Gerald Sugino, M.D.
NPI 1427036284ActiveIndividual· Internal Medicine· Mission Viejo, CA
Internal Medicine (M.D.) in Mission Viejo, California, trained at University of California, San Diego School of Medicine (class of 1982). 220 Medicare patients in 2024, $54,146 paid; nearly all of their 299 Part D prescriptions were generic (93%). Merck Sharp & Dohme LLC was the largest of 5 companies reporting payments in 2025, $235.27 in all, mostly food and beverage.
Overview
| NPI | 1427036284 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 3, 2006 |
| Last updated in NPPES | Nov 10, 2021 |
| Certified by provider | Nov 10, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G50977 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 220 |
|---|---|
| Services billed | 848 across 14 procedure codes |
| Paid by Medicare | $54,146 |
Part D prescriptions in 2024
| Prescriptions (claims) | 299 · 313 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $16,474 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Internal Medicine |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Providence Mission HospitalMission Viejo, CA
Industry payments (Open Payments)
- 2025$235.27 · 10 payments from 5 companies
- 2024$400.31 · 15 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $55.57 | 2 |
| Kestra Medical Technology Services, Inc. | $54.02 | 3 |
| Pfizer Inc. | $50.63 | 2 |
| Abbvie Inc. | $47.33 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $27.72 | 1 |
What the 2025 payments were for
- Food and Beverage$235.27 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 74 internal medicine physicians in Mission Viejo · All internal medicine physicians in California