Stephanie Chan, FNP-BC
NPI 1477280030ActiveIndividual· Nurse Practitioner· Walnut Creek, CA
Nurse Practitioner (FNP-BC) with Optum Medical Care PC and 1 other group, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $202,725 for 974 claims, against $42,031 paid for services in 2024. Madrigal Pharmaceuticals reported $229.07 in payments in 2025, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1477280030 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | No |
| NPI issued | Aug 4, 2022 |
| Last updated in NPPES | Dec 17, 2025 |
| Certified by provider | Dec 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | NP95033145 | 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 - Nurse Practitioner (CA); Practitioner - Nurse Practitioner (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 367 |
|---|---|
| Services billed | 974 across 50 procedure codes |
| Paid by Medicare | $42,031 |
Part D prescriptions in 2024
| Prescriptions (claims) | 974 · 1,755 30-day fills |
|---|---|
| Patients | 336 |
| Total drug cost | $202,725 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Optum Medical Care PCPoughkeepsie, NY · 1,010 clinicians
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$229.07 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $229.07 | 2 |
What the 2025 payments were for
- Food and Beverage$229.07 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 74 nurse practitioners in Walnut Creek · All nurse practitioners in California