In 2012, Dr. Michael G. Zahn, MD performed more major joint aspiration, major joint injection, and total joint replacement procedures for Medicare patients than 75% of providers in related specialties within New York.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY during 2012 were rehabilitation, X-rays, aspiration and injections.

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

aspiration	282
diagnostic evaluation	31
diagnostic procedures	13
doctor visit	545
hip imaging	91
injections	282
joint surgery	61
lower extremity surgery	61
musculoskeletal imaging	190
pelvic imaging	78
reconstructive surgery	61
rehabilitation	669
spinal procedures	87
X-rays	355

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY during 2013 were rehabilitation, aspiration, injections and X-rays.

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

aspiration	244
diagnostic evaluation	41
doctor visit	551
hip imaging	41
injections	244
joint surgery	32
lower extremity surgery	32
musculoskeletal imaging	97
pelvic imaging	41
reconstructive surgery	32
rehabilitation	991
spinal procedures	32
X-rays	170

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Zahn, MD.

**Gender**
Male	223
Female	342

**Ethnicity**
Non-Hispanic White	548
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	243
From 75 to 84	188
85 and over	64
Less than 65	70

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2013

Hypertension	72
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	34
Depression	18
Chronic Kidney Disease	13
Asthma	10
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY during 2014 were rehabilitation, injections, aspiration and X-rays.

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

aspiration	214
diagnostic evaluation	14
doctor visit	522
hip imaging	48
injections	226
joint surgery	47
lower extremity surgery	47
musculoskeletal imaging	85
pelvic imaging	47
reconstructive surgery	47
rehabilitation	411
X-rays	132

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Zahn, MD.

**Gender**
Male	213
Female	259

**Ethnicity**
Non-Hispanic White	454
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	160
85 and over	59
Less than 65	47

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2014

Hypertension	69
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	33
Depression	20
Chronic Kidney Disease	16
Asthma	10
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY during 2015 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

aspiration	226
doctor visit	553
hip imaging	38
injections	226
joint surgery	58
lower extremity surgery	58
musculoskeletal imaging	95
pelvic imaging	38
reconstructive surgery	58
X-rays	133

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Zahn, MD.

**Gender**
Male	330
Female	528

**Ethnicity**
Non-Hispanic White	808
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	410
From 75 to 84	240
85 and over	130
Less than 65	78

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2015

Hypertension	67
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	32
Depression	19
Chronic Kidney Disease	16
Asthma	10
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY during 2016 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

aspiration	240
doctor visit	617
injections	240
joint surgery	57
lower extremity surgery	57
musculoskeletal imaging	62
reconstructive surgery	57
X-rays	62

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Zahn, MD.

**Gender**
Male	168
Female	286

**Ethnicity**
Non-Hispanic White	436
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	215
From 75 to 84	146
85 and over	51
Less than 65	42

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2016

Hypertension	66
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	32
Depression	20
Chronic Kidney Disease	20
Asthma	16
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY during 2017 were aspiration, injections, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

aspiration	277
doctor visit	653
injections	277
joint surgery	69
lower extremity surgery	69
musculoskeletal imaging	63
reconstructive surgery	69
X-rays	63

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Zahn, MD.

**Gender**
Male	206
Female	279

**Ethnicity**
Non-Hispanic White	456
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	160
85 and over	54
Less than 65	42

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2017

Hypertension	68
High Cholesterol	47
Stroke	3
Ischemic Heart Disease	28
Depression	18
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY during 2018 were aspiration, injections, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

aspiration	259
decompression surgery	14
doctor visit	684
injections	259
joint surgery	72
lower extremity surgery	61
musculoskeletal imaging	69
nerve procedures	14
open surgery	14
reconstructive surgery	72
upper extremity surgery	25
X-rays	69

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Zahn, MD.

**Gender**
Male	218
Female	328

**Ethnicity**
Non-Hispanic White	511
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	265
From 75 to 84	172
85 and over	66
Less than 65	43

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2018

Hypertension	71
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	29
Depression	18
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	16
Diabetes	29
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY during 2019 were aspiration, injections, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

aspiration	214
doctor visit	665
injections	214
joint surgery	96
lower extremity surgery	83
musculoskeletal imaging	64
reconstructive surgery	96
upper extremity surgery	13
X-rays	64

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Zahn, MD.

**Gender**
Male	230
Female	292

**Ethnicity**
Non-Hispanic White	496
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	252
From 75 to 84	189
85 and over	52
Less than 65	29

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2019

Hypertension	69
High Cholesterol	66
Stroke	2
Ischemic Heart Disease	29
Depression	20
Chronic Kidney Disease	23
Asthma	9
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY during 2020 were aspiration, injections, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

aspiration	190
doctor visit	485
injections	190
joint surgery	81
lower extremity surgery	68
musculoskeletal imaging	68
reconstructive surgery	81
upper extremity surgery	13
X-rays	68

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Zahn, MD.

