Specialty Directory
Cardiovascular Disease in Grass Valley, CA
Federal CMS data for 5 cardiovascular disease providers practicing in Grass Valley, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
5
Providers
Median industry payments
$903
5
Cardiovascular Disease Providers
in Grass Valley, CA
$903
Median Industry Payments
per provider (2018–2024)
1,404
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.
Cardiovascular Disease includes multiple subspecialties with different practice patterns.
Learn more →
Cardiovascular Disease Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| SMITH, RYAN M.D. | 3,391 | 2,750 | Office visit, established patient (20-29 min) | $1,174 (2018-2024) | Food & Beverage (57%) | Very High |
| ZAREH, MEENA MD | 1,411 | 1,263 | EKG interpretation and report | $49,266 (2018-2023) | Grant (99%) | Very High |
| CALLAHAM, PETER MD | 1,404 | 1,070 | Office visit, established patient (30-39 min) | $903 (2018-2023) | Food & Beverage (100%) | Very High |
| WOODRUFF, NATHANIEL M.D., PHD, FACC | 405 | 281 | Hospital follow-up visit, high complexity | $169 (2018-2024) | Food & Beverage (100%) | Very High |
| MARVIN, KENNETH MD | 384 | 370 | Echocardiogram, transthoracic | $433 (2018-2022) | Food & Beverage (100%) | Very High |
Note: Cardiovascular Disease 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
Cardiovascular Disease encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Clinical Cardiology (2)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| SMITH, RYAN | 3,391 | $1,174 |
| CALLAHAM, PETER | 1,404 | $903 |
Cardiac & Electrophysiology (1)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| ZAREH, MEENA | 1,411 | $49,266 |
Mixed Practice (1)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| WOODRUFF, NATHANIEL | 405 | $169 |
Cardiac & Cardiac (1)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| MARVIN, KENNETH | 384 | $433 |