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Dr. Greg Peter Watchmaker, MD

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Specializes in: Orthopedics/Orthopedic Surgery and Hand Surgery

Washington University in St. Louis School of Medicine

Professional interests include: wrist problems, work injuries, hand problems

2801 W Kinnickinnic River Parkway Suite 860
Milwaukee, WI 53215

(262) 241-9224

Dr. Greg Peter Watchmaker, MD is an orthopedist in Mequon, WI specializing in orthopedics/orthopedic surgery and hand surgery. He graduated from Washington University in St. Louis School of Medicine. Dr. Greg Peter Watchmaker, MD is affiliated with Orthopaedic Hospital of Wisconsin and Advocate Health Care.

Office Locations

1535 W Market Street
Mequon, WI 53092

open_in_new

Advocate Health Care

2801 W Kinnickinnic River Parkway Suite 860
Milwaukee, WI 53215

(262) 241-9224

(262) 241-9228

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Noteworthy Medicare Patient Procedures Performed by Dr. Greg Peter Watchmaker, MD in 2023

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

Top 5%

By Volume:

injections

joint aspiration

nerve surgery

tendon sheath lesion excision from hand

upper extremity surgery

By Affordability:

carpal tunnel injection

carpal tunnel surgery

carpometacarpal interposition arthroplasty

Dupuytren's contracture surgery

nerve decompression surgery

nerve procedures

nerve surgery

open carpal tunnel surgery

palmar fasciotomy

percutaneous needle fasciotomy

peripheral nerve decompression surgery

peripheral nerve surgery

soft tissue injections

tendon sheath incision

tendon sheath injection

trigger finger surgery

In 2023, among providers in related specialties within Wisconsin, Dr. Greg Peter Watchmaker, MD performed more injections, joint aspiration, nerve surgery, tendon sheath lesion excision from hand, and upper extremity surgery procedures for Medicare patients than 95% of them and he also had a list price for carpal tunnel injection, carpal tunnel surgery, carpometacarpal (CMC) interposition arthroplasty, Dupuytren's contracture surgery, fasciotomy, hand arthroplasty, ligament injection, needle aponeurotomy, nerve decompression surgery, nerve procedures, nerve surgery, open carpal tunnel surgery, palmar fasciotomy, percutaneous needle fasciotomy (PNF), peripheral nerve decompression surgery, peripheral nerve surgery, soft tissue injections, tendon sheath incision, tendon sheath injection, and trigger finger surgery that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Volume:

carpal tunnel surgery

tendon surgery

By Affordability:

decompression surgery

In 2023, among providers in related specialties within Wisconsin, Dr. Greg Peter Watchmaker, MD performed more carpal tunnel surgery, and tendon surgery procedures for Medicare patients than 90% of them and he also had a list price for decompression surgery that was lower than the list prices billed to Medicare by 90% 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.

Top 25%

By Volume:

carpometacarpal interposition arthroplasty

minimally invasive procedures

open surgery

By Affordability:

endoscopic carpal tunnel surgery

In 2012, among providers in related specialties within Wisconsin, Dr. Greg Peter Watchmaker, MD performed more carpometacarpal (CMC) interposition arthroplasty, minimally invasive procedures, and open surgery procedures for Medicare patients than 75% of them and he also had a list price for endoscopic carpal tunnel surgery 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. Greg Peter Watchmaker, MD treated as an orthopedist in Mequon, WI during 2012 were injections, aspiration, upper extremity surgery and nerve procedures.

Volume of procedures performed by Dr. Greg Peter Watchmaker, MD for Medicare patients.

aspiration	164
decompression surgery	99
doctor visit	1083
fasciotomy	29
immobilization	23
injections	434
minimally invasive procedures	29
nerve procedures	99
open surgery	99
tendon surgery	14
upper extremity surgery	142

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Greg Peter Watchmaker, MD treated as an orthopedist in Mequon, WI during 2013 were injections, aspiration, upper extremity surgery and nerve procedures.

Volume of procedures performed by Dr. Greg Peter Watchmaker, MD for Medicare patients.

aspiration	194
decompression surgery	88
doctor visit	1089
fasciotomy	21
immobilization	19
injections	501
minimally invasive procedures	21
nerve procedures	88
open surgery	88
tendon surgery	20
upper extremity surgery	129

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg Peter Watchmaker, MD.

