Dr. Greg Peter Watchmaker, MD
- Medicare services, 2024
- 2,244
- Medicare patients, 2024
- 622
- Part D claims, 2024
- 310
- Publications
- 3
- Hospital affiliations
- 4
- Practice address
- 1535 W Market St, Mequon, WI 53092-5053
- Practice phone
- Call (262) 241-9224
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Milwaukee Hand Center
Physical therapy & rehab practice · Mequon, Wisconsin
Find Dr. Watchmaker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Greg Peter Watchmaker is an orthopaedic hand surgery physician in Mequon, Wisconsin
Dr. Watchmaker practices at The Milwaukee Hand Center in Mequon, Wisconsin.
Dr. Watchmaker's NPI, 1275564221, was assigned on July 6, 2006. Dr. Watchmaker graduated from Washington University School of Medicine in 1989. Dr. Watchmaker holds Wisconsin license 37648.
- NPI
- 1275564221NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486544756
- NPI enumeration date
- July 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (262) 241-9224
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Greg Peter Watchmaker practices at The Milwaukee Hand Center in Mequon, Wisconsin
Dr. Watchmaker's primary practice is The Milwaukee Hand Center, at 1535 W Market St, Mequon, WI 53092-5053. The practice phone is (262) 241-9224.
- The Milwaukee Hand Center1535 W Market St, Mequon, WI 53092-5053Phone(262) 241-9224
Source: Dmand AI Affiliation Data
Dr. Greg Peter Watchmaker is affiliated with 5 sites of care and 1 medical group
Dr. Watchmaker's primary practice is The Milwaukee Hand Center in Mequon, Wisconsin. Dr. Watchmaker is also affiliated with Aurora St. Luke's Medical Center. The medical group on file is The Milwaukee Hand Center. Dmand AI also links Dr. Watchmaker to 3 more hospitals, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Greg Peter Watchmaker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Watchmaker practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Milwaukee Hand Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Greg Peter Watchmaker is one of 44 orthopaedic hand surgery physicians in Wisconsin
Hand surgery is Dr. Watchmaker's primary specialty in the NPI Registry, under taxonomy code 207XS0106X. Dr. Watchmaker is licensed in Wisconsin.
Specialties and state licenses
- Orthopaedic hand surgery, WisconsinPrimary
Orthopaedic hand surgery physicians near Dr. Watchmaker
Counts of orthopaedic hand surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Greg Peter Watchmaker billed Medicare for 2,244 services in 2024
CMS data shows 2,244 Medicare services from Dr. Watchmaker across 17 procedure codes in 2024, for 622 Medicare patients. Medicare paid $120,446 for them.
Dr. Watchmaker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0312024: 9944%
- Surgery
- 2023: 5442024: 5481%
- Drugs given in the office
- 2023: 4082024: 4295%
- Imaging
- 2023: 2362024: 2516%
- Tests and treatments
- 2023: 02024: 22
Where Dr. Watchmaker's Medicare services took place, 2024
- In an office2,14295%
- In a facility1025%
Dr. Watchmaker compared with the Wisconsin median for orthopaedic hand surgery physicians, 2024
- Dr. Watchmaker
- Wisconsin median
- Medicare services
- 2,244vs 5034.5 times
- Medicare patients
- 622vs 1723.6 times
- Part D claims
- 297vs 486.2 times
Medians across 44 orthopaedic hand surgery physicians in Wisconsin with Dmand AI profiles that report each measure.
Dr. Watchmaker's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Watchmaker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Watchmaker and other orthopaedic hand surgery physicians in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Greg Peter Watchmaker treated 622 Medicare patients in 2024, average age 75
CMS counts 622 Medicare patients who saw Dr. Watchmaker in 2024. The largest group is 65 to 74, with 306 patients. 75% of them have high cholesterol, and 64% have arthritis. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Watchmaker's median patient age at 72, with 58% women.
Dr. Watchmaker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Watchmaker's Medicare patients by sex, 2024
- Women36158%
- Men26142%
Chronic conditions among Dr. Watchmaker's Medicare patients, 2024
- High cholesterol75%
- Arthritis64%
- High blood pressure63%
- Ischemic heart disease29%
- Anxiety23%
- Mood disorders21%
- Depression20%
- Diabetes19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Watchmaker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Greg Peter Watchmaker wrote 310 Medicare Part D claims in 2024
In 2024, Dr. Watchmaker wrote 310 Medicare Part D claims for 214 patients. 99% of them were for generic drugs. CMS names the drug for 297 of them, across 6 drugs with 11 or more claims each, at $1,370 in total drug cost. In 2023, CMS named 292 claims across 5 drugs.
