Andrea Tieng, M.D.
Gastroenterology · Rancho Cucamonga, CA
Andrea Tieng, M.D. is a gastroenterology in Rancho Cucamonga, CA with about 23 yrs in practice.
- SpecialtyGastroenterology
- Medical schoolOTHER (2003)
- TelehealthNot reported
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~98 patients across 164 services, avg age 71
Common services
| Service | Medicare services | Medicare allows | |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 33 | $252 | See prices → |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 22 | $107 | See prices → |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | 22 | $115 | See prices → |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 17 | $172 | See prices → |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | 16 | $89 | See prices → |
| Biopsy of large bowel using a flexible endoscope | 11 | $116 | See prices → |
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.