Ernest Lincoln Bonner Jr., MD
NPI 1992785703ActiveIndividual· Internal Medicine· Alameda, CA
Internal Medicine (MD) in Alameda, California, trained at Duke University School of Medicine (class of 1975). Their prescriptions cost Medicare Part D more than their services did: $103,915 for 1,513 claims, against $16,713 paid for services in 2024.
Overview
| NPI | 1992785703 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 18, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A30477 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 22 |
|---|---|
| Services billed | 167 across 3 procedure codes |
| Paid by Medicare | $16,713 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,513 · 1,557 30-day fills |
|---|---|
| Patients | 51 |
| Total drug cost | $103,915 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 1975 |
| Medicare specialty | Internal Medicine |
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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