John Marks, MD
Colorectal Surgery (Proctology) · Wynnewood, PA
John Marks, MD is a colorectal surgery (proctology) in Wynnewood, PA with about 37 yrs in practice.
- SpecialtyColorectal Surgery (Proctology)
- Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY (1989)
- TelehealthNot reported
- Practice size1,153 clinicians
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~370 patients across 883 services, avg age 74
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 | 132 | $93 | See prices → |
| Diagnostic exam of lower portion of large bowel using a flexible endoscope | 124 | $192 | See prices → |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 71 | $130 | See prices → |
| Biopsy of large bowel using a flexible endoscope | 67 | $156 | See prices → |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | 53 | $226 | See prices → |
| Diagnostic exam of large bowel using a flexible endoscope | 26 | $176 | See prices → |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 24 | $246 | See prices → |
| Diagnostic exam of anus using an endoscope | 20 | $122 | See prices → |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | 17 | $115 | See prices → |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | 16 | $172 | See prices → |
| Biopsy of lower large bowel using a flexible endoscope | 15 | $295 | 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.