Brennan, MD treated were hypertension, high cholesterol, asthma and chronic obstructive pulmonary disease.

Hypertension	42
High Cholesterol	19
Stroke	0
Ischemic Heart Disease	4
Depression	5
Chronic Kidney Disease	1
Asthma	11
Osteoporosis	1
Heart Failure	1
Chronic Obstructive Pulmonary Disease	6
Diabetes	2
Atrial Fibrillation	1
Cancer	1
Dementia	0

Education & Training

He completed residency at Georgetown University Medical Center. He has a state license in South Dakota.

Residency: Georgetown University Medical Center

Licensed In: South Dakota

Ratings & Reviews

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General Payments

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

**Payments by Company**
Teva Pharmaceuticals USA, Inc.	$1,508 QVAR $1,507	QNASL $1
Novartis Pharmaceuticals Corporation	$150 XOLAIR $150
Shire North American Group Inc	$54 FIRAZYR $54
GENZYME CORPORATION	$51 DUPIXENT $51
AstraZeneca Pharmaceuticals LP	$48 SYMBICORT $36	FASENRA $13
Other	$172 XOLAIR $41	CABENUVA $29	Auvi-Q $25	Myrbetriq $22	BREO $16	Other $40

**Types of Payments**
Honoraria	$1,500
Food and Beverage	$334
Consulting Fee	$150

Biography

Dr. Brian Brennan practices general pediatrics and allergy & immunology. He is professionally affiliated with Lake Region Healthcare. According to Doctor.com, Dr. Brennan is currently accepting new patients at his office in Fergus Falls, MN. His training includes a residency program at Georgetown University Medical Center.

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Dr. Brian A. Brennan, MD

Office Locations

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

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

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

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

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

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

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

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

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

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

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

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

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

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian A. Brennan, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Brian A. Brennan, MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

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