Carla Joyce Nip Sakamoto, MD
NPI 1932259264ActiveIndividual· Specialist· Honolulu, HI
Specialist (MD) in Honolulu, Hawaii, trained at University of Hawaii John A. Burns School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $217,459 for 731 claims, against $83,201 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $1,398 in all, mostly food and beverage.
Overview
| NPI | 1932259264 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 11, 2007 |
| Last updated in NPPES | Jun 24, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | MD7839 | HI |
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 - Dermatology (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 450 |
|---|---|
| Services billed | 1,818 across 35 procedure codes |
| Paid by Medicare | $83,201 |
Part D prescriptions in 2024
| Prescriptions (claims) | 731 · 899 30-day fills |
|---|---|
| Patients | 334 |
| Total drug cost | $217,459 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Hawaii John A. Burns School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Dermatology |
Medical group
- Oahu Dermatology LLCHonolulu, HI · 3 clinicians
Hospital affiliation
- The Queens Medical CenterHonolulu, HI
Industry payments (Open Payments)
- 2025$1,398 · 40 payments from 14 companies
- 2024$1,556 · 60 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $293.47 | 10 |
| Revance Therapeutics, Inc. | $268.44 | 3 |
| Genzyme Corporation | $144.42 | 4 |
| Pfizer Inc. | $136.04 | 3 |
| Lilly USA, LLC | $97.42 | 3 |
What the 2025 payments were for
- Food and Beverage$1,398 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Specialist providers in Honolulu
- 1053367284
- 1134394612
- 1144313875
- 1184622920
- 1275531154
- 1447358510
- 1497738686
- 1548204514
- 1558334888
- 1578568416
- 1629056528
- 1659419380
All 241 Specialist providers in Honolulu · All Specialist providers in Hawaii