Lisa Leanne Obregon, RN, NP
NPI 1346768934ActiveIndividual· Nurse Practitioner, Gerontology· San Diego, CA
Nurse Practitioner, Gerontology (RN, NP) with Regents of the University of California and 1 other group, practicing in San Diego, California. Their prescriptions cost Medicare Part D more than their services did: $3,203,848 for 1,239 claims, against $9,834 paid for services in 2024. Beone Medicines USA, Inc. was the largest of 2 companies reporting payments in 2025, $147.19 in all, mostly food and beverage. Lists Grossmont Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1346768934 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, NP |
| Sole proprietor | No |
| NPI issued | Sep 2, 2017 |
| Last updated in NPPES | Jun 9, 2026 |
| Certified by provider | Jun 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 95006820 | CA |
| Clinical Nurse Specialist | 364S00000X | 4607 | CA |
| Nurse Practitioner | 363L00000X | 95006820 | CA |
| Registered Nurse | 163W00000X | 549679 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 71 |
|---|---|
| Services billed | 162 across 6 procedure codes |
| Paid by Medicare | $9,834 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,239 · 1,868 30-day fills |
|---|---|
| Patients | 309 |
| Total drug cost | $3,203,848 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
- Medical Oncology Associates of San Diego A Medical Group IncSan Diego, CA · 14 clinicians
Hospital affiliations
- Grossmont HospitalLa Mesa, CA
- Sharp Coronado Hospital and Hlthcr CtrCoronado, CA
- Sharp Memorial HospitalSan Diego, CA
Industry payments (Open Payments)
- 2025$147.19 · 2 payments from 2 companies
- 2024$49.67 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Beone Medicines USA, Inc. | $126.84 | 1 |
| E.R. Squibb & Sons, L.L.C. | $20.35 | 1 |
What the 2025 payments were for
- Food and Beverage$147.19 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 gerontology nurse practitioners in San Diego · All gerontology nurse practitioners in California