Esther Yoon Nickelson, FNP-C
NPI 1164068268ActiveIndividual· Nurse Practitioner· Oakland, CA
Nurse Practitioner (FNP-C) in Oakland, California, licensed in MT and CA, with an NPI issued in November 2019. Their prescriptions cost Medicare Part D more than their services did: $1,362 for 11 claims, against $710.38 paid for services in 2024.
Overview
| NPI | 1164068268 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Nov 23, 2019 |
| Last updated in NPPES | Sep 26, 2022 |
| Certified by provider | Sep 14, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 161969 | MT |
| Registered Nurse | 163W00000X | 161968 | MT |
| Registered Nurse | 163W00000X | 95154363 | CA |
| Nurse Practitioner, Family | 363LF0000X | 95013748 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 15 across 4 procedure codes |
| Paid by Medicare | $710.38 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 15 30-day fills |
|---|---|
| Total drug cost | $1,362 |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 94 nurse practitioners in Oakland · All nurse practitioners in California