**Gender**
Male	196
Female	238

**Ethnicity**
Non-Hispanic White	402
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	155
85 and over	37
Less than 65	30

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2020

Hypertension	67
High Cholesterol	63
Stroke	3
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	21
Asthma	9
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	8
Chronic Obstructive Pulmonary Disease	12
Diabetes	27
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY during 2021 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

aspiration	220
doctor visit	566
injections	220
joint surgery	60
lower extremity surgery	60
musculoskeletal imaging	61
reconstructive surgery	60
X-rays	61

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Zahn, MD.

**Gender**
Male	203
Female	295

**Ethnicity**
Non-Hispanic White	467
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	247
From 75 to 84	160
85 and over	58
Less than 65	33

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2021

Hypertension	71
High Cholesterol	66
Stroke	3
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY during 2022 were aspiration, injections, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

aspiration	188
doctor visit	553
injections	188
joint surgery	78
lower extremity surgery	65
musculoskeletal imaging	58
reconstructive surgery	78
upper extremity surgery	13
X-rays	58

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Zahn, MD.

**Gender**
Male	203
Female	271

**Ethnicity**
Non-Hispanic White	445
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	162
85 and over	49
Less than 65	15

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2022

Hypertension	73
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	20
Depression	15
Chronic Kidney Disease	12
Asthma	8
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	4
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY during 2023 were aspiration, injections, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

aspiration	283
doctor visit	635
injections	283
joint surgery	86
lower extremity surgery	71
musculoskeletal imaging	59
reconstructive surgery	86
upper extremity surgery	15
X-rays	59

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Zahn, MD.

**Gender**
Male	227
Female	292

**Ethnicity**
Non-Hispanic White	476
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	255
From 75 to 84	197
85 and over	49
Less than 65	18

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	14
Asthma	10
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	9
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	3
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Michael G. Zahn, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael G. Zahn, MD treated as an orthopedist in Hamilton, NY were rehabilitation, injections, aspiration and X-rays.

aspiration	236
decompression surgery	14
diagnostic evaluation	28
diagnostic procedures	13
doctor visit	585
hip imaging	54
injections	237
joint surgery	66
lower extremity surgery	61
musculoskeletal imaging	80
nerve procedures	14
open surgery	14
pelvic imaging	51
reconstructive surgery	66
rehabilitation	690
spinal procedures	59
upper extremity surgery	15
X-rays	107

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Michael G. Zahn, MD.

**Gender**
Male	201
Female	284

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	458
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	160
85 and over	55
Less than 65	37
65 to 74	231

Average of Total of Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD From 2012 - 2023

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

Hypertension	64
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	26
Depression	16
Chronic Kidney Disease	16
Asthma	8
Osteoporosis	7
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Atrial Fibrillation	10
Cancer	10
Dementia	5

Education & Training

He has a state license in New York.

Licensed In: New York

Ratings & Reviews

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General Payments

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

**Payments by Company**
Zimmer Biomet Holdings, Inc.	$42,009 TAPESTRY $41,821	AccuFill $107	Surgical Product Portfolio $80
Biomet Orthopedics, LLC	$3,540 Ortho-Knees $1,821	Extremities $1,719
Arthrex, Inc.	$2,073 ALL ARTHREX PRODUCT LINES $2,073
Lima USA, Inc.	$2,049 SMR Shoulder $1,442	SMR $607
Prodigy Surgical Distribution, Inc.	$842 ALL ARTHREX PRODUCT LINES $842
Other	$1,749 Q-FIX Shoulder $407	Trauma $164	Sports Med Shoulder $131	Knee $75	GMK Sphere $58	Other $914

**Types of Payments**
Acquisitions	$41,821
Travel and Lodging	$5,598
Food and Beverage	$2,098
Education	$2,049
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$697

Ownership and Interest Payments

This table describes ownership payments received by Dr. Michael G. Zahn, MD.

Zimmer Biomet Holdings, Inc.	2023	$39,187.40	Physician Covered Recipient	ownership interest transferred to HCP as part of terms of acquisition
Zimmer Biomet Holdings, Inc.	2024	$6,020.91	Physician Covered Recipient	Ownership interest transferred as part of earnout for 2023 acquisition
Zimmer Biomet Holdings, Inc.	2023	$3,894.40	Physician Covered Recipient	Interest acquired as part of milestone payment for acquisition

Biography

Dr. Michael Zahn practices orthopedics/orthopedic surgery in Hamilton, NY. Dr. Zahn studied medicine at Stanford University School of Medicine.

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Dr. Michael G. Zahn, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Michael G. Zahn, MD in 2023

By Volume:

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. Michael G. Zahn, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael G. Zahn, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael G. Zahn, 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. Michael G. Zahn, MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Ownership and Interest Payments

Biography

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