William Wang, D.O.
NPI 1508213646ActiveIndividual· Internal Medicine· Whittier, CA
Internal Medicine (D.O.) in Whittier, California, trained at At Still Un of Hlth Sciences, Col of Osteo Med, Mesa (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $1,263,580 for 13,386 claims, against $9,621 paid for services in 2024.
Overview
| NPI | 1508213646 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 18, 2016 |
| Last updated in NPPES | May 23, 2024 |
| Certified by provider | May 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A22387 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 76 |
|---|---|
| Services billed | 207 across 32 procedure codes |
| Paid by Medicare | $9,621 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,386 · 35,087 30-day fills |
|---|---|
| Patients | 2,062 |
| Total drug cost | $1,263,580 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | At Still Un of Hlth Sciences, Col of Osteo Med, Mesa |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Pih Health PhysiciansSanta Fe Springs, CA · 622 clinicians
Hospital affiliations
- Pih Health Downey HospitalDowney, CA
- Pih Health Hospital-WhittierWhittier, CA
Other facilities
- Presbyterian Intercommunity Hospital Home HealthHome health agency · La Mirada, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 55 internal medicine physicians in Whittier · All internal medicine physicians in California