Antonis Antoniou, MD
NPI 1861564601ActiveIndividual· Internal Medicine· Fresno, CA
Internal Medicine (MD) with Permanente Medical Group Inc, practicing in Fresno, California. Their prescriptions cost Medicare Part D more than their services did: $275,980 for 4,893 claims, against $3,692 paid for services in 2024. Lists Kaiser Foundation Hospital - Fresno as a hospital affiliation.
Overview
| NPI | 1861564601 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 15, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A41273 | 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 | 23 |
|---|---|
| Services billed | 42 across 8 procedure codes |
| Paid by Medicare | $3,692 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,893 · 5,800 30-day fills |
|---|---|
| Patients | 318 |
| Total drug cost | $275,980 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - FresnoFresno, 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 428 internal medicine physicians in Fresno · All internal medicine physicians in California