William Buchanan Workman, M.D.
NPI 1952376352ActiveIndividual· Orthopaedic Surgery· Walnut Creek, CA
Orthopaedic Surgery (M.D.) in Walnut Creek, California, trained at Tulane University School of Medicine (class of 1994). 396 Medicare patients in 2024, $204,786 paid; nearly all of their 295 Part D prescriptions were generic (99%). Arthrex, Inc. was the largest of 9 companies reporting payments in 2025, $5,123 in all, mostly travel and lodging.
Overview
| NPI | 1952376352 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 20, 2006 |
| Last updated in NPPES | Feb 10, 2025 |
| Certified by provider | Feb 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | A72343 | CA |
| Orthopaedic Surgery, Sports Medicine | 207XX0005X | A72343 | 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 | 396 |
|---|---|
| Services billed | 1,591 across 52 procedure codes |
| Paid by Medicare | $204,786 |
Part D prescriptions in 2024
| Prescriptions (claims) | 295 · 313 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $4,492 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Bass Medical GroupChico, CA · 291 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Other facilities
- Prohealth Home Care, IncHome health agency · San Jose, CA
- Prohealth Home Care, IncHome health agency · Stockton, CA
- Prohealth Home Care, IncHome health agency · Sacramento, CA
Industry payments (Open Payments)
- 2025$5,123 · 55 payments from 9 companies
- 2024$7,734 · 22 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $2,995 | 33 |
| Evolution Surgical, Inc | $1,480 | 8 |
| Moximed, Inc | $262.64 | 7 |
| Depuy Synthes Sales Inc. | $137.13 | 1 |
| Mimedx Group, Inc. | $131.65 | 1 |
What the 2025 payments were for
- Travel and Lodging$2,659 · 9 payments
- Food and Beverage$2,464 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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