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Home > ND Providers > Orthopedic Surgeons

Dr. Gregory W. Rennirt, MD

Accepting New Patients

(1 Rating)

Specializes in: Orthopedics/Orthopedic Surgery

University of Louisville School of Medicine

1500 14TH STREET W SUITE 300
WILLISTON, ND 58801

(701) 774-7500

Dr. Gregory W. Rennirt, MD is an orthopedist in WILLISTON, ND specializing in orthopedics/orthopedic surgery. He graduated from University of Louisville School of Medicine. Dr. Gregory W. Rennirt, MD is affiliated with CHI St. Alexius Health.

Office Locations

1500 14TH STREET W SUITE 300
WILLISTON, ND 58801

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gregory W. Rennirt, MD treated as an orthopedist in WILLISTON, ND during 2012 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Gregory W. Rennirt, MD for Medicare patients.

aspiration	230
doctor visit	431
hip imaging	14
injections	230
musculoskeletal imaging	106
X-rays	106

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory W. Rennirt, MD treated as an orthopedist in WILLISTON, ND during 2013 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Gregory W. Rennirt, MD for Medicare patients.

aspiration	223
doctor visit	419
injections	223
joint surgery	14
lower extremity surgery	14
minimally invasive procedures	14
musculoskeletal imaging	76
X-rays	76

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory W. Rennirt, MD.

**Gender**
Male	87
Female	158

**Ethnicity**
Non-Hispanic White	222
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	52
85 and over	21
Less than 65	40

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2013

Hypertension	67
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	30
Depression	24
Chronic Kidney Disease	20
Asthma	8
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory W. Rennirt, MD treated as an orthopedist in WILLISTON, ND during 2014 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Gregory W. Rennirt, MD for Medicare patients.

aspiration	291
doctor visit	474
injections	291
joint surgery	11
lower extremity surgery	11
minimally invasive procedures	11
musculoskeletal imaging	80
X-rays	80

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory W. Rennirt, MD.

**Gender**
Male	100
Female	157

**Ethnicity**
Non-Hispanic White	223
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	64
85 and over	23
Less than 65	36

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2014

Hypertension	66
High Cholesterol	58
Stroke	10
Ischemic Heart Disease	29
Depression	26
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	7
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory W. Rennirt, MD treated as an orthopedist in WILLISTON, ND during 2015 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Gregory W. Rennirt, MD for Medicare patients.

aspiration	209
doctor visit	345
injections	209
musculoskeletal imaging	68
X-rays	68

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory W. Rennirt, MD.

**Gender**
Male	182
Female	246

**Ethnicity**
Non-Hispanic White	382
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	230
From 75 to 84	104
85 and over	26
Less than 65	68

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2015

Hypertension	71
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	29
Depression	24
Chronic Kidney Disease	19
Asthma	10
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	31
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory W. Rennirt, MD treated as an orthopedist in WILLISTON, ND during 2016 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Gregory W. Rennirt, MD for Medicare patients.

aspiration	218
doctor visit	355
injections	218
musculoskeletal imaging	68
X-rays	68

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory W. Rennirt, MD.

**Gender**
Male	88
Female	124

**Ethnicity**
Non-Hispanic White	185
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	52
85 and over	20
Less than 65	28

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2016

Hypertension	70
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	29
Depression	22
Chronic Kidney Disease	24
Asthma	16
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	27
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory W. Rennirt, MD treated as an orthopedist in WILLISTON, ND during 2017 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Gregory W. Rennirt, MD for Medicare patients.

aspiration	173
doctor visit	313
injections	173
musculoskeletal imaging	74
X-rays	74

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory W. Rennirt, MD.

**Gender**
Male	91
Female	122

**Ethnicity**
Non-Hispanic White	184
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	63
85 and over	17
Less than 65	23

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2017

Hypertension	71
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	28
Depression	29
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory W. Rennirt, MD treated as an orthopedist in WILLISTON, ND during 2018 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Gregory W. Rennirt, MD for Medicare patients.

aspiration	150
decompression surgery	11
doctor visit	416
injections	150
joint surgery	11
minimally invasive procedures	11
musculoskeletal imaging	62
upper extremity surgery	11
X-rays	62

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory W. Rennirt, MD.

**Gender**
Male	104
Female	154

**Ethnicity**
Non-Hispanic White	230
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	72
85 and over	27
Less than 65	29

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2018

Hypertension	73
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	32
Depression	30
Chronic Kidney Disease	32
Asthma	5
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	14
Chronic Obstructive Pulmonary Disease	17
Diabetes	29
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory W. Rennirt, MD treated as an orthopedist in WILLISTON, ND during 2019 were aspiration and injections.

