Allison Joyce Holt Larkin, MSN, NP
NPI 1548691686ActiveIndividual· Nurse Practitioner, Family· Foster City, CA
Nurse Practitioner, Family (MSN, NP) with UCSF Health Medical Foundation, practicing in Foster City, California. Mostly services rather than prescriptions: Medicare paid $3,089 for 29 patients in 2024, with only 27 Part D claims. Organon LLC was the largest of 2 companies reporting payments in 2025, $54.21 in all, mostly food and beverage. Lists Good Samaritan Hospital as a hospital affiliation.
Overview
| NPI | 1548691686 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, NP |
| Sole proprietor | No |
| NPI issued | Nov 27, 2013 |
| Last updated in NPPES | Aug 1, 2023 |
| Certified by provider | Aug 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | NP95004777 | CA |
| Nurse Practitioner, Family | 363LF0000X | NP9500477 | CA |
| Nurse Practitioner, Family | 363LF0000X | SP013430 | PA |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 29 |
|---|---|
| Services billed | 44 across 12 procedure codes |
| Paid by Medicare | $3,089 |
Part D prescriptions in 2024
| Prescriptions (claims) | 27 · 27 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $124.88 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- UCSF Health Medical FoundationRedwood City, CA · 40 clinicians
Hospital affiliation
- Good Samaritan HospitalSan Jose, CA
Industry payments (Open Payments)
- 2025$54.21 · 3 payments from 2 companies
- 2024$117.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $45.36 | 2 |
| Mayne Pharma Commercial LLC | $8.85 | 1 |
What the 2025 payments were for
- Food and Beverage$54.21 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family nurse practitioners in Foster City
- 1336761378
- 1073049094
- 1346848579
- 1487573473
- 1659301000
- 1861399842
- 1649631078
- 1669259875