William F. Sima, MD INC
NPI 1770505505ActiveIndividual· Orthopaedic Surgery· Templeton, CA
Orthopaedic Surgery (MD INC) in Templeton, California, trained at University of Southern California Keck School of Medicine (class of 1985). 522 Medicare patients in 2024, $272,149 paid; nearly all of their 1,019 Part D prescriptions were generic (99%). Arthrex, Inc. was the largest of 4 companies reporting payments in 2025, $4,399 in all, mostly travel and lodging.
Overview
| NPI | 1770505505 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD INC |
| Sole proprietor | Yes |
| NPI issued | Jul 24, 2006 |
| Last updated in NPPES | May 28, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G58221 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 522 |
|---|---|
| Services billed | 2,755 across 78 procedure codes |
| Paid by Medicare | $272,149 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,019 · 1,020 30-day fills |
|---|---|
| Patients | 214 |
| Total drug cost | $13,329 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- David B. HammerTempleton, CA · 123 clinicians
- William F Sima MD IncTempleton, CA · 2 clinicians
Hospital affiliations
- Adventist Health Twin CitiesTempleton, CA
- French Hospital Medical CenterSan Luis Obispo, CA
Other facilities
- Central Coast Home Health IncHome health agency · San Luis Obispo, CA
Industry payments (Open Payments)
- 2025$4,399 · 35 payments from 4 companies
- 2024$3,182 · 20 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $2,191 | 25 |
| Cornerstone Medical Associates, Inc. | $2,108 | 8 |
| Zimmer Biomet Holdings, Inc. | $77.53 | 1 |
| Heron Therapeutics, Inc. | $22.95 | 1 |
What the 2025 payments were for
- Travel and Lodging$2,488 · 5 payments
- Food and Beverage$1,834 · 29 payments
- Education$77.53 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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