Specialty Directory
Surgery in Riverside, CA
Federal CMS data for 9 surgery providers practicing in Riverside, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
9
Providers
Median industry payments
$7,600
9
Surgery Providers
in Riverside, CA
$7,600
Median Industry Payments
per provider (2018–2024)
221
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.
Surgery includes multiple subspecialties with different practice patterns.
Learn more →
Surgery Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| VEGA, FRANCISCO M.D. | 1,778 | 1,088 | Office visit, established patient (30-39 min) | $8,627 (2018-2024) | Food & Beverage (62%) | Very High |
| MACIEL, JAMES MD, MPH | 1,372 | 426 | Nursing facility visit, low complexity | $379 (2022-2024) | Food & Beverage (100%) | Very High |
| JANZEN, MARK MD | 691 | 560 | Office visit, established patient (30-39 min) | $10,887 (2018-2024) | Education (76%) | Very High |
| GODELMAN, STEVEN MD | 586 | 491 | Critical care, first 30-74 min | $1,119 (2018-2022) | Travel (53%) | Very High |
| NAGAPPAN, SUBBU MD | 221 | 177 | Hospital follow-up visit, moderate complexity | $163 (2019-2021) | Food & Beverage (100%) | Very High |
| CHIN, MICHAEL M.D. | 208 | 179 | Office visit, established patient (20-29 min) | $7,600 (2018-2024) | Travel (50%) | Very High |
| LEE, AARON DO | 183 | 132 | Hospital follow-up visit, high complexity | $90,919 (2018-2024) | Education (93%) | Very High |
| PEREZ, MARTIN M.D. | 181 | 134 | Hospital follow-up visit, moderate complexity | $22,501 (2018-2024) | Education (94%) | Very High |
| HA, HONGPHUC DO | 89 | 87 | New patient office visit (30-44 min) | $407 (2019-2023) | Travel (54%) | Very High |
Note: Surgery 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
Surgery encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Clinical Cardiology (6)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| VEGA, FRANCISCO | 1,778 | $8,627 |
| JANZEN, MARK | 691 | $10,887 |
| CHIN, MICHAEL | 208 | $7,600 |
| LEE, AARON | 183 | $90,919 |
| PEREZ, MARTIN | 181 | $22,501 |
| HA, HONGPHUC | 89 | $407 |
Mixed Practice (3)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| MACIEL, JAMES | 1,372 | $379 |
| GODELMAN, STEVEN | 586 | $1,119 |
| NAGAPPAN, SUBBU | 221 | $163 |