Mark Mattar, MD
Gastroenterology · Washington, DC
Mark Mattar, MD is a gastroenterology in Washington, DC with about 22 yrs in practice.
- SpecialtyGastroenterology
- Medical schoolOTHER (2004)
- TelehealthOffers telehealth visits
- Practice size3,717 clinicians
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~227 patients across 330 services, avg age 71
Common services
| Service | Medicare services | Medicare allows | |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | 48 | $195 | See prices → |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 33 | $107 | See prices → |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 21 | $268 | See prices → |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 13 | $149 | See prices → |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | 11 | $195 | 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.