Harry Naonobu Yoshino I, M.D.
NPI 1790848638ActiveIndividual· Specialist· Honolulu, HI
Specialist (M.D.) with Ttnydandd OBGYN Inc, practicing in Honolulu, Hawaii. Their prescriptions cost Medicare Part D more than their services did: $536,953 for 749 claims, against $48,008 paid for services in 2024. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $638.41 in all, mostly food and beverage. Lists Kapiolani Medical Center for Women & Children and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1790848638 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 19, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | MD5925 | 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 - Obstetrics/Gynecology (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 293 |
|---|---|
| Services billed | 1,229 across 18 procedure codes |
| Paid by Medicare | $48,008 |
Part D prescriptions in 2024
| Prescriptions (claims) | 749 · 2,567 30-day fills |
|---|---|
| Patients | 281 |
| Total drug cost | $536,953 |
| Generic share | 61% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Ttnydandd OBGYN IncHonolulu, HI · 3 clinicians
Hospital affiliations
- Kapiolani Medical Center for Women & ChildrenHonolulu, HI
- Kuakini Medical CenterHonolulu, HI
- Pali Momi Medical CenterAiea, HI
- Straub Clinic and HospitalHonolulu, HI
- The Queens Medical CenterHonolulu, HI
Industry payments (Open Payments)
- 2025$638.41 · 24 payments from 6 companies
- 2024$834.21 · 31 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $368.27 | 11 |
| Astellas Pharma US Inc | $151.74 | 7 |
| Merck Sharp & Dohme LLC | $41.88 | 2 |
| Exact Sciences Corporation | $39.50 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $20.45 | 1 |
What the 2025 payments were for
- Food and Beverage$463.41 · 23 payments
- Consulting Fee$175.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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