Claudio V. Zawitkowski, M.D.,
NPI 1578558623ActiveIndividual· Internal Medicine· San Diego, CA
Internal Medicine (M.D.,) with A.V. Meridien Medical Group, Inc, practicing in San Diego, California. Their prescriptions cost Medicare Part D more than their services did: $584,362 for 5,198 claims, against $144,073 paid for services in 2024. Lists Antelope Valley Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1578558623 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., |
| Sole proprietor | Yes |
| NPI issued | Sep 14, 2005 |
| Last updated in NPPES | Nov 19, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A49794 | CA |
| Internal Medicine, Nephrology | 207RN0300X | A49794 | 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 | 139 |
|---|---|
| Services billed | 1,662 across 17 procedure codes |
| Paid by Medicare | $144,073 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,198 · 5,298 30-day fills |
|---|---|
| Patients | 109 |
| Total drug cost | $584,362 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- A.V. Meridien Medical Group, IncPalmdale, CA · 3 clinicians
Hospital affiliations
- Antelope Valley HospitalLancaster, CA
- Palmdale Regional Medical CenterPalmdale, CA
Other facilities
- Sacred Heart Health Care Providers IncHome health agency · El Cajon, CA
- Avalon Hospice & Palliative CareHospice · San Diego, CA
- Boulder Creek Post AcuteNursing home · Poway, CA
- Lakeside Special Care CenterNursing home · Lakeside, CA
- Parkside Health and Wellness CenterNursing home · El Cajon, 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 1,103 internal medicine physicians in San Diego · All internal medicine physicians in California