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Home > WI Providers > Orthopedic Surgeons

Dr. David Nilsen, DO

Accepting New Patients

(12 Ratings)

Specializes in: Orthopedics/Orthopedic Surgery

Michigan State University College of Osteopathic Medicine

3530 S Val Vista Drive Suite B105
Gilbert, AZ 85297

(480) 899-4333

Dr. David Nilsen, DO is an orthopedist in JANESVILLE, WI specializing in orthopedics/orthopedic surgery. He graduated from Michigan State University College of Osteopathic Medicine. Dr. David Nilsen, DO is affiliated with Dignity Health and Mercy Gilbert Medical Center Arizona General Hospital - Mesa.

Office Locations

557 N WASHINGTON STREET
JANESVILLE, WI 53548

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Mercy Gilbert Medical Center Arizona General Hospital - Mesa

3530 S Val Vista Drive Suite B105
Gilbert, AZ 85297

(480) 899-4333

(480) 899-7219

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Noteworthy Medicare Patient Procedures Performed by Dr. David Nilsen, DO in 2023

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

Top 5%

By Affordability:

joint X-ray

knee X-ray

X-rays

In 2023, Dr. David Nilsen, DO had a list price for joint X-ray, knee X-ray, and X-rays that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Wisconsin. 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:

knee X-ray

major joint aspiration

major joint injection

In 2012, Dr. David Nilsen, DO performed more knee X-ray, major joint aspiration, and major joint injection procedures for Medicare patients than 75% of providers in related specialties within Wisconsin.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. David Nilsen, DO treated as an orthopedist in JANESVILLE, WI during 2012 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. David Nilsen, DO for Medicare patients.

aspiration	176
doctor visit	369
hip imaging	37
injections	176
musculoskeletal imaging	60
X-rays	60

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David Nilsen, DO treated as an orthopedist in JANESVILLE, WI during 2013 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. David Nilsen, DO for Medicare patients.

aspiration	222
doctor visit	402
hip imaging	34
injections	222
musculoskeletal imaging	67
thoracic (chest) imaging	28
X-rays	95

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David Nilsen, DO.

**Gender**
Male	101
Female	135

**Ethnicity**
Non-Hispanic White	196
Black	0
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	43
85 and over	12
Less than 65	41

Conditions of Medicare patients treated by Dr. David Nilsen, DO in 2013

Hypertension	70
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	28
Depression	26
Chronic Kidney Disease	18
Asthma	7
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	28
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David Nilsen, DO treated as an orthopedist in JANESVILLE, WI during 2014 were injections, aspiration, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. David Nilsen, DO for Medicare patients.

aspiration	258
doctor visit	419
hip imaging	40
injections	278
musculoskeletal imaging	88
pain management	20
pelvic imaging	16
thoracic (chest) imaging	21
X-rays	147

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David Nilsen, DO.

**Gender**
Male	119
Female	141

**Ethnicity**
Non-Hispanic White	227
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	53
85 and over	15
Less than 65	28

Conditions of Medicare patients treated by Dr. David Nilsen, DO in 2014

Hypertension	66
High Cholesterol	50
Stroke	8
Ischemic Heart Disease	31
Depression	23
Chronic Kidney Disease	23
Asthma	10
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David Nilsen, DO treated as an orthopedist in JANESVILLE, WI during 2015 were injections, aspiration, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. David Nilsen, DO for Medicare patients.

aspiration	192
doctor visit	429
hip imaging	60
hospital care	24
injections	211
inpatient care	24
joint surgery	12
lower extremity surgery	12
musculoskeletal imaging	84
pain management	19
reconstructive surgery	12
thoracic (chest) imaging	12
X-rays	96

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David Nilsen, DO.

**Gender**
Male	228
Female	350

**Ethnicity**
Non-Hispanic White	512
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	330
From 75 to 84	148
85 and over	38
Less than 65	62

Conditions of Medicare patients treated by Dr. David Nilsen, DO in 2015

Hypertension	67
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	28
Depression	29
Chronic Kidney Disease	22
Asthma	15
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David Nilsen, DO treated as an orthopedist in JANESVILLE, WI during 2016 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. David Nilsen, DO for Medicare patients.

aspiration	237
doctor visit	372
injections	237
joint surgery	11
lower extremity surgery	11
musculoskeletal imaging	48
reconstructive surgery	11
X-rays	48

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David Nilsen, DO.

