Eric S. Gaenslen, M.D.
NPI 1982633079ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Grafton, WI
Orthopaedic Surgery, Hand Surgery (M.D.) in Grafton, Wisconsin, trained at University of Wisconsin School of Medicine (class of 1989). 290 Medicare patients in 2024, $89,390 paid; all of their 57 Part D prescriptions were generic. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $225.79 in all, mostly food and beverage.
Overview
| NPI | 1982633079 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 1, 2006 |
| Last updated in NPPES | Aug 7, 2024 |
| Certified by provider | Aug 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | 36678 | WI |
| Orthopaedic Surgery | 207X00000X | 36678 | 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 | 290 |
|---|---|
| Services billed | 1,201 across 89 procedure codes |
| Paid by Medicare | $89,390 |
Part D prescriptions in 2024
| Prescriptions (claims) | 57 · 59 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $834.67 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Hand Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Aurora Advanced Healthcare, Inc.Milwaukee, WI · 1,124 clinicians
- Advantage Physical Therapy and Sports Rehab, LLCKenosha, WI · 294 clinicians
Hospital affiliations
- Aurora Medical CenterGrafton, WI
- Aurora Medical Center Sheboygan CountySheboygan, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
Industry payments (Open Payments)
- 2025$225.79 · 2 payments from 2 companies
- 2024$418.59 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $156.75 | 1 |
| Medical Device Business Services, Inc. | $69.04 | 1 |
What the 2025 payments were for
- Food and Beverage$225.79 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records