Lily Jenny Tsai, MD
NPI 1184633638ActiveIndividual· Obstetrics & Gynecology· Encinitas, CA
Obstetrics & Gynecology (MD) in Encinitas, California, trained at University of Southern California Keck School of Medicine (class of 2006). In 2024 Medicare paid $23,444 for 98 patients, and Part D covered 207 of their prescriptions, 84% of them generic. Astellas Pharma US Inc was the largest of 11 companies reporting payments in 2025, $612.34 in all, mostly food and beverage.
Overview
| NPI | 1184633638 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 5, 2006 |
| Last updated in NPPES | Mar 12, 2020 |
| Certified by provider | Mar 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | A109827 | 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 - Obstetrics/Gynecology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 357 across 27 procedure codes |
| Paid by Medicare | $23,444 |
Part D prescriptions in 2024
| Prescriptions (claims) | 207 · 465 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $20,450 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Scripps Memorial Hospital - EncinitasEncinitas, CA
- Scripps Memorial Hospital la JollaLa Jolla, CA
Industry payments (Open Payments)
- 2025$612.34 · 35 payments from 11 companies
- 2024$865.52 · 44 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $113.50 | 4 |
| Sumitomo Pharma America, Inc. | $90.51 | 5 |
| Mayne Pharma Commercial LLC | $83.52 | 6 |
| Evofem Biosciences, Inc. | $77.20 | 10 |
| Meditrina | $57.76 | 1 |
What the 2025 payments were for
- Food and Beverage$612.34 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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