There are 7 Gastroenterology clinicians in Portland, ME in Medicare’s data, ranked by the number of Medicare services they provide.
Gastroenterology clinicians in Portland
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Matthew Grunwald, M.D. | 11 yrs | — | 232 | Accepts |
| John Walker, D.O. | 13 yrs | — | 242 | Accepts |
| Andrew Hsu, M.D. | 10 yrs | — | 182 | Accepts |
| Marina Kim, D.O. | 13 yrs | — | 178 | Accepts |
| Eric Vecchio, MD | 9 yrs | — | 150 | Accepts |
| Alan Kilby, MD | — | — | 47 | Accepts |
| Shadab Saboori, MD, MPH | 8 yrs | — | 29 | 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 Portland → · All Gastroenterology 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.