**Gender**
Male	123
Female	157

**Ethnicity**
Non-Hispanic White	237
Black	13
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	174
From 75 to 84	65
85 and over	12
Less than 65	29

Conditions of Medicare patients treated by Dr. David Nilsen, DO in 2016

Hypertension	67
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	26
Depression	19
Chronic Kidney Disease	26
Asthma	18
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	8
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David Nilsen, DO treated as an orthopedist in JANESVILLE, WI during 2017 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. David Nilsen, DO for Medicare patients.

aspiration	234
doctor visit	348
injections	234
joint surgery	43
lower extremity surgery	43
minimally invasive procedures	12
musculoskeletal imaging	46
reconstructive surgery	31
thoracic (chest) imaging	15
X-rays	61

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David Nilsen, DO.

**Gender**
Male	111
Female	167

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

**Age**
From 65 to 74	184
From 75 to 84	63
85 and over	15
Less than 65	16

Conditions of Medicare patients treated by Dr. David Nilsen, DO in 2017

Hypertension	66
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	23
Asthma	9
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	23
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David Nilsen, DO treated as an orthopedist in JANESVILLE, WI during 2018 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. David Nilsen, DO for Medicare patients.

aspiration	294
doctor visit	433
fracture surgery	13
injections	294
joint surgery	54
lower extremity surgery	54
musculoskeletal imaging	56
open surgery	13
reconstructive surgery	54
X-rays	56

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David Nilsen, DO.

**Gender**
Male	148
Female	221

**Ethnicity**
Non-Hispanic White	316
Black	0
Hispanic	35
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	232
From 75 to 84	94
85 and over	21
Less than 65	22

Conditions of Medicare patients treated by Dr. David Nilsen, DO in 2018

Hypertension	68
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David Nilsen, DO treated as an orthopedist in JANESVILLE, WI during 2019 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. David Nilsen, DO for Medicare patients.

aspiration	289
doctor visit	355
injections	289
joint surgery	28
lower extremity surgery	28
musculoskeletal imaging	49
reconstructive surgery	28
X-rays	49

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David Nilsen, DO.

**Gender**
Male	125
Female	195

**Ethnicity**
Non-Hispanic White	275
Black	11
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	87
85 and over	17
Less than 65	14

Conditions of Medicare patients treated by Dr. David Nilsen, DO in 2019

Hypertension	66
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	28
Depression	24
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	5
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David Nilsen, DO treated as an orthopedist in JANESVILLE, WI during 2020 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. David Nilsen, DO for Medicare patients.

aspiration	149
doctor visit	229
injections	149
musculoskeletal imaging	32
X-rays	32

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David Nilsen, DO.

**Gender**
Male	94
Female	148

**Ethnicity**
Non-Hispanic White	205
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	74
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Nilsen, DO in 2020

Hypertension	69
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	37
Depression	24
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	17
Diabetes	25
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David Nilsen, DO treated as an orthopedist in JANESVILLE, WI during 2021 were aspiration and injections.

Volume of procedures performed by Dr. David Nilsen, DO for Medicare patients.

aspiration	120
doctor visit	239
injections	120

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David Nilsen, DO.

**Gender**
Male	52
Female	74

**Ethnicity**
Non-Hispanic White	112
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	43
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Nilsen, DO in 2021

Hypertension	69
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	29
Depression	24
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	20
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David Nilsen, DO treated as an orthopedist in JANESVILLE, WI during 2022 were aspiration and injections.

Volume of procedures performed by Dr. David Nilsen, DO for Medicare patients.

aspiration	71
doctor visit	143
injections	71

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David Nilsen, DO.

**Gender**
Male	39
Female	88

**Age**
From 65 to 74	61
From 75 to 84	46
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Nilsen, DO in 2022

Hypertension	72
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	22
Depression	28
Chronic Kidney Disease	20
Asthma	9
Osteoperosis	18
Atrial Fibrilation	22
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	24
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. David Nilsen, DO for Medicare patients.