**Gender**
Male	279
Female	409

**Ethnicity**
Non-Hispanic White	653
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	322
From 75 to 84	237
85 and over	90
Less than 65	39

Conditions of Medicare patients treated by Dr. Greg Peter Watchmaker, MD in 2013

Hypertension	61
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	29
Depression	16
Chronic Kidney Disease	14
Asthma	7
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	24
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Greg Peter Watchmaker, MD treated as an orthopedist in Mequon, WI during 2014 were injections, aspiration, upper extremity surgery and nerve procedures.

Volume of procedures performed by Dr. Greg Peter Watchmaker, MD for Medicare patients.

aspiration	167
closed (non-surgical) treatment of fracture	12
decompression surgery	62
doctor visit	1076
fasciotomy	17
immobilization	27
injections	457
minimally invasive procedures	17
nerve procedures	62
open surgery	62
tendon surgery	32
transplant procedures	14
upper extremity surgery	111

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg Peter Watchmaker, MD.

**Gender**
Male	255
Female	404

**Ethnicity**
Non-Hispanic White	628
Black	0
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	308
From 75 to 84	215
85 and over	103
Less than 65	33

Conditions of Medicare patients treated by Dr. Greg Peter Watchmaker, MD in 2014

Hypertension	58
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	32
Depression	18
Chronic Kidney Disease	15
Asthma	7
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	20
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Greg Peter Watchmaker, MD treated as an orthopedist in Mequon, WI during 2015 were injections, aspiration, upper extremity surgery and nerve procedures.

Volume of procedures performed by Dr. Greg Peter Watchmaker, MD for Medicare patients.

aspiration	170
decompression surgery	80
doctor visit	1098
excision	17
immobilization	18
injections	447
joint surgery	17
nerve procedures	80
open surgery	80
removal of lesion (e.g. growth)	17
tendon surgery	52
upper extremity surgery	115

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg Peter Watchmaker, MD.

**Gender**
Male	524
Female	804

**Ethnicity**
Non-Hispanic White	1264
Black	0
Hispanic	0
Asian	0
Other	30
Native American	0

**Age**
From 65 to 74	660
From 75 to 84	394
85 and over	192
Less than 65	82

Conditions of Medicare patients treated by Dr. Greg Peter Watchmaker, MD in 2015

Hypertension	61
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	30
Depression	19
Chronic Kidney Disease	15
Asthma	10
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	21
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Greg Peter Watchmaker, MD treated as an orthopedist in Mequon, WI during 2016 were injections, aspiration, upper extremity surgery and tendon surgery.

Volume of procedures performed by Dr. Greg Peter Watchmaker, MD for Medicare patients.

aspiration	173
decompression surgery	60
doctor visit	1135
excision	11
fasciotomy	30
immobilization	21
injections	486
joint surgery	11
minimally invasive procedures	30
nerve procedures	60
open surgery	60
removal of lesion (e.g. growth)	11
tendon surgery	71
transplant procedures	13
upper extremity surgery	150

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg Peter Watchmaker, MD.

**Gender**
Male	276
Female	410

**Ethnicity**
Non-Hispanic White	640
Black	13
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	348
From 75 to 84	218
85 and over	94
Less than 65	26

Conditions of Medicare patients treated by Dr. Greg Peter Watchmaker, MD in 2016

Hypertension	63
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	34
Depression	22
Chronic Kidney Disease	18
Asthma	14
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	23
Dementia	5
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Greg Peter Watchmaker, MD treated as an orthopedist in Mequon, WI during 2017 were injections, aspiration, upper extremity surgery and nerve procedures.

Volume of procedures performed by Dr. Greg Peter Watchmaker, MD for Medicare patients.

aspiration	181
decompression surgery	56
doctor visit	1117
fasciotomy	21
injections	485
minimally invasive procedures	21
nerve procedures	56
open surgery	56
tendon surgery	56
upper extremity surgery	133

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg Peter Watchmaker, MD.

