There are 21 General Surgery clinicians in Billings, MT in Medicare’s data, ranked by the number of Medicare services they provide.
General Surgery clinicians in Billings
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Arne Olsen, M.D. | 22 yrs | — | 743 | Accepts |
| Robert Hancock, MD | 25 yrs | Yes | 502 | Accepts |
| Gordon Riha, M.D. | 19 yrs | Yes | 273 | Accepts |
| Dennis Maier, MD | 41 yrs | — | 124 | Accepts |
| Lynn Clewley, M.D. | 10 yrs | Yes | 265 | Accepts |
| Lisa Merriman, MD | 11 yrs | — | 237 | Accepts |
| Michael Englehart | 27 yrs | Yes | 229 | Accepts |
| Barry Mckenzie, M.D. | 23 yrs | — | 208 | Accepts |
| Eric Dringman, MD | 35 yrs | — | 238 | Accepts |
| Scott Dull, MD | 28 yrs | — | 230 | Accepts |
| Jeffrey Rentz, M.D. | 28 yrs | — | 226 | Accepts |
| Michael Wilcox, M.D. | 35 yrs | — | 218 | Accepts |
| George Bentzel, MD | 30 yrs | — | 204 | Accepts |
| Rachel Ott, M.D. | 16 yrs | — | 173 | Accepts |
| John Pender, MD | 27 yrs | Yes | 168 | Accepts |
| John Gregory, MD | 51 yrs | Yes | 115 | Accepts |
| Bret Murray, MD | 27 yrs | Yes | 93 | Accepts |
| Nathaniel Rieb, M.D. | 21 yrs | — | 155 | Accepts |
| Bryan Potter, M.D. | 31 yrs | — | 71 | Accepts |
| Daniel Dernbach, M.D. | 63 yrs | — | 17 | Accepts |
| Michael Hill, M.D. | 17 yrs | — | 14 | 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 Billings → · All General Surgery 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.