Christopher Che Dar Wong, DO
NPI 1881985612ActiveIndividual· Internal Medicine, Nephrology· San Dimas, CA
Internal Medicine, Nephrology (DO) in San Dimas, California, trained at University of Southern California Keck School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $515,822 for 1,446 claims, against $191,554 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $1,133 in all, mostly food and beverage.
Overview
| NPI | 1881985612 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 27, 2011 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 20A12470 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 548 |
|---|---|
| Services billed | 3,372 across 29 procedure codes |
| Paid by Medicare | $191,554 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,446 · 2,348 30-day fills |
|---|---|
| Patients | 258 |
| Total drug cost | $515,822 |
| Generic share | 53% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- California Kidney SpecialistsSan Dimas, CA · 16 clinicians
Hospital affiliations
- Casa Colina HospitalPomona, CA
- Chino Valley Medical CenterChino, CA
- Montclair Hospital Medical CenterMontclair, CA
- Pomona Valley Hospital Medical CenterPomona, CA
- San Antonio Regional HospitalUpland, CA
Industry payments (Open Payments)
- 2025$1,133 · 45 payments from 17 companies
- 2024$838.19 · 43 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $196.31 | 15 |
| Medical Device Business Services, Inc. | $161.76 | 2 |
| Akebia Therapeutics Inc | $126.63 | 1 |
| Calliditas Therapeutics US Inc. | $104.64 | 3 |
| Boston Scientific Corporation | $100.34 | 3 |
What the 2025 payments were for
- Food and Beverage$995.86 · 44 payments
- Education$137.01 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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