The highest averages for the top procedures that Dr. David Nilsen, DO treated as an orthopedist in JANESVILLE, WI were injections, aspiration, X-rays and musculoskeletal imaging.

aspiration	203
doctor visit	339
fracture surgery	13
hip imaging	42
hospital care	24
injections	207
inpatient care	24
joint surgery	29
lower extremity surgery	29
minimally invasive procedures	12
musculoskeletal imaging	58
open surgery	13
pain management	19
pelvic imaging	16
reconstructive surgery	27
thoracic (chest) imaging	19
X-rays	71

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. David Nilsen, DO.

**Gender**
Male	103
Female	152

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	0
Non-Hispanic White	211
Native American / Alaskan Native	0
Hispanic	15
Other	0

**Age**
75 to 84	65
85 and over	11
Less than 65	19
65 to 74	154

Average of Total of Conditions of Medicare patients treated by Dr. David Nilsen, DO From 2012 - 2022

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

Hypertension	61
High Cholesterol	51
Stroke	2
Ischemic Heart Disease	25
Depression	21
Chronic Kidney Disease	22
Asthma	10
Osteoporosis	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Atrial Fibrillation	10
Dementia	4
Cancer	10

Education & Training

Dr. David Nilsen, DO graduated from Michigan State University College of Osteopathic Medicine. He is certified by the Am Os Bd Orthopaedic Surgery and has a state license in Arizona.

Medical School: Michigan State University College of Osteopathic Medicine

Board Certification: Am Os Bd Orthopaedic Surgery

Licensed In: Arizona

Affiliations & Hospitals

Dr. David Nilsen, DO is associated with these hospitals and organizations:

Dignity Health

Mercy Gilbert Medical Center Arizona General Hospital - Mesa

Ratings & Reviews

Dr. David Nilsen, DO has a high overall rating with an average of 4.25 out of 5 stars based on 12 ratings. We collect ratings and reviews of Dr. David Nilsen, DO from all over the web to help you find the right in JANESVILLE, WI.

4.25

Overall Rating

(12 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 4.0 2025-04-01

Patient verified via Press Ganey

Dr Nilson was very good. I would recommend him to people who ask for a recommendation.

Overall Rating: 5.0 2026-02-19

Patient verified via Press Ganey

Dr listened and cared about my concerns. Dr addressed them all.

Overall Rating: 5.0 2024-09-05

Patient verified via Press Ganey

The Doctor explained to us what was wrong with my hand.

Overall Rating: 5.0 2025-02-08

Patient verified via Press Ganey

Always make sure you are included with treatment.

Overall Rating: 5.0 2026-01-04

Patient verified via Press Ganey

Dr Nilsen does a fantastic job!

Overall Rating: 5.0 2025-08-31

Patient verified via Press Ganey

Very friendly. Good listener.

Overall Rating: 5.0 2024-10-26

Patient verified via Press Ganey

Everything was good

Overall Rating: 5.0 2025-07-28

Patient verified via Press Ganey

Excellent

General Payments

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

**Payments by Company**
Zimmer Biomet Holdings, Inc.	$5,850 Oxford-Knees $2,239	Avenir $1,862	ROSA $733	Arcos $484	Persona $257	Other $275
Medical Device Business Services, Inc.	$2,907 ATTUNE $1,950	TRUESPAN $795	VELYS Hip Navigation $89	$72
DePuy Synthes Sales Inc.	$1,569 Hip $661	DYNACORD $170	MILAGRO $131	INTRAFIX $95	VAPR $71	Other $441
Smith+Nephew, Inc.	$1,299 REDAPT $1,117	Regeneten $88	Healicoil $69	EVOS SMALL $24
ConforMIS, Inc.	$350 ALL $304	itotal CR $25	iTOTAL $11	iUni $10
Other	$1,535 MACI $237	Knee $209	M-Turbo Ultrasound System $166	TRAUMA & EXTREMITIES $136	Orthalign Plus $119	Other $668

**Types of Payments**
Travel and Lodging	$8,666
Food and Beverage	$4,296
Education	$547

Biography

Dr. David Nilsen is a medical specialist in orthopedics/orthopedic surgery. He is professionally affiliated with Dignity Health. Dr. Nilsen graduated from Michigan State University College of Osteopathic Medicine. He is rated highly by his patients. He has an open panel in JANESVILLE, WI according to Doctor.com.