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Home > MN Providers > Family Physicians & Family Medicine Specialists

Dr. Brett P. Nienaber, MD

Accepting New Patients

(226 Ratings)

Specializes in: Family Medicine

University of Minnesota Medical School

523 N 3rd Street
Brainerd, MN 56401

(218) 829-2861

Dr. Brett P. Nienaber, MD is a family medicine practitioner in Pequot Lakes, MN specializing in family medicine. He graduated from University of Minnesota Medical School. Dr. Brett P. Nienaber, MD is affiliated with Essentia Health.

Office Locations

4317 W Woodman Street
Pequot Lakes, MN 56472

open_in_new

Essentia Health

523 N 3rd Street
Brainerd, MN 56401

(218) 829-2861

(218) 828-3103

open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Brett P. Nienaber, MD treated as a family medicine practitioner in Pequot Lakes, MN during 2012 were emergency care, hospital care and inpatient care.

Volume of procedures performed by Dr. Brett P. Nienaber, MD for Medicare patients.

doctor visit	642
emergency care	273
hospital care	21
inpatient care	21

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Brett P. Nienaber, MD treated as a family medicine practitioner in Pequot Lakes, MN during 2013 were emergency care.

Volume of procedures performed by Dr. Brett P. Nienaber, MD for Medicare patients.

doctor visit	658
emergency care	253

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Brett P. Nienaber, MD.

**Gender**
Male	219
Female	254

**Ethnicity**
Non-Hispanic White	457
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	152
85 and over	72
Less than 65	128

Conditions of Medicare patients treated by Dr. Brett P. Nienaber, MD in 2013

Hypertension	59
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	29
Depression	30
Chronic Kidney Disease	26
Asthma	12
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	25
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Brett P. Nienaber, MD treated as a family medicine practitioner in Pequot Lakes, MN during 2014 were emergency care.

Volume of procedures performed by Dr. Brett P. Nienaber, MD for Medicare patients.

doctor visit	624
emergency care	191

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Brett P. Nienaber, MD.

**Gender**
Male	204
Female	193

**Ethnicity**
Non-Hispanic White	379
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	114
85 and over	72
Less than 65	101

Conditions of Medicare patients treated by Dr. Brett P. Nienaber, MD in 2014

Hypertension	62
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	29
Depression	27
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Brett P. Nienaber, MD treated as a family medicine practitioner in Pequot Lakes, MN during 2015 were emergency care.

Volume of procedures performed by Dr. Brett P. Nienaber, MD for Medicare patients.

doctor visit	543
emergency care	188

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Brett P. Nienaber, MD.

**Gender**
Male	384
Female	388

**Ethnicity**
Non-Hispanic White	742
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	218
From 75 to 84	216
85 and over	138
Less than 65	200

Conditions of Medicare patients treated by Dr. Brett P. Nienaber, MD in 2015

Hypertension	63
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	29
Depression	28
Chronic Kidney Disease	25
Asthma	14
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Brett P. Nienaber, MD treated as a family medicine practitioner in Pequot Lakes, MN during 2016 were emergency care.

Volume of procedures performed by Dr. Brett P. Nienaber, MD for Medicare patients.

doctor visit	518
emergency care	182

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Brett P. Nienaber, MD.

**Gender**
Male	180
Female	190

**Ethnicity**
Non-Hispanic White	351
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	101
85 and over	56
Less than 65	106

Conditions of Medicare patients treated by Dr. Brett P. Nienaber, MD in 2016

Hypertension	63
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	28
Depression	29
Chronic Kidney Disease	26
Asthma	19
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Brett P. Nienaber, MD treated as a family medicine practitioner in Pequot Lakes, MN during 2017 were emergency care.

Volume of procedures performed by Dr. Brett P. Nienaber, MD for Medicare patients.

doctor visit	541
emergency care	187

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Brett P. Nienaber, MD.

**Gender**
Male	201
Female	198

**Ethnicity**
Non-Hispanic White	381
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	113
85 and over	59
Less than 65	106

Conditions of Medicare patients treated by Dr. Brett P. Nienaber, MD in 2017

Hypertension	65
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	30
Depression	31
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Brett P. Nienaber, MD treated as a family medicine practitioner in Pequot Lakes, MN during 2018 were emergency care.

Volume of procedures performed by Dr. Brett P. Nienaber, MD for Medicare patients.

doctor visit	525
emergency care	148

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Brett P. Nienaber, MD.

**Gender**
Male	185
Female	179

**Ethnicity**
Non-Hispanic White	348
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	103
From 75 to 84	102
85 and over	61
Less than 65	98

Conditions of Medicare patients treated by Dr. Brett P. Nienaber, MD in 2018

Hypertension	62
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	29
Depression	29
Chronic Kidney Disease	34
Asthma	8
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	18
Diabetes	28
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Brett P. Nienaber, MD treated as a family medicine practitioner in Pequot Lakes, MN during 2019 were emergency care.

Volume of procedures performed by Dr. Brett P. Nienaber, MD for Medicare patients.

doctor visit	777
emergency care	180

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Brett P. Nienaber, MD.

**Gender**
Male	253
Female	228

**Ethnicity**
Non-Hispanic White	462
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	161
85 and over	64
Less than 65	88

Conditions of Medicare patients treated by Dr. Brett P. Nienaber, MD in 2019

Hypertension	66
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	33
Depression	27
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	28
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Brett P. Nienaber, MD treated as a family medicine practitioner in Pequot Lakes, MN during 2020 were emergency care.

