State Specialty Directory
Therapeutic Radiology Physician in CA
Federal CMS data for 12 therapeutic radiology physician providers across CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
12
Providers
Median industry payments
$714
12
Therapeutic Radiology Physician Providers
in CA
$714
Median Industry Payments
per provider (2018–2024)
1,628
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.
Therapeutic Radiology Physician includes multiple subspecialties with different practice patterns.
Learn more →
Therapeutic Radiology Physician Providers — CA
NPPES · Open Payments · Medicare| Provider | City | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|---|
| SUMMERS, JAMES M.D. | Modesto | 16,193 | 3,571 | Contrast dye for imaging (iodine-based) | $228 (2018-2024) | Food & Beverage (100%) | Very High |
| JOSEPH, JAY M.D. | Ukiah | 7,229 | 1,591 | Intensity-modulated radiation therapy delivery | $764 (2018-2024) | Food & Beverage (100%) | Very High |
| CHANG, PAULING MD | Sunnyvale | 3,687 | 854 | Intensity-modulated radiation therapy delivery | $664 (2018-2020) | Consulting (68%) | Very High |
| SCHARFEN, CINDY M.D. | Santa Rosa | 2,339 | 983 | CT guidance for radiation therapy | $4,726 (2018-2024) | Food & Beverage (100%) | Very High |
| KYAW, RAMONA M.D. | Pasadena | 1,877 | 633 | CT guidance for radiation therapy | $216 (2018-2022) | Food & Beverage (100%) | Very High |
| FERNANDEZ, CASSANDRA MD | El Segundo | 1,798 | 1,780 | Screening mammography | $106 (2020-2024) | Food & Beverage (100%) | Very High |
| ROACH, MACK M.D. | San Francisco | 1,457 | 501 | Calculation of radiation therapy dose | $42,942 (2018-2024) | Travel (51%) | Very High |
| KIM, OWEN M.D. | Porterville | 1,236 | 519 | Stereoscopic X-ray guidance for radiation therapy localization | $82 (2020-2023) | Food & Beverage (55%) | Very High |
| CHANG, BRYAN MD | Torrance | 1,223 | 429 | Stereoscopic X-ray guidance for radiation therapy localization | $90 (2018-2024) | Food & Beverage (100%) | Very High |
| WILLIAMS, VENITA MD | Orange | 1,212 | 438 | CT guidance for radiation therapy | $1,055 (2018-2024) | Food & Beverage (100%) | Very High |
| STICKNEY, ERIK M.D. | Chico | 1,177 | 301 | CT guidance for radiation therapy | $3,348 (2018-2024) | Food & Beverage (68%) | Very High |
| KIDD, ELIZABETH M.D. | Stanford | 822 | 401 | CT guidance for radiation therapy | $2,680 (2018-2024) | Consulting (79%) | Very High |
Note: Therapeutic Radiology Physician 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.