There are 8 Diagnostic Radiology clinicians in Tracy, CA in Medicare’s data, ranked by the number of Medicare services they provide.
Diagnostic Radiology clinicians in Tracy
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Joseph Marshall, M.D. | 38 yrs | — | 3,549 | Accepts |
| Robert Lim, M.D. | 24 yrs | — | 3,151 | Accepts |
| Keith Kwok, M.D. | 22 yrs | — | 3,200 | Accepts |
| Kyle Yu, MD | 37 yrs | — | 2,677 | Accepts |
| Richard Porzio, MD | 32 yrs | — | 2,362 | Accepts |
| Mario Sattah, MD | 32 yrs | — | 1,992 | Accepts |
| Sam Kokoris, MD | — | — | 790 | Accepts |
| Garth Harley, MD | 38 yrs | — | 678 | Accepts |
What the columns mean
- Experience — years since the clinician’s medical-school graduation (when known).
- Telehealth — the clinician reported providing telehealth (video/phone) visits.
- Medicare patients — distinct Original-Medicare beneficiaries in the latest year; a volume signal, not a quality rating.
- Assignment — “Accepts” means they accept the Medicare-approved amount as full payment (lower out-of-pocket for Medicare patients).
Compare hospital prices in Tracy → · All Diagnostic Radiology cities →
Source: CMS Medicare Physician & Other Practitioners and the Doctors & Clinicians National Downloadable File (most recent release). Counts reflect Original Medicare activity only and are not a measure of quality. “Medicare allows” is the Medicare fee schedule amount — not what an insured or cash patient pays; for patient prices see the linked procedure pages. Always confirm a clinician’s current details with their office.