William Ang Go, M.D.
NPI 1992972715ActiveIndividual· Internal Medicine, Gastroenterology· Lancaster, CA
Internal Medicine, Gastroenterology (M.D.) with Southern California Permanente Medical Group, practicing in Lancaster, California. Part D covered 1,171 prescriptions written in 2024, 84% of them generic. Lists Antelope Valley Hospital as a hospital affiliation.
Overview
| NPI | 1992972715 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 12, 2008 |
| Last updated in NPPES | Nov 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A62008 | 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 - Internal Medicine (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,171 · 1,865 30-day fills |
|---|---|
| Patients | 361 |
| Total drug cost | $403,783 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Antelope Valley HospitalLancaster, 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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