Caleb Warren Hirsch, MD
NPI 1619976800ActiveIndividual· Internal Medicine· West Hills, CA
Internal Medicine (MD) in West Hills, California, trained at New York University School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $487,703 for 6,117 claims, against $176,479 paid for services in 2024.
Overview
| NPI | 1619976800 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 19, 2005 |
| Last updated in NPPES | Oct 8, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G62063 | 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 | 332 |
|---|---|
| Services billed | 2,620 across 8 procedure codes |
| Paid by Medicare | $176,479 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,117 · 6,477 30-day fills |
|---|---|
| Patients | 335 |
| Total drug cost | $487,703 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
Hospital affiliation
- UCLA West Valley Medical CenterWest Hills, CA
Other facilities
- Glory Home Health CareHome health agency · Northridge, CA
- Aasta HospiceHospice · Northridge, CA
- Topanga TerraceNursing home · Canoga Park, CA
- West Hills Health and Rehabilitation CenterNursing home · Canoga Park, CA
- West Valley Post AcuteNursing home · West Hills, 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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