Frederick Ruymann, MD
Gastroenterology · Cambridge, MA
Frederick Ruymann, MD is a gastroenterology in Cambridge, MA with about 39 yrs in practice.
- SpecialtyGastroenterology
- Medical schoolCLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY (1987)
- TelehealthOffers telehealth visits
- Practice size235 clinicians
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~747 patients across 1,206 services, avg age 77
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 | 232 | $92 | See prices → |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 138 | $116 | See prices → |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 136 | $116 | See prices → |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 78 | $130 | See prices → |
| Diagnostic exam of large bowel using a flexible endoscope | 71 | $159 | See prices → |
| Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | 64 | $233 | See prices → |
| Biopsy of large bowel using a flexible endoscope | 51 | $171 | See prices → |
| Incision of pancreatic outlet using a flexible endoscope | 39 | $50 | See prices → |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 38 | $244 | See prices → |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | 38 | $113 | See prices → |
| Colorectal cancer screening; colonoscopy on individual at high risk | 24 | $173 | See prices → |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 18 | $163 | 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.