Geoffrey Yuk Fung Tsoi, DO
NPI 1497100606ActiveIndividual· Family Medicine· Lancaster, CA
Family Medicine (DO) with Cedars-Sinai Medical Care Foundation and 1 other group, practicing in Lancaster, California. In 2024 Medicare paid $7,082 for 69 patients, and Part D covered 87 of their prescriptions, 66% of them generic. Astrazeneca Pharmaceuticals LP reported $14.50 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1497100606 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 26, 2016 |
| Last updated in NPPES | Mar 19, 2026 |
| Certified by provider | Mar 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A17304 | CA |
| Family Medicine | 207Q00000X | 341148 | NY |
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 - Family Practice (CA); Practitioner - Family Practice (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 69 |
|---|---|
| Services billed | 80 across 6 procedure codes |
| Paid by Medicare | $7,082 |
Part D prescriptions in 2024
| Prescriptions (claims) | 87 · 119 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $3,771 |
| Generic share | 66% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA · 1,692 clinicians
- Bartz-Altadonna Community Health CenterLancaster, CA · 20 clinicians
Industry payments (Open Payments)
- 2025$14.50 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $14.50 | 1 |
What the 2025 payments were for
- Food and Beverage$14.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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