Dr. Watchmaker's Part D claims by kind of drug, 2024
- Generic308 claims99%
- Brand-name and other2 claims1%
Dr. Watchmaker's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Watchmaker's Part D claims, 2024
- Opioids12%38 of 310 claims
- Antibiotics53%164 of 310 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2922024: 2972%
Drugs named by CMS: 6 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Greg Peter Watchmaker scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Watchmaker for performance year 2024, reported individually. Dr. Watchmaker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 29 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Watchmaker, more than 73% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Watchmaker's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Watchmaker ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 73rd percentile29 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Greg Peter Watchmaker has 3 publications on record
Dmand AI links 3 papers to Dr. Watchmaker, published from 2015 to 2019. Dr. Watchmaker's most frequent co-author is Steven T. Grindel, MD.
Dr. Watchmaker's papers by year, 2015 to 2019
Dr. Watchmaker's most frequent co-authors
Recent publications by Dr. Watchmaker
See who Dr. Watchmaker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Watchmaker works with, so you can find a warm path to the right orthopaedic hand surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Greg Peter Watchmaker received $3,609 in industry payments from 2022 to 2025
CMS Open Payments shows 4 general payments to Dr. Watchmaker from 2 drug and device companies from 2022 to 2025. Education make up the largest share, 100% of the total. Great Lakes Orthopedics paid the most, $3,600.
General payments to Dr. Watchmaker by program year, 2022 to 2025
General payments to Dr. Watchmaker by kind, 2022 to 2025
- Education$3,600100%
- Food and beverage$90%
Companies that paid Dr. Watchmaker the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Greg Peter Watchmaker graduated from Washington University School of Medicine
Dr. Watchmaker graduated from Washington University School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Greg Peter Watchmaker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Greg Peter Watchmaker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Greg Peter Watchmaker's NPI number?
Dr. Greg Peter Watchmaker's NPI number is 1275564221. It was assigned on July 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Greg Peter Watchmaker?
Dr. Greg Peter Watchmaker is an orthopaedic hand surgery physician in Mequon, Wisconsin. The primary specialty in the NPI Registry is Orthopaedic Hand Surgery Physician (taxonomy code 207XS0106X).
Where does Dr. Greg Peter Watchmaker practice?
Dr. Watchmaker practices at 1535 W Market St, Mequon, WI 53092-5053. Dr. Watchmaker's primary practice is The Milwaukee Hand Center in Mequon, Wisconsin. Dmand AI also links Dr. Watchmaker to 3 hospitals.
What is Dr. Greg Peter Watchmaker's office phone number?
The practice phone on file for Dr. Watchmaker is (262) 241-9224.
What is Dr. Greg Peter Watchmaker's medical license number?
Dr. Watchmaker holds Wisconsin license 37648.
Which hospitals is Dr. Greg Peter Watchmaker affiliated with?
Dr. Watchmaker is affiliated with Aurora St. Luke's Medical Center. Dmand AI links Dr. Watchmaker to 3 more hospitals.
What medical group is Dr. Greg Peter Watchmaker part of?
Dr. Watchmaker is linked to The Milwaukee Hand Center.
Does Dr. Greg Peter Watchmaker accept Medicare?
Yes. CMS data shows Dr. Watchmaker billed Medicare for 2,244 services in 2024, and Dr. Watchmaker accepts Medicare assignment.
What is Dr. Greg Peter Watchmaker's MIPS score?
Dr. Watchmaker's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. Greg Peter Watchmaker see?
CMS counts 622 Medicare patients who saw Dr. Watchmaker in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
What services does Dr. Greg Peter Watchmaker bill to Medicare?
In 2024, Dr. Watchmaker's most billed Medicare services were office visit, established patient (99213), injected or infused drug (J3301) and surgery: bones and joints (20550).
Where did Dr. Greg Peter Watchmaker go to medical school?
Dr. Watchmaker graduated from Washington University School of Medicine in 1989.
What drugs does Dr. Greg Peter Watchmaker prescribe most?
In 2024 Medicare Part D data, Dr. Watchmaker's most prescribed drugs by claims were Cephalexin, Celecoxib and Hydrocodone-Acetaminophen.
Has Dr. Greg Peter Watchmaker received payments from drug or device companies?
CMS Open Payments shows $3,609 in general payments to Dr. Watchmaker from 2 companies from 2022 to 2025. The largest total came from Great Lakes Orthopedics.
How long has Dr. Greg Peter Watchmaker been practicing?
Dr. Watchmaker graduated from medical school in 1989, 37 years ago.
Does Dr. Greg Peter Watchmaker do research?
Dmand AI links 3 publications to Dr. Watchmaker, published from 2015 to 2019.
Who does Dr. Greg Peter Watchmaker publish with?
Dr. Watchmaker's most frequent co-authors are Steven T. Grindel, MD (1 shared paper).
Selling to hand surgery practices?
See orthopaedic hand surgery physicians in Wisconsin by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card