Paul Diehl, M.D.
NPI 1336215607ActiveIndividual· Internal Medicine· West Hills, CA
Internal Medicine (M.D.) in West Hills, California, trained at University College of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $753,873 for 7,511 claims, against $354,263 paid for services in 2024. Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $304.53 in all, mostly food and beverage.
Overview
| NPI | 1336215607 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 28, 2006 |
| Last updated in NPPES | Jul 21, 2020 |
| Certified by provider | Jul 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A044437 | 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 - Hospice/Palliative Care (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 367 |
|---|---|
| Services billed | 4,085 across 31 procedure codes |
| Paid by Medicare | $354,263 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,511 · 14,235 30-day fills |
|---|---|
| Patients | 368 |
| Total drug cost | $753,873 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University College of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Hospice/Palliative Care |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Northridge Hospital Medical CenterNorthridge, CA
- UCLA West Valley Medical CenterWest Hills, CA
Other facilities
- Kaelin's Home Health, IncHome health agency · Canoga Park, CA
- New Horizon Home Health CareHome health agency · Glendale, CA
- Americus Hospice, IncHospice · Simi Valley, 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)
- 2025$304.53 · 13 payments from 6 companies
- 2024$634.83 · 20 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $176.81 | 7 |
| Novo Nordisk Inc | $41.31 | 2 |
| Glaxosmithkline, LLC. | $27.59 | 1 |
| Tolmar, Inc. | $23.68 | 1 |
| Novartis Pharmaceuticals Corporation | $18.40 | 1 |
What the 2025 payments were for
- Food and Beverage$304.53 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 internal medicine physicians in West Hills · All internal medicine physicians in California