There are 18 Internal Medicine clinicians in Vista, CA in Medicare’s data, ranked by the number of Medicare services they provide.
Internal Medicine clinicians in Vista
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Arta Shirkhodai | 7 yrs | Yes | 4,122 | Accepts |
| John Clancy, DO | 32 yrs | — | 250 | Accepts |
| Paul Brion, M.D. | 32 yrs | Yes | 589 | Accepts |
| Sam Baroudi, MD | 40 yrs | Yes | 646 | Accepts |
| Stuart Kipper, M.D. | 40 yrs | — | 172 | Accepts |
| Christine Nguyen, MD | 35 yrs | Yes | 296 | Accepts |
| Stuart Bursten, M.D. | 46 yrs | — | 418 | Accepts |
| Xiangli Li, M.D. PH.D., PC | 31 yrs | Yes | 242 | Accepts |
| Wendy Shumate, M.D. | — | — | 118 | Accepts |
| Victor Souza, M.D. | 35 yrs | — | 214 | Accepts |
| Mark O'brien, D.O. | 39 yrs | Yes | 184 | Accepts |
| Ardeth Copeland, MD | — | — | 339 | Accepts |
| Clark Bach, M.D. | 11 yrs | Yes | 178 | Accepts |
| Gary Kobayashi, M.D. | — | — | 185 | Accepts |
| Ethan Nguyen, MD | 25 yrs | Yes | 183 | Accepts |
| David Wine, M.D. | 46 yrs | Yes | 97 | Accepts |
| Maryam Barangi, MD | 19 yrs | Yes | 88 | Accepts |
| Tara Clancy, D.O. | 32 yrs | — | 51 | 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 Vista → · All Internal Medicine 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.