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Home > IL Providers > Orthopedic Surgeons

Dr. Alan P. Gegenheimer, DO

(5 Ratings)

Specializes in: Orthopedics/Orthopedic Surgery

Michigan State University

Professional interests include: triangular fibrocartilage complex (TFCC) tear, elbow problems, trauma, and more.

555 Corporate Woods Parkway
Vernon Hills, IL 60061

(262) 656-3590

Dr. Alan P. Gegenheimer, DO is an orthopedist in Vernon Hills, IL specializing in orthopedics/orthopedic surgery. He graduated from Michigan State University. Dr. Alan P. Gegenheimer, DO is affiliated with Froedtert South.

Office Locations

555 Corporate Woods Parkway
Vernon Hills, IL 60061

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9697 St. Catherine's Drive
Pleasant Prairie, WI 53158

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Noteworthy Medicare Patient Procedures Performed by Dr. Alan P. Gegenheimer, DO in 2024

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

Top 25%

By Volume:

major joint aspiration

major joint injection

By Affordability:

lower extremity reconstruction

lower extremity surgery

musculoskeletal imaging

reconstructive surgery

replacement arthroplasty

total hip replacement

total joint replacement

total knee replacement

In 2012, among providers in related specialties within Illinois, Dr. Alan P. Gegenheimer, DO performed more major joint aspiration, and major joint injection procedures for Medicare patients than 75% of them and he also had a list price for arthroplasty, hip arthroplasty, hip reconstruction, hip replacement, hip surgery, joint imaging, joint reconstruction, joint surgery, knee arthroplasty, knee reconstruction, knee replacement, knee surgery, lower extremity reconstruction, lower extremity surgery, musculoskeletal imaging, reconstructive surgery, replacement arthroplasty (joint replacement), total hip replacement, total joint replacement, and total knee replacement that was lower than the list prices billed to Medicare by 75% 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

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2012 were aspiration, injections, musculoskeletal imaging and hip imaging.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	140
doctor visit	298
hip imaging	44
injections	140
MRI (magnetic resonance imaging)	36
musculoskeletal imaging	63
X-rays	27

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2013 were aspiration, injections, musculoskeletal imaging and hip imaging.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	169
doctor visit	418
hip imaging	53
injections	169
joint surgery	12
lower extremity surgery	12
minimally invasive procedures	12
MRI (magnetic resonance imaging)	33
musculoskeletal imaging	66
X-rays	33

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Male	76
Female	131

**Ethnicity**
Non-Hispanic White	192
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	93
From 75 to 84	64
85 and over	25
Less than 65	25

Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO in 2013

Hypertension	70
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	37
Depression	22
Chronic Kidney Disease	19
Asthma	10
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	31
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2014 were aspiration, injections, musculoskeletal imaging and hip imaging.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	182
doctor visit	390
hip imaging	41
injections	182
joint surgery	13
lower extremity surgery	13
minimally invasive procedures	13
MRI (magnetic resonance imaging)	18
musculoskeletal imaging	41
X-rays	23

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Male	76
Female	134

**Ethnicity**
Non-Hispanic White	188
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	68
85 and over	27
Less than 65	30

Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO in 2014

Hypertension	73
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	40
Depression	24
Chronic Kidney Disease	20
Asthma	13
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2015 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	133
doctor visit	265
hip imaging	14
injections	133
musculoskeletal imaging	14
X-rays	14

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Male	104
Female	246

**Ethnicity**
Non-Hispanic White	298
Black	0
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	98
85 and over	52
Less than 65	58

Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO in 2015

Hypertension	73
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	35
Depression	26
Chronic Kidney Disease	23
Asthma	17
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2016 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	118
doctor visit	276
excision	13
hospital care	16
injections	118
inpatient care	16
open surgery	13
upper extremity surgery	13

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Male	68
Female	125

**Ethnicity**
Non-Hispanic White	163
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	61
85 and over	26
Less than 65	37

Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO in 2016

Hypertension	69
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	35
Depression	28
Chronic Kidney Disease	27
Asthma	26
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2017 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	90
doctor visit	189
hospital care	12
injections	90
inpatient care	12
musculoskeletal imaging	19
X-rays	19

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Male	53
Female	97

**Ethnicity**
Non-Hispanic White	135
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	47
85 and over	20
Less than 65	29

Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO in 2017

Hypertension	65
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	33
Depression	29
Chronic Kidney Disease	33
Asthma	7
Osteoperosis	15
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	16
Diabetes	35
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2018 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	86
doctor visit	224
hospital care	15
injections	86
inpatient care	15

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Male	69
Female	102

**Ethnicity**
Non-Hispanic White	149
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	48
85 and over	22
Less than 65	38

Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO in 2018

Hypertension	66
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	29
Depression	26
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	16
Diabetes	33
Dementia	12
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2019 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	90
doctor visit	272
injections	90
musculoskeletal imaging	24
X-rays	24

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Male	83
Female	129

**Ethnicity**
Non-Hispanic White	190
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	75
85 and over	26
Less than 65	23

Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO in 2019

Hypertension	62
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	30
Depression	23
Chronic Kidney Disease	30
Asthma	8
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2020 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	99
doctor visit	226
injections	99
musculoskeletal imaging	15
X-rays	15

