Mary Okimoto, NP
NPI 1144400771ActiveIndividual· Nurse Practitioner· San Luis Obispo, CA
Nurse Practitioner (NP) with The Regents of the University of California, practicing in San Luis Obispo, California. Their prescriptions cost Medicare Part D more than their services did: $408,395 for 276 claims, against $27,624 paid for services in 2024. Kite Pharma, Inc. was the largest of 5 companies reporting payments in 2025, $212.33 in all, mostly food and beverage. Lists Adventist Health Sierra Vista and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1144400771 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Nov 12, 2007 |
| Last updated in NPPES | Feb 11, 2025 |
| Certified by provider | Feb 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 17444 | CA |
| Nurse Practitioner | 363L00000X | 567717 | 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 | 43 |
|---|---|
| Services billed | 934 across 20 procedure codes |
| Paid by Medicare | $27,624 |
Part D prescriptions in 2024
| Prescriptions (claims) | 276 · 388 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $408,395 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaSanta Monica, CA · 1,462 clinicians
Hospital affiliations
- Adventist Health Sierra VistaSan Luis Obispo, CA
- Adventist Health Twin CitiesTempleton, CA
- French Hospital Medical CenterSan Luis Obispo, CA
- Marian Regional Medical CenterSanta Maria, CA
Industry payments (Open Payments)
- 2025$212.33 · 5 payments from 5 companies
- 2024$481.53 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kite Pharma, Inc. | $120.96 | 1 |
| Celgene Corporation | $29.07 | 1 |
| Abbvie Inc. | $24.77 | 1 |
| Merck Sharp & Dohme LLC | $20.21 | 1 |
| Daiichi Sankyo Inc. | $17.32 | 1 |
What the 2025 payments were for
- Food and Beverage$212.33 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 nurse practitioners in San Luis Obispo · All nurse practitioners in California