William W. Whang, MD
NPI 1790734192ActiveIndividual· Orthopaedic Surgery· Modesto, CA
Orthopaedic Surgery (MD) with Sutter Valley Medical Foundation, practicing in Modesto, California. 841 Medicare patients in 2024, $304,771 paid; all of their 793 Part D prescriptions were generic. Orthalign Inc reported $19.03 in payments in 2025, mostly food and beverage. Lists Adventist Health Sonora and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1790734192 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 10, 2006 |
| Last updated in NPPES | Jun 10, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | A81829 | 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 | 841 |
|---|---|
| Services billed | 3,771 across 61 procedure codes |
| Paid by Medicare | $304,771 |
Part D prescriptions in 2024
| Prescriptions (claims) | 793 · 867 30-day fills |
|---|---|
| Patients | 299 |
| Total drug cost | $8,259 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical group
- Sutter Valley Medical FoundationModesto, CA · 2,500 clinicians
Hospital affiliations
- Adventist Health SonoraSonora, CA
- Memorial Hospital Los BanosLos Banos, CA
- Memorial Medical CenterModesto, CA
- Sutter Tracy Community HospitalTracy, CA
Other facilities
- Careone Home Health and Hospice, IncHome health agency · Salida, CA
- Compassionate Care Home Health Agency, LLCHome health agency · Fresno, CA
- Sutter Care at HomeHome health agency · Salida, CA
Industry payments (Open Payments)
- 2025$19.03 · 1 payment from 1 company
- 2024$2,769 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Orthalign Inc | $19.03 | 1 |
What the 2025 payments were for
- Food and Beverage$19.03 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 orthopedic surgeons in Modesto · All orthopedic surgeons in California