Mark Casillas, M.D.
Colorectal Surgery (Proctology) · Knoxville, TN
Mark Casillas, M.D. is a colorectal surgery (proctology) in Knoxville, TN with about 20 yrs in practice.
- SpecialtyColorectal Surgery (Proctology)
- Medical schoolOTHER (2006)
- TelehealthOffers telehealth visits
- Practice size529 clinicians
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~166 patients across 440 services, avg age 73
Common services
| Service | Medicare services | Medicare allows | |
|---|---|---|---|
| Diagnostic exam of anus using an endoscope | 55 | $108 | See prices → |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | 45 | $83 | See prices → |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | 36 | $106 | See prices → |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | 21 | $159 | See prices → |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | 20 | $202 | See prices → |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 14 | $187 | See prices → |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 12 | $122 | 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.