There are 7 Internal Medicine clinicians in San Marcos, TX in Medicare’s data, ranked by the number of Medicare services they provide.
Internal Medicine clinicians in San Marcos
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Grayson Smith, MD | 40 yrs | — | 316 | Accepts |
| Donna Dolan, MD | 46 yrs | — | 312 | Accepts |
| Gladys Weng, D.O. | 28 yrs | Yes | 175 | Accepts |
| Rubin Harris, MD | 43 yrs | — | 265 | Accepts |
| Raka Amin, MD | 28 yrs | — | 162 | Accepts |
| Minh Thu Nguyen, MD | 7 yrs | — | 51 | Accepts |
| Thomas Parker, M.D. | — | — | 50 | 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 San Marcos → · 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.