Grace Harumi Nakamura, PA
NPI 1639793110ActiveIndividual· Physician Assistant· Fountain Valley, CA
Physician Assistant (PA) with First Oc Dermatology PC and 1 other group, practicing in Fountain Valley, California. 181 Medicare patients in 2024, $30,204 paid; nearly all of their 224 Part D prescriptions were generic (98%). Arcutis Biotherapeutics, Inc. was the largest of 7 companies reporting payments in 2025, $508.58 in all, mostly food and beverage.
Overview
| NPI | 1639793110 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | Jun 1, 2020 |
| Last updated in NPPES | Jan 22, 2026 |
| Certified by provider | Jan 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 60016 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 181 |
|---|---|
| Services billed | 854 across 18 procedure codes |
| Paid by Medicare | $30,204 |
Part D prescriptions in 2024
| Prescriptions (claims) | 224 · 241 30-day fills |
|---|---|
| Patients | 104 |
| Total drug cost | $8,064 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- First Oc Dermatology PCFountain Valley, CA · 13 clinicians
- Leonard H Kim MD Medical CorpBeverly Hills, CA · 2 clinicians
Industry payments (Open Payments)
- 2025$508.58 · 10 payments from 7 companies
- 2024$321.30 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arcutis Biotherapeutics, Inc. | $204.25 | 4 |
| Galderma Laboratories, L.P. | $150.00 | 1 |
| Regeneron Healthcare Solutions, Inc. | $38.26 | 1 |
| Genzyme Corporation | $36.73 | 1 |
| Abbvie Inc. | $32.90 | 1 |
What the 2025 payments were for
- Food and Beverage$508.58 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 62 physician assistants in Fountain Valley · All physician assistants in California