Volume of procedures performed by Dr. Gregory W. Rennirt, MD for Medicare patients.

aspiration	39
doctor visit	140
injections	39

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory W. Rennirt, MD.

**Gender**
Male	43
Female	49

**Age**
From 65 to 74	47
From 75 to 84	21
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2019

Hypertension	66
High Cholesterol	29
Stroke	0
Ischemic Heart Disease	36
Depression	33
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	22
Chronic Obstructive Pulmonary Disease	20
Diabetes	28
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory W. Rennirt, MD treated as an orthopedist in WILLISTON, ND during 2020 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Gregory W. Rennirt, MD for Medicare patients.

aspiration	36
doctor visit	188
injections	36
musculoskeletal imaging	28
X-rays	28

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory W. Rennirt, MD.

**Gender**
Male	47
Female	57

**Age**
From 65 to 74	41
From 75 to 84	26
85 and over	15
Less than 65	22

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2020

Hypertension	71
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	30
Depression	28
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	22
Diabetes	33
Dementia	12
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory W. Rennirt, MD treated as an orthopedist in WILLISTON, ND during 2021 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Gregory W. Rennirt, MD for Medicare patients.

aspiration	24
doctor visit	159
injections	24
musculoskeletal imaging	16
X-rays	16

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory W. Rennirt, MD.

**Gender**
Male	40
Female	46

**Age**
From 65 to 74	38
From 75 to 84	21
85 and over	13
Less than 65	14

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2021

Hypertension	71
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	27
Depression	23
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	0
Atrial Fibrilation	20
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Dementia	15
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2022

Hypertension	75
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

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregory W. Rennirt, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory W. Rennirt, MD treated as an orthopedist in WILLISTON, ND were aspiration, injections, X-rays and musculoskeletal imaging.

aspiration	159
decompression surgery	11
doctor visit	324
hip imaging	14
injections	159
joint surgery	12
lower extremity surgery	12
minimally invasive procedures	12
musculoskeletal imaging	64
upper extremity surgery	11
X-rays	64

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory W. Rennirt, MD.

**Gender**
Male	71
Female	101

**Ethnicity**
Black / African American	4
Asian / Pacific Islander	0
Non-Hispanic White	129
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	43
85 and over	14
Less than 65	23
65 to 74	88

Average of Total of Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD From 2012 - 2022

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

Hypertension	63
High Cholesterol	45
Stroke	1
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	22
Asthma	4
Osteoporosis	3
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Atrial Fibrillation	8
Cancer	5
Dementia	5

Education & Training

Dr. Gregory W. Rennirt, MD graduated from University of Louisville School of Medicine. He completed residency at University of Louisville Affiliated Hospitals. He has a state license in Kentucky.

Medical School: University of Louisville School of Medicine

Residency: University of Louisville Affiliated Hospitals

Licensed In: Kentucky

Affiliations & Hospitals

Dr. Gregory W. Rennirt, MD is associated with these hospitals and organizations:

CHI St. Alexius Health

Ratings & Reviews

Dr. Gregory W. Rennirt, MD has an average of 1.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Gregory W. Rennirt, MD from all over the web to help you find the right in WILLISTON, ND.

Overall Rating

(1 Rating)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 1.0 2022-06-02

I would not recommend Dr Rennirt unless your desire is to waste time. He lied to me to my face and I can’t tolerate lying from someone I’m paying for a service

General Payments

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

**Payments by Company**
Arthrex, Inc.	$5,007 ARTHREX PRODUCT LINE SHOULDER & ELBOW ARTHROSCOPY $2,001	$3,006
Alpha Orthopedic Systems	$1,447 $1,447
Medical Device Business Services, Inc.	$1,309 TRUESPAN $1,309
Smith+Nephew, Inc.	$840 Journey II BCS $734	$106
DePuy Synthes Sales Inc.	$210 MILAGRO $71	HEALIX $62	ORTHOCORD $41	Sports_Surgical $18	RIGIDLOOP $18
Other	$43 ICONIX $25	$19

**Types of Payments**
Education	$4,902
Travel and Lodging	$2,879
Food and Beverage	$1,075

Biography

Dr. Greg Rennirt is a medical specialist in orthopedics/orthopedic surgery. He attended the University of Louisville School of Medicine and subsequently trained at a hospital affiliated with the University of Louisville for residency. He is affiliated with CHI St. Alexius Health and Mercy Medical Center. Doctor.com reports that Dr. Rennirt is accepting new patients at his office in WILLISTON, ND.

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Dr. Gregory W. Rennirt, MD

Office Locations

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. Gregory W. Rennirt, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, MD in 2021

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Gregory W. Rennirt, 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. Gregory W. Rennirt, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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