Lee-May Chen, MD
NPI 1902861883ActiveIndividual· Obstetrics & Gynecology, Gynecologic Oncology· San Francisco, CA
Obstetrics & Gynecology, Gynecologic Oncology (MD) in San Francisco, California, trained at University of Michigan Medical School (class of 1992). In 2024 Medicare paid $343,445 for 146 patients, and Part D covered 137 of their prescriptions, 85% of them generic. Taiho Oncology, Inc. was the largest of 3 companies reporting payments in 2025, $264.53 in all, mostly compensation for serving as faculty or as a speaker for a me.
Overview
| NPI | 1902861883 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 20, 2006 |
| Last updated in NPPES | Sep 10, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Gynecologic Oncology Primary | 207VX0201X | G83192 | CA |
| Obstetrics & Gynecology | 207V00000X | G83192 | 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 - Obstetrics/Gynecology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 146 |
|---|---|
| Services billed | 10,421 across 61 procedure codes |
| Paid by Medicare | $343,445 |
Part D prescriptions in 2024
| Prescriptions (claims) | 137 · 159 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $157,382 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Obstetrics/Gynecology |
| Secondary specialties | Gynecological Oncology |
| Telehealth | Offers telehealth |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$264.53 · 7 payments from 3 companies
- 2024$358.25 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Taiho Oncology, Inc. | $136.46 | 4 |
| Astrazeneca Pharmaceuticals LP | $88.63 | 2 |
| Caris Mpi, Inc. | $39.44 | 1 |
What the 2025 payments were for
- Compensation for serving as faculty or as a speaker for a medical education program$166.64 · 2 payments
- Travel and Lodging$57.54 · 3 payments
- Food and Beverage$40.35 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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