**Gender**
Male	249
Female	429

**Ethnicity**
Non-Hispanic White	628
Black	0
Hispanic	0
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	336
From 75 to 84	224
85 and over	91
Less than 65	27

Conditions of Medicare patients treated by Dr. Greg Peter Watchmaker, MD in 2017

Hypertension	64
High Cholesterol	49
Stroke	4
Ischemic Heart Disease	32
Depression	21
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Greg Peter Watchmaker, MD treated as an orthopedist in Mequon, WI during 2018 were injections, aspiration, upper extremity surgery and nerve procedures.

Volume of procedures performed by Dr. Greg Peter Watchmaker, MD for Medicare patients.

aspiration	177
decompression surgery	81
doctor visit	1211
fasciotomy	27
immobilization	16
injections	526
minimally invasive procedures	27
nerve procedures	81
open surgery	81
tendon surgery	41
upper extremity surgery	149

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg Peter Watchmaker, MD.

**Gender**
Male	274
Female	419

**Ethnicity**
Non-Hispanic White	643
Black	0
Hispanic	0
Asian	0
Other	33
Native American	0

**Age**
From 65 to 74	356
From 75 to 84	231
85 and over	80
Less than 65	26

Conditions of Medicare patients treated by Dr. Greg Peter Watchmaker, MD in 2018

Hypertension	57
High Cholesterol	55
Stroke	2
Ischemic Heart Disease	30
Depression	20
Chronic Kidney Disease	20
Asthma	8
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	7
Chronic Obstructive Pulmonary Disease	7
Diabetes	21
Dementia	4
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Greg Peter Watchmaker, MD treated as an orthopedist in Mequon, WI during 2019 were injections, upper extremity surgery, aspiration and tendon surgery.

Volume of procedures performed by Dr. Greg Peter Watchmaker, MD for Medicare patients.

aspiration	157
decompression surgery	72
doctor visit	1165
excision	17
fasciotomy	23
immobilization	25
injections	487
joint surgery	30
minimally invasive procedures	36
nerve procedures	72
open surgery	59
reconstructive surgery	13
removal of lesion (e.g. growth)	17
tendon surgery	73
transplant procedures	14
upper extremity surgery	164

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg Peter Watchmaker, MD.

**Gender**
Male	302
Female	408

**Ethnicity**
Non-Hispanic White	652
Black	0
Hispanic	0
Asian	0
Other	39
Native American	0

**Age**
From 65 to 74	362
From 75 to 84	265
85 and over	67
Less than 65	16

Conditions of Medicare patients treated by Dr. Greg Peter Watchmaker, MD in 2019

Hypertension	60
High Cholesterol	57
Stroke	2
Ischemic Heart Disease	33
Depression	24
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	21
Dementia	5
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Greg Peter Watchmaker, MD treated as an orthopedist in Mequon, WI during 2020 were injections, upper extremity surgery, aspiration and nerve procedures.

Volume of procedures performed by Dr. Greg Peter Watchmaker, MD for Medicare patients.

aspiration	110
closed (non-surgical) treatment of fracture	14
decompression surgery	72
doctor visit	1030
fasciotomy	20
immobilization	19
injections	407
minimally invasive procedures	42
nerve procedures	72
open surgery	50
tendon surgery	39
upper extremity surgery	131

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg Peter Watchmaker, MD.

**Gender**
Male	268
Female	364

**Ethnicity**
Non-Hispanic White	590
Black	0
Hispanic	0
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	304
From 75 to 84	245
85 and over	72
Less than 65	11

Conditions of Medicare patients treated by Dr. Greg Peter Watchmaker, MD in 2020

Hypertension	57
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	34
Depression	22
Chronic Kidney Disease	17
Asthma	7
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	4
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Greg Peter Watchmaker, MD treated as an orthopedist in Mequon, WI during 2021 were injections, upper extremity surgery, aspiration and nerve procedures.

Volume of procedures performed by Dr. Greg Peter Watchmaker, MD for Medicare patients.

aspiration	117
decompression surgery	63
doctor visit	1125
fasciotomy	26
injections	455
minimally invasive procedures	55
nerve procedures	63
open surgery	34
tendon surgery	47
upper extremity surgery	136

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg Peter Watchmaker, MD.

