Gregory Gerrish, M.D.
General Surgery · Watertown, SD
Gregory Gerrish, M.D. is a general surgery in Watertown, SD with about 15 yrs in practice.
- SpecialtyGeneral Surgery
- Medical schoolSANFORD SCHOOL OF MEDICINE OF UNIVERSITY OF SOUTH DAKOTA (2011)
- TelehealthNot reported
- Practice size112 clinicians
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~296 patients across 644 services, avg age 72
Common services
| Service | Medicare services | Medicare allows | |
|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | 67 | $62 | See prices → |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 62 | $81 | See prices → |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 55 | $206 | See prices → |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | 45 | $77 | See prices → |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 29 | $80 | See prices → |
| Diagnostic exam of large bowel using a flexible endoscope | 23 | $160 | See prices → |
| Colorectal cancer screening; colonoscopy on individual at high risk | 22 | $169 | See prices → |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 19 | $92 | See prices → |
| Biopsy of large bowel using a flexible endoscope | 18 | $147 | See prices → |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 18 | $164 | See prices → |
| Removal of gallbladder using an endoscope | 13 | $597 | See prices → |
Hospital affiliations
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.