Ronald Ngayan, MD
NPI 1134302847ActiveIndividual· Family Medicine· Cerritos, CA
Family Medicine (MD) with Southern California Permanente Medical Group, practicing in Cerritos, California. Part D covered 5,494 prescriptions written in 2024, 89% of them generic. Bayer Healthcare Pharmaceuticals Inc. reported $85.87 in payments in 2024, mostly food and beverage. Lists Kaiser Foundation Hospital - Downey as a hospital affiliation.
Overview
| NPI | 1134302847 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 17, 2007 |
| Last updated in NPPES | Nov 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 57.013772 | OH |
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 - Family Practice (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 5,494 · 14,568 30-day fills |
|---|---|
| Patients | 2,097 |
| Total drug cost | $244,060 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - DowneyDowney, CA
Industry payments (Open Payments)
- 2024$85.87 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $85.87 | 1 |
What the 2024 payments were for
- Food and Beverage$85.87 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 family medicine physicians in Cerritos · All family medicine physicians in California