Specialty Directory
Rheumatology in Mission Viejo, CA
Federal CMS data for 4 rheumatology providers practicing in Mission Viejo, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
4
Providers
Median industry payments
$13,100
4
Rheumatology Providers
in Mission Viejo, CA
$13,100
Median Industry Payments
per provider (2018–2024)
7,144
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.
Rheumatology includes multiple subspecialties with different practice patterns.
Learn more →
Rheumatology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| DRIVER, CATHERINE M.D. | 39,747 | 798 | Certolizumab injection (Cimzia) | $16,249 (2018-2024) | Food & Beverage (100%) | Very High |
| SINGH, SIMRANJIT MD | 8,722 | 774 | Infliximab infusion (Remicade) | $9,951 (2018-2024) | Food & Beverage (100%) | Very High |
| CASTRO-RUEDA, HERNAN M.D. | 5,567 | 1,004 | Infliximab infusion (Remicade) | $21,223 (2018-2024) | Food & Beverage (99%) | Very High |
| JAFARI FARSHAMI, FATEMEH M.D. | 1,874 | 244 | Denosumab injection (Prolia/Xgeva) | $4,323 (2018-2024) | Food & Beverage (100%) | Very High |
Note: Rheumatology 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.
By Practice Pattern
Rheumatology encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Mixed Practice (3)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| DRIVER, CATHERINE | 39,747 | $16,249 |
| SINGH, SIMRANJIT | 8,722 | $9,951 |
| CASTRO-RUEDA, HERNAN | 5,567 | $21,223 |
Clinical Cardiology (1)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| JAFARI FARSHAMI, FATEMEH | 1,874 | $4,323 |