**Gender**
Male	280
Female	419

**Ethnicity**
Non-Hispanic White	643
Black	0
Hispanic	0
Asian	0
Other	45
Native American	0

**Age**
From 65 to 74	366
From 75 to 84	247
85 and over	74
Less than 65	12

Conditions of Medicare patients treated by Dr. Greg Peter Watchmaker, MD in 2021

Hypertension	56
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	34
Depression	24
Chronic Kidney Disease	20
Asthma	6
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	20
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Greg Peter Watchmaker, MD treated as an orthopedist in Mequon, WI during 2022 were injections, upper extremity surgery, aspiration and nerve procedures.

Volume of procedures performed by Dr. Greg Peter Watchmaker, MD for Medicare patients.

aspiration	118
decompression surgery	76
doctor visit	1040
fasciotomy	15
injections	361
joint surgery	12
minimally invasive procedures	46
nerve procedures	76
open surgery	45
reconstructive surgery	12
tendon surgery	58
transplant procedures	12
upper extremity surgery	161

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg Peter Watchmaker, MD.

**Gender**
Male	256
Female	379

**Ethnicity**
Non-Hispanic White	583
Black	0
Hispanic	0
Asian	0
Other	37
Native American	0

**Age**
From 65 to 74	321
From 75 to 84	239
85 and over	62
Less than 65	13

Conditions of Medicare patients treated by Dr. Greg Peter Watchmaker, MD in 2022

Hypertension	67
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	26
Depression	21
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	19
Atrial Fibrilation	13
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	20
Dementia	2
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Greg Peter Watchmaker, MD for Medicare patients.

The highest averages for the top procedures that Dr. Greg Peter Watchmaker, MD treated as an orthopedist in Mequon, WI were injections, aspiration, upper extremity surgery and nerve procedures.

aspiration	157
closed (non-surgical) treatment of fracture	13
decompression surgery	73
doctor visit	1106
excision	15
fasciotomy	22
immobilization	21
injections	458
joint surgery	17
minimally invasive procedures	32
nerve procedures	73
open surgery	64
reconstructive surgery	12
removal of lesion (e.g. growth)	15
tendon surgery	45
transplant procedures	13
upper extremity surgery	138

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Greg Peter Watchmaker, MD.

**Gender**
Male	269
Female	404

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	629
Native American / Alaskan Native	0
Hispanic	0
Other	25

**Age**
75 to 84	228
85 and over	84
Less than 65	25
65 to 74	334

Average of Total of Conditions of Medicare patients treated by Dr. Greg Peter Watchmaker, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Greg Peter Watchmaker, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	54
High Cholesterol	52
Stroke	2
Ischemic Heart Disease	28
Depression	18
Chronic Kidney Disease	16
Asthma	7
Osteoporosis	9
Heart Failure	8
Chronic Obstructive Pulmonary Disease	6
Diabetes	18
Atrial Fibrillation	9
Dementia	3
Cancer	10

Education & Training

Dr. Greg Peter Watchmaker, MD graduated from Washington University in St. Louis School of Medicine. He completed residency at Barnes-Jewish Hospital. He is certified by the American Board of Plastic Surgery American Board of Plastic Surgery, Surgery of the Hand and has a state license in Wisconsin.

Medical School: Washington University in St. Louis School of Medicine

Residency: Barnes-Jewish Hospital

Board Certification: American Board of Plastic Surgery American Board of Plastic Surgery, Surgery of the Hand

Licensed In: Wisconsin

Affiliations & Hospitals

Dr. Greg Peter Watchmaker, MD is associated with these hospitals and organizations:

Orthopaedic Hospital of Wisconsin

Advocate Health Care

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Biography

Dr. Greg Watchmaker's specialties are hand surgery and orthopedics/orthopedic surgery. He practices in Mequon, WI and Milwaukee, WI. Dr. Watchmaker is especially interested in hand problems, work injuries, and wrist problems. He is affiliated with Orthopaedic Hospital of Wisconsin and Advocate Health Care. After completing medical school at Washington University in St. Louis School of Medicine, he performed his residency at Barnes-Jewish Hospital.