Volume of procedures performed by Dr. Brett P. Nienaber, MD for Medicare patients.

doctor visit	585
emergency care	152

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Brett P. Nienaber, MD.

**Gender**
Male	215
Female	187

**Ethnicity**
Non-Hispanic White	388
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	130
85 and over	61
Less than 65	79

Conditions of Medicare patients treated by Dr. Brett P. Nienaber, MD in 2020

Hypertension	65
High Cholesterol	62
Stroke	3
Ischemic Heart Disease	36
Depression	27
Chronic Kidney Disease	33
Asthma	10
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	17
Diabetes	27
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Brett P. Nienaber, MD treated as a family medicine practitioner in Pequot Lakes, MN during 2021 were emergency care and chronic care.

Volume of procedures performed by Dr. Brett P. Nienaber, MD for Medicare patients.

chronic care	54
doctor visit	631
emergency care	139

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Brett P. Nienaber, MD.

**Gender**
Male	221
Female	170

**Ethnicity**
Non-Hispanic White	375
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	122
85 and over	67
Less than 65	71

Conditions of Medicare patients treated by Dr. Brett P. Nienaber, MD in 2021

Hypertension	65
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	38
Depression	28
Chronic Kidney Disease	35
Asthma	7
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Brett P. Nienaber, MD treated as a family medicine practitioner in Pequot Lakes, MN during 2022 were emergency care.

Volume of procedures performed by Dr. Brett P. Nienaber, MD for Medicare patients.

doctor visit	599
emergency care	144

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Brett P. Nienaber, MD.

**Gender**
Male	191
Female	181

**Ethnicity**
Non-Hispanic White	358
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	125
85 and over	62
Less than 65	62

Conditions of Medicare patients treated by Dr. Brett P. Nienaber, MD in 2022

Hypertension	71
High Cholesterol	71
Stroke	8
Ischemic Heart Disease	21
Depression	24
Chronic Kidney Disease	22
Asthma	11
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	13
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	5
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Brett P. Nienaber, MD for Medicare patients.

The highest averages for the top procedures that Dr. Brett P. Nienaber, MD treated as a family medicine practitioner in Pequot Lakes, MN were emergency care, chronic care, hospital care and inpatient care.

chronic care	54
doctor visit	603
emergency care	185
hospital care	21
inpatient care	21

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Brett P. Nienaber, MD.

**Gender**
Male	204
Female	197

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	385
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	121
85 and over	64
Less than 65	94
65 to 74	121

Average of Total of Conditions of Medicare patients treated by Dr. Brett P. Nienaber, MD From 2012 - 2022

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

Hypertension	58
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	27
Depression	25
Chronic Kidney Disease	27
Asthma	9
Osteoporosis	6
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	24
Atrial Fibrillation	11
Cancer	12
Dementia	10

Education & Training

Dr. Brett P. Nienaber, MD graduated from University of Minnesota Medical School. He completed residency at Hennepin County Medical Center. He is certified by the American Board of Family Medicine and has a state license in Minnesota.

Medical School: University of Minnesota Medical School

Residency: Hennepin County Medical Center

Board Certification: American Board of Family Medicine

Licensed In: Minnesota

Affiliations & Hospitals

Dr. Brett P. Nienaber, MD is associated with these hospitals and organizations:

Essentia Health

Ratings & Reviews

Dr. Brett P. Nienaber, MD has an exceptional overall rating with an average of 4.79 out of 5 stars based on 226 ratings. We collect ratings and reviews of Dr. Brett P. Nienaber, MD from all over the web to help you find the right in Pequot Lakes, MN.

4.79

Overall Rating

(226 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 3.0 2024-10-10

Patient verified via Press Ganey

Dr. Seems anxious and in a hurry to get to the next patient and not given time for discussion and explanations

Overall Rating: 5.0 2025-02-18

Patient verified via Press Ganey

Dr Ninaber has my respect and absolute confidence as a experence, professional and caring Doctor.

Overall Rating: 5.0 2024-03-13

Patient verified via Press Ganey

Very experienced MD and the NP is like a MD. Outstanding care and confidence in their diagnosis

Overall Rating: 5.0 2025-07-29

Patient verified via Press Ganey

I would highly recommend the clinic but I live in western Colorado

Overall Rating: 5.0 2024-12-07

Patient verified via Press Ganey

Dr Neinaber is excellent in his interactions with me

Overall Rating: 3.0 2025-04-02

Patient verified via Press Ganey

Seemed to dismiss my issue with no further tests

Overall Rating: 5.0 2024-02-13

Patient verified via Press Ganey

Dr. Nienaber is one of the best. Thank you!

Overall Rating: 5.0 2026-02-21

Patient verified via Press Ganey

Fast and efficient

Overall Rating: 5.0 2025-01-22

Patient verified via Press Ganey

Went well

Overall Rating: 5.0 2025-10-22

Patient verified via Press Ganey

Good

Biography

Dr. Brett Nienaber is a family medicine specialist in Pequot Lakes, MN and Brainerd, MN. Dr. Nienaber's average patient rating is 5.0 stars (out of 5). His professional affiliations include St. Joseph's Hospital and Essentia Health. His practice in Pequot Lakes, MN is open to new patients as reported by Doctor.com. Dr. Nienaber graduated from the University of Minnesota Medical School. His training includes a residency program at Hennepin County Medical Center.