Greg Peter Watchmaker, MD
NPI 1275564221ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Mequon, WI
Orthopaedic Surgery, Hand Surgery (MD) in Mequon, Wisconsin, trained at Washington University School of Medicine (class of 1989). 622 Medicare patients in 2024, $142,471 paid; nearly all of their 310 Part D prescriptions were generic (99%). Orthofix Medical, Inc. reported $9.23 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1275564221 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | 37648 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hand Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 622 |
|---|---|
| Services billed | 2,379 across 60 procedure codes |
| Paid by Medicare | $142,471 |
Part D prescriptions in 2024
| Prescriptions (claims) | 310 · 312 30-day fills |
|---|---|
| Patients | 214 |
| Total drug cost | $1,416 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Hand Surgery |
Medical group
- Milwaukee Hand Center S CMequon, WI · 4 clinicians
Hospital affiliations
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI
- Aurora Memorial Hospital BurlingtonBurlington, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
- Orthopaedic Hospital of WisconsinGlendale, WI
Industry payments (Open Payments)
- 2025$9.23 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Orthofix Medical, Inc. | $9.23 | 1 |
What the 2025 payments were for
- Food and Beverage$9.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery, Hand Surgery providers in Mequon
- 1144797614
- 1013989185
All Orthopaedic Surgery, Hand Surgery providers in Wisconsin