John Christian Ong, DO
NPI 1477056406ActiveIndividual· Internal Medicine, Nephrology· Fountain Valley, CA
Internal Medicine, Nephrology (DO) with Balboa Nephrology Medical Group Inc, practicing in Fountain Valley, California. Part D covered 86 prescriptions written in 2024, 81% of them generic. Aurinia Pharma U.S., Inc. was the largest of 7 companies reporting payments in 2025, $1,393 in all, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1477056406 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 15, 2018 |
| Last updated in NPPES | Jan 16, 2026 |
| Certified by provider | Jan 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 20A21125 | 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 - Nephrology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 86 · 161 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $18,610 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Balboa Nephrology Medical Group IncFountain Valley, CA · 76 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$1,393 · 17 payments from 7 companies
- 2024$276.65 · 6 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aurinia Pharma U.S., Inc. | $576.04 | 9 |
| Akebia Therapeutics Inc | $242.79 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $172.58 | 2 |
| Gilead Sciences, Inc. | $124.99 | 1 |
| Medtronic, Inc. | $122.78 | 1 |
What the 2025 payments were for
- Food and Beverage$1,393 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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