Jiin T. Lin, M.D.
NPI 1306813183ActiveIndividual· Internal Medicine· Fremont, CA
Internal Medicine (M.D.) in Fremont, California, licensed in CA, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $165,122 for 3,020 claims, against $89,736 paid for services in 2024. Kowa Pharmaceuticals America, Inc. was the largest of 5 companies reporting payments in 2025, $375.67 in all, mostly food and beverage. Lists Washington Hospital as a hospital affiliation.
Overview
| NPI | 1306813183 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 1, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A46675 | 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 | 260 |
|---|---|
| Services billed | 1,344 across 19 procedure codes |
| Paid by Medicare | $89,736 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,020 · 7,887 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $165,122 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1979 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Washington HospitalFremont, CA
Other facilities
- Vital Home Health CareHome health agency · Hayward, CA
Industry payments (Open Payments)
- 2025$375.67 · 13 payments from 5 companies
- 2024$871.12 · 21 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kowa Pharmaceuticals America, Inc. | $111.86 | 5 |
| Glaxosmithkline, LLC. | $102.45 | 2 |
| Lilly USA, LLC | $89.83 | 3 |
| Pfizer Inc. | $50.35 | 2 |
| Gilead Sciences, Inc. | $21.18 | 1 |
What the 2025 payments were for
- Food and Beverage$375.67 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 147 internal medicine physicians in Fremont · All internal medicine physicians in California