Serena Yen Shan Tan, M.D.
NPI 1639332299ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Stanford, CA
Pathology, Anatomic Pathology & Clinical Pathology (M.D.) in Stanford, California, trained at Duke University School of Medicine (class of 2008). Medicare paid $17,920 for services to 111 patients in 2024. Novartis Pharmaceuticals Corporation reported $28.07 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1639332299 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 3, 2008 |
| Last updated in NPPES | Mar 13, 2024 |
| Certified by provider | Mar 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | A109573 | CA |
| Pathology, Pediatric Pathology | 207ZP0213X | A109537 | 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 - Pathology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 111 |
|---|---|
| Services billed | 580 across 15 procedure codes |
| Paid by Medicare | $17,920 |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Pathology |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$28.07 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $28.07 | 1 |
What the 2025 payments were for
- Food and Beverage$28.07 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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