There are 16 Internal Medicine clinicians in Oak Ridge, TN in Medicare’s data, ranked by the number of Medicare services they provide.
Internal Medicine clinicians in Oak Ridge
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Michael Henderson, MD | 23 yrs | — | 473 | Accepts |
| Wesley Hayes, M.D. | 24 yrs | Yes | 297 | Accepts |
| Niva Misra Sammons, M.D. | 13 yrs | Yes | 249 | Accepts |
| Ellen Liuzza, MD | 33 yrs | — | 304 | Accepts |
| Aaron Smyth, D.O. | 19 yrs | — | 125 | Accepts |
| Jefferson Gillum, DO | 8 yrs | — | 237 | Accepts |
| Erik Petersen, D.O. | 28 yrs | — | 720 | Accepts |
| Hiteshwar Mangat, MD | 6 yrs | — | 243 | Accepts |
| Aathi Lakshmi Mariappan | 8 yrs | — | 237 | Accepts |
| Nawras Baban, M.D. | 46 yrs | — | 244 | Accepts |
| Kimberly Russell, MD | — | — | 389 | Accepts |
| Julia Monahan, DO | 21 yrs | — | 120 | Accepts |
| Heather Stooksbury, DO | 11 yrs | — | 359 | Accepts |
| Ryan Wassenaar, D.O. | 17 yrs | — | 274 | Accepts |
| Daniel Niendorff, M.D. | — | — | 70 | Accepts |
| Arnold Bridges, M.D. | 43 yrs | — | 83 | 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.