Rex Chan, FNP
NPI 1821583576ActiveIndividual· Nurse Practitioner, Family· Folsom, CA
Nurse Practitioner, Family (FNP) in Folsom, California, licensed in CA, with an NPI issued in June 2018. Part D covered 2,034 prescriptions written in 2024, 53% of them generic. Eisai Inc. was the largest of 10 companies reporting payments in 2025, $344.43 in all, mostly food and beverage.
Overview
| NPI | 1821583576 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Jun 26, 2018 |
| Last updated in NPPES | Nov 22, 2024 |
| Certified by provider | Nov 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95009017 | 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 - Nurse Practitioner (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,034 · 2,882 30-day fills |
|---|---|
| Patients | 466 |
| Total drug cost | $3,957,598 |
| Generic share | 53% of claims |
Industry payments (Open Payments)
- 2025$344.43 · 11 payments from 10 companies
- 2024$4,192 · 37 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eisai Inc. | $111.69 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $30.12 | 1 |
| Daiichi Sankyo Inc. | $29.93 | 1 |
| Incyte Corporation | $29.73 | 1 |
| Pfizer Inc. | $27.99 | 1 |
What the 2025 payments were for
- Food and Beverage$344.43 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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