William Wang, M.D.
NPI 1730317603ActiveIndividual· Orthopaedic Surgery, Foot and Ankle Surgery· Mission Viejo, CA
Orthopaedic Surgery, Foot and Ankle Surgery (M.D.) in Mission Viejo, California, trained at University of Pittsburgh School of Medicine (class of 2009). 246 Medicare patients in 2024, $99,854 paid; nearly all of their 113 Part D prescriptions were generic (97%). Stryker Corporation was the largest of 3 companies reporting payments in 2025, $368.64 in all, mostly food and beverage.
Overview
| NPI | 1730317603 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 30, 2009 |
| Last updated in NPPES | Feb 17, 2020 |
| Certified by provider | Feb 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Foot and Ankle Surgery Primary | 207XX0004X | A130943 | CA |
| Orthopaedic Surgery | 207X00000X | A130943 | CA |
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 - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 246 |
|---|---|
| Services billed | 1,301 across 96 procedure codes |
| Paid by Medicare | $99,854 |
Part D prescriptions in 2024
| Prescriptions (claims) | 113 · 113 30-day fills |
|---|---|
| Patients | 72 |
| Total drug cost | $2,529 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Orthopaedic Specialty Institute Medical Group of Orange CountyNewport Beach, CA · 64 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Providence Mission HospitalMission Viejo, CA
Other facilities
- Acacia Hh&p of Southern California, LLCHome health agency · Irvine, CA
- Acacia Home Health ServicesHome health agency · Glendale, CA
Industry payments (Open Payments)
- 2025$368.64 · 4 payments from 3 companies
- 2024$437.66 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $257.96 | 2 |
| Acumed LLC | $80.64 | 1 |
| Smith+nephew, Inc. | $30.04 | 1 |
What the 2025 payments were for
- Food and Beverage$368.64 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery, Foot and Ankle Surgery providers in Mission Viejo
- 1578880324
All Orthopaedic Surgery, Foot and Ankle Surgery providers in California