Mahyar Derakhshani, MD
NPI 1447308325ActiveIndividual· Internal Medicine· Bellflower, CA
Internal Medicine (MD) with Southern California Permanente Medical Group, practicing in Bellflower, California. Their prescriptions cost Medicare Part D more than their services did: $26,519 for 392 claims, against $6,385 paid for services in 2024. Lists Kaiser Foundation Hospital - Downey as a hospital affiliation.
Overview
| NPI | 1447308325 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 8, 2007 |
| Last updated in NPPES | Dec 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A84704 | 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 | 18 |
|---|---|
| Services billed | 67 across 4 procedure codes |
| Paid by Medicare | $6,385 |
Part D prescriptions in 2024
| Prescriptions (claims) | 392 · 735 30-day fills |
|---|---|
| Patients | 158 |
| Total drug cost | $26,519 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - DowneyDowney, 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 75 internal medicine physicians in Bellflower · All internal medicine physicians in California