Lisa Marie Buffum, RN, MS, GNP
NPI 1205145802ActiveIndividual· Nurse Practitioner, Gerontology· Walnut Creek, CA
Listed on the HHS-OIG exclusion list since January 2025 (1128b4). Nurse Practitioner, Gerontology (RN, MS, GNP) in Walnut Creek, California, licensed in CA, with an NPI issued in September 2010.
Overview
| NPI | 1205145802 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, MS, GNP |
| Sole proprietor | No |
| NPI issued | Sep 29, 2010 |
| Last updated in NPPES | Sep 29, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 20058 | CA |
Exclusion screening
This NPI appears on the OIG exclusion list. Excluded parties cannot be paid by Medicare, Medicaid or other federal health care programs, directly or through an employer.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| NPI | Lisa Marie Buffum · Nurse/Nurses Aide | 1128b4 | Jan 20, 2025 | Martinez, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Listed (NPI) | See above |
| 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 |
|---|
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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