Johnson Ong, DO
NPI 1568045508ActiveIndividual· Internal Medicine, Rheumatology· Loma Linda, CA
Internal Medicine, Rheumatology (DO) with Faculty Physicians and Surgeons of Llusm and 2 other groups, practicing in Loma Linda, California. Part D covered 201 prescriptions written in 2024, 88% of them generic. Aurinia Pharma U.S., Inc. was the largest of 3 companies reporting payments in 2025, $201.67 in all, mostly food and beverage. Lists Loma Linda University Medical Center as a hospital affiliation.
Overview
| NPI | 1568045508 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Apr 28, 2021 |
| Last updated in NPPES | Jul 27, 2026 |
| Certified by provider | Jul 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 20A22465 | 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 - Rheumatology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 201 · 285 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $22,367 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
Medical groups
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
- Sac Health SystemSan Bernardino, CA · 227 clinicians
- County of RiversideIndio, CA · 193 clinicians
Hospital affiliation
- Loma Linda University Medical CenterLoma Linda, CA
Industry payments (Open Payments)
- 2025$201.67 · 4 payments from 3 companies
- 2024$433.33 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aurinia Pharma U.S., Inc. | $150.73 | 2 |
| Amgen Inc. | $30.08 | 1 |
| Astrazeneca Pharmaceuticals LP | $20.86 | 1 |
What the 2025 payments were for
- Food and Beverage$201.67 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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