Marc Irving Lavin, M.D.
NPI 1326048638ActiveIndividual· Internal Medicine· West Hills, CA
Internal Medicine (M.D.) in West Hills, California, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $477,057 for 3,336 claims, against $66,453 paid for services in 2024. Amgen Inc. was the largest of 14 companies reporting payments in 2025, $631.84 in all, mostly food and beverage.
Overview
| NPI | 1326048638 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 28, 2005 |
| Last updated in NPPES | Dec 30, 2019 |
| Certified by provider | Dec 30, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A54809 | 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 | 135 |
|---|---|
| Services billed | 733 across 20 procedure codes |
| Paid by Medicare | $66,453 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,336 · 6,660 30-day fills |
|---|---|
| Patients | 159 |
| Total drug cost | $477,057 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
Hospital affiliation
- UCLA West Valley Medical CenterWest Hills, CA
Other facilities
- Home Health 4u, IncHome health agency · Granada Hills, CA
- Kaelin's Home Health, IncHome health agency · Canoga Park, CA
Industry payments (Open Payments)
- 2025$631.84 · 29 payments from 14 companies
- 2024$642.30 · 29 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $124.90 | 6 |
| Lilly USA, LLC | $116.32 | 5 |
| Astrazeneca Pharmaceuticals LP | $74.33 | 3 |
| Novartis Pharmaceuticals Corporation | $48.57 | 2 |
| Pfizer Inc. | $43.61 | 2 |
What the 2025 payments were for
- Food and Beverage$631.84 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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