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Male	61
Female	123

**Ethnicity**
Non-Hispanic White	163
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	54
85 and over	27
Less than 65	32

Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO in 2020

Hypertension	68
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	27
Depression	32
Chronic Kidney Disease	25
Asthma	14
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2021 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	213
doctor visit	329
hospital care	13
injections	213
inpatient care	13
joint surgery	11
lower extremity surgery	11
musculoskeletal imaging	53
reconstructive surgery	11
X-rays	53

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Male	112
Female	185

**Ethnicity**
Non-Hispanic White	257
Black	17
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	77
85 and over	48
Less than 65	44

Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO in 2021

Hypertension	65
High Cholesterol	49
Stroke	6
Ischemic Heart Disease	24
Depression	26
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	13
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2022 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	336
doctor visit	383
injections	336
joint surgery	32
lower extremity surgery	32
musculoskeletal imaging	58
reconstructive surgery	32
X-rays	58

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Male	121
Female	202

**Ethnicity**
Non-Hispanic White	289
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	110
85 and over	41
Less than 65	30

Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO in 2022

Hypertension	75
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	25
Depression	20
Chronic Kidney Disease	17
Asthma	7
Osteoperosis	17
Atrial Fibrilation	16
Heart Failure	15
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2023 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	322
doctor visit	323
injections	322
joint surgery	13
lower extremity surgery	13
musculoskeletal imaging	46
reconstructive surgery	13
X-rays	46

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Male	108
Female	175

**Ethnicity**
Non-Hispanic White	256
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	85
85 and over	32
Less than 65	35

Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO in 2023

Hypertension	73
High Cholesterol	67
Stroke	7
Ischemic Heart Disease	22
Depression	21
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	13
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL during 2024 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

aspiration	134
doctor visit	267
injections	134
joint surgery	32
lower extremity surgery	32
musculoskeletal imaging	57
reconstructive surgery	32
X-rays	57

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Male	90
Female	137

**Ethnicity**
Non-Hispanic White	207
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	71
85 and over	25
Less than 65	12

Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO in 2024

Hypertension	72
High Cholesterol	72
Stroke	5
Ischemic Heart Disease	21
Depression	27
Chronic Kidney Disease	15
Asthma	7
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	11
Chronic Obstructive Pulmonary Disease	18
Diabetes	27
Dementia	7
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Alan P. Gegenheimer, DO for Medicare patients.

The highest averages for the top procedures that Dr. Alan P. Gegenheimer, DO treated as an orthopedist in Vernon Hills, IL were aspiration, injections, musculoskeletal imaging and hip imaging.

aspiration	162
doctor visit	296
excision	13
hip imaging	38
hospital care	14
injections	162
inpatient care	14
joint surgery	18
lower extremity surgery	18
minimally invasive procedures	12
MRI (magnetic resonance imaging)	29
musculoskeletal imaging	41
open surgery	13
reconstructive surgery	22
upper extremity surgery	13
X-rays	33

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Alan P. Gegenheimer, DO.

**Gender**
Female	137
Male	78

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	191
Hispanic	5
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	28
75 to 84	66
Less than 65	30
65 to 74	91

Average of Total of Conditions of Medicare patients treated by Dr. Alan P. Gegenheimer, DO From 2012 - 2024

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

Hypertension	63
High Cholesterol	55
Stroke	2
Ischemic Heart Disease	27
Depression	23
Chronic Kidney Disease	21
Asthma	10
Osteoporosis	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Atrial Fibrillation	11
Cancer	10
Dementia	10

Education & Training

Dr. Alan P. Gegenheimer, DO graduated from Michigan State University. He completed residency at Orthopedic Surgery - Naval Medical Center. He has a state license in Illinois.

Medical School: Michigan State University

Residency: Orthopedic Surgery - Naval Medical Center

Licensed In: Illinois

Affiliations & Hospitals

Dr. Alan P. Gegenheimer, DO is associated with these hospitals and organizations:

Froedtert South

Ratings & Reviews

Dr. Alan P. Gegenheimer, DO has a high overall rating with an average of 4.1 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Alan P. Gegenheimer, DO from all over the web to help you find the right in Vernon Hills, IL.

4.1

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Zimmer Biomet Holdings, Inc.	$2,490 CEP Extremities $905	Extremities $820	Arcos $315	KNEES $208	Comprehensive Primary Stem $80	Other $162
Ferring Pharmaceuticals Inc.	$791 EUFLEXXA $791
Biomet Orthopedics, LLC	$714 Ortho-Hips $607	Extremities $107
DePuy Synthes Sales Inc.	$189 ORTHOVISC $91	NA $38	PEAK $34	MONOVISC $25
Globus Medical, Inc.	$152 CALIBER $104	Anthem $47
Other	$684 Ascend Flex $111	AxoGuard Nerve Connector $59	Mako $43	Zilretta $40	DERMABOND Portfolio $40	Other $391

**Types of Payments**
Travel and Lodging	$2,567
Food and Beverage	$2,392
Education	$60

Biography

Dr. Alan Gegenheimer is a physician who specializes in orthopedics/orthopedic surgery. His areas of expertise include the following: strains, meniscus repair, and plantar fasciitis. Dr. Gegenheimer's average patient rating is 4.0 stars (out of 5). He studied medicine at Michigan State University. He is professionally affiliated with Froedtert South.