Specialty Directory
Nephrology in San Dimas, CA
Federal CMS data for 3 nephrology providers practicing in San Dimas, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
3
Providers
Median industry payments
$832
3
Nephrology Providers
in San Dimas, CA
$832
Median Industry Payments
per provider (2018–2024)
2,208
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only
Medicare fee-for-service patients (typically 65+). This does not represent total practice volume.
Industry payments span multiple years and payment types — they are legal and do not indicate wrongdoing.
Nephrology includes multiple subspecialties with different practice patterns.
Learn more →
Nephrology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| RIZVI, AMNA M.D. | 2,952 | 657 | Hospital follow-up visit, moderate complexity | $832 (2019-2024) | Food & Beverage (98%) | Very High |
| NGUYEN, JIM D.O. | 2,208 | 737 | Hospital follow-up visit, moderate complexity | $258 (2021-2024) | Food & Beverage (88%) | Very High |
| WONG, CHRISTOPHER DO | 2,110 | 832 | Hospital follow-up visit, moderate complexity | $2,172 (2018-2024) | Food & Beverage (94%) | Very High |
Note: Nephrology encompasses multiple subspecialties with different practice patterns.
Differences in payment amounts and procedure volumes may reflect subspecialty focus
rather than practice quality. Consider viewing individual profiles for full context.