There are 11 Gastroenterology clinicians in Loma Linda, CA in Medicare’s data, ranked by the number of Medicare services they provide.
Gastroenterology clinicians in Loma Linda
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Keisha Baldeosingh, MD | 17 yrs | — | 243 | Accepts |
| Matthew Oman, M.D. | 19 yrs | — | 656 | Accepts |
| Hansen Kwok, M.D. | 18 yrs | — | 328 | Accepts |
| Andrew Chang, M.D. | 36 yrs | Yes | 277 | Accepts |
| Mina Rakoski, M.D. | 22 yrs | Yes | 161 | Accepts |
| Nikhil Thiruvengadam | 12 yrs | Yes | 173 | Accepts |
| Nour Parsa, M.D. | 12 yrs | — | 160 | Accepts |
| Mohammed Ali | — | — | 166 | Accepts |
| Xin Zheng, D.O. | 9 yrs | Yes | 125 | Accepts |
| Khaled Selim, M.D. | 48 yrs | Yes | 77 | Accepts |
| Erick Imbertson, M.D. | 16 yrs | — | 21 | 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.