Jeffrey A. Kahn, M.D.
NPI 1639194822ActiveIndividual· Internal Medicine, Transplant Hepatology· Los Angeles, CA
Internal Medicine, Transplant Hepatology (M.D.) with Usc Care Medical Group Inc, practicing in Los Angeles, California. Their prescriptions cost Medicare Part D more than their services did: $622,327 for 1,413 claims, against $48,265 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 8 companies reporting payments in 2025, $1,184 in all, mostly food and beverage. Lists Keck Hospital of Usc and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1639194822 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Dec 14, 2020 |
| Certified by provider | Dec 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Transplant Hepatology Primary | 207RT0003X | G81319 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | G81319 | CA |
| Internal Medicine, Hepatology | 207RI0008X | G81319 | 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 - Gastroenterology (CA); Practitioner - Gastroenterology (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 257 |
|---|---|
| Services billed | 577 across 25 procedure codes |
| Paid by Medicare | $48,265 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,413 · 2,091 30-day fills |
|---|---|
| Patients | 153 |
| Total drug cost | $622,327 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Usc Care Medical Group IncLos Angeles, CA · 1,380 clinicians
Hospital affiliations
- Keck Hospital of UscLos Angeles, CA
- Los Angeles General Medical CenterLos Angeles, CA
- Usc Verdugo Hills HospitalGlendale, CA
Industry payments (Open Payments)
- 2025$1,184 · 10 payments from 8 companies
- 2024$303.24 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $400.00 | 1 |
| Madrigal Pharmaceuticals | $295.59 | 2 |
| Boston Scientific Corporation | $169.60 | 1 |
| Gilead Sciences, Inc. | $121.81 | 1 |
| Abbvie Inc. | $95.18 | 1 |
What the 2025 payments were for
- Food and Beverage$783.52 · 9 payments
- Consulting Fee$400.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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