There are 18 Gastroenterology clinicians in Walnut Creek, CA in Medicare’s data, ranked by the number of Medicare services they provide.
Gastroenterology clinicians in Walnut Creek
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Kanwar Gill, M.D. | 27 yrs | Yes | 879 | Accepts |
| Rishi Sharma, M.D. | 18 yrs | Yes | 852 | Accepts |
| Yi Zheng, M.D. | 28 yrs | Yes | 565 | Accepts |
| Ming Fang, MD | 41 yrs | Yes | 463 | Accepts |
| Matthew Chin, M.D. | 16 yrs | Yes | 566 | Accepts |
| Drew Schembre, MD | 38 yrs | Yes | 484 | Accepts |
| Sam Saeed Zamani, M.D. | — | — | 617 | Accepts |
| Cynthia Mullen, M.D. | 23 yrs | Yes | 387 | Accepts |
| Rohit Anand, MD | 15 yrs | Yes | 371 | Accepts |
| Victoria Yung | 15 yrs | Yes | 346 | Accepts |
| Hongha Vu James, M.D. | 19 yrs | Yes | 278 | Accepts |
| Shireen Ghorbani, M.D. | 17 yrs | — | 256 | Accepts |
| Gerald Tarder, M.D. | — | — | 72 | Accepts |
| Daniel Yu, MD | — | — | 28 | Accepts |
| Farid Jalali, M.D. | 14 yrs | — | 21 | Accepts |
| Oliver Lin, M.D. | 17 yrs | — | 14 | Accepts |
| Chun Ouyang, M.D., PH.D. | 34 yrs | — | 16 | Accepts |
| Steve Cheng, MD | 30 yrs | — | 11 | 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 Walnut Creek → · 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.