There are 8 Gastroenterology clinicians in Oxnard, CA in Medicare’s data, ranked by the number of Medicare services they provide.
Gastroenterology clinicians in Oxnard
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Karen Simon, M.D. | 25 yrs | Yes | 727 | Accepts |
| Donald Miller, MD | 19 yrs | Yes | 612 | Accepts |
| Sukhpreet Walia, M.D. | 25 yrs | — | 674 | Accepts |
| Keval Shah, D.O. | 16 yrs | Yes | 616 | Accepts |
| Justin Marasigan, DO | 19 yrs | Yes | 589 | Accepts |
| Rukmini Enjamuri, MD | 11 yrs | — | 352 | Accepts |
| Mohammad Khan, M.D. | 41 yrs | — | 392 | Accepts |
| Paul Sanchez, M.D. | 50 yrs | — | 30 | 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).
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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.