Joanna Lin, MD
NPI 1043276496ActiveIndividual· Internal Medicine· San Jose, CA
Internal Medicine (MD) in San Jose, California, trained at Georgetown University School of Medicine (class of 2003). In 2024 Medicare paid $43,566 for 202 patients, and Part D covered 85 of their prescriptions, 87% of them generic. Polynovo North America LLC reported $47.24 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043276496 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 25, 2006 |
| Last updated in NPPES | Sep 12, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A88899 | 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 | 202 |
|---|---|
| Services billed | 413 across 7 procedure codes |
| Paid by Medicare | $43,566 |
Part D prescriptions in 2024
| Prescriptions (claims) | 85 · 96 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $9,559 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Internal Medicine |
Medical group
- Vituity Hospitalists PCRedwood City, CA · 79 clinicians
Hospital affiliation
- Sequoia HospitalRedwood City, CA
Industry payments (Open Payments)
- 2025$47.24 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Polynovo North America LLC | $47.24 | 1 |
What the 2025 payments were for
- Food and Beverage$47.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 502 internal medicine physicians in San Jose · All internal medicine physicians in California