There are 9 Gastroenterology clinicians in Oceanside, CA in Medicare’s data, ranked by the number of Medicare services they provide.
Gastroenterology clinicians in Oceanside
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Behnam Moein Jahromi, M.D. | 15 yrs | Yes | 595 | Accepts |
| Mazer Ally, M.D. | 20 yrs | Yes | 554 | Accepts |
| Javaid Shad, M.D. | 33 yrs | Yes | 367 | Accepts |
| Matthew Viernes, M.D. | 31 yrs | Yes | 394 | Accepts |
| Christopher Devereaux, M.D. | 35 yrs | Yes | 393 | Accepts |
| Michael Shim, M.D. | 25 yrs | Yes | 342 | Accepts |
| Thomas Krol, M.D. | — | — | 347 | Accepts |
| Hellen Chiao, MD | 14 yrs | Yes | 255 | Accepts |
| Megan Novo, MD | 11 yrs | Yes | 163 | 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.