Kelly Hamamoto, PA-C
NPI 1427828052ActiveIndividual· Physician Assistant· Los Altos, CA
Physician Assistant (PA-C) with Sutter Bay Medical Foundation, practicing in Los Altos, California. In 2024 Medicare paid $5,562 for 48 patients, and Part D covered 53 of their prescriptions, 74% of them generic. Madrigal Pharmaceuticals was the largest of 2 companies reporting payments in 2025, $143.32 in all, mostly food and beverage.
Overview
| NPI | 1427828052 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Jan 4, 2024 |
| Last updated in NPPES | Oct 7, 2025 |
| Certified by provider | Oct 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 63852 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 48 |
|---|---|
| Services billed | 61 across 11 procedure codes |
| Paid by Medicare | $5,562 |
Part D prescriptions in 2024
| Prescriptions (claims) | 53 · 67 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $8,306 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Industry payments (Open Payments)
- 2025$143.32 · 2 payments from 2 companies
- 2024$135.64 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $124.99 | 1 |
| Coopersurgical, Inc. | $18.33 | 1 |
What the 2025 payments were for
- Food and Beverage$143.32 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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