William Talbert Chapman, M.D.
NPI 1164558920ActiveIndividual· Specialist· National City, CA
Specialist (M.D.) in National City, California, licensed in CA, with an NPI issued in February 2007. Part D covered 53 prescriptions written in 2024, 100% of them generic.
Overview
| NPI | 1164558920 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 26, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | G38997 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 53 · 88 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $1,716 |
| Generic share | 100% of claims |
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