MyCareCost

Compare and Negotiate Healthcare Pricing

Physician

MICHAEL ZEREGA, MD

Gastroenterology

LAKE ST LOUIS, MO, 63367
NPI: 1073505178

Contact

Gastroenterology

LAKE ST LOUIS, MO

Hospital Affiliations

Search procedure prices at these hospitals only · all code types (Gastroenterology & related)

Common Procedures for Gastroenterology

ColonoscopyUpper Endoscopy (EGD)Capsule EndoscopyLiver BiopsyERCPHemorrhoid BandingPolyp RemovalEsophageal DilationPEG Tube PlacementFibroScan

Based on specialty. Actual services may vary — contact the provider's office to confirm.

Procedure Pricing (Medicare Data)

Based on CMS Medicare Provider Utilization data for 2023. These represent what this physician charged Medicare, not necessarily what you would pay. Compare with other physicians

ProcedureAvg ChargeMedicare AllowedMedicare PaidServices
43249
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm
$1,980$117$9415
45385
Removal of polyps or growths of large bowel using an endoscope with mechanical snare
$1,049$249$21124
45380
Biopsy of large bowel using a flexible endoscope
$923$123$8421
G0105
Colorectal cancer screening; colonoscopy on individual at high risk
$769$181$18121
43239
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope
$685$71$5565
43248
Insertion of guide wire with dilation of esophagus using a flexible endoscope
$665$140$9518
99222
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
$322$129$10216
99203
New patient office or other outpatient visit, 30-44 minutes
$247$107$8118
99214
Established patient office or other outpatient visit, 30-39 minutes
$239$125$8563
91010
Study of esophagus to assess movement
$171$63$5111
99213
Established patient office or other outpatient visit, 20-29 minutes
$158$88$6169
99231
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes
$97$49$3919
99212
Established patient office or other outpatient visit, 10-19 minutes
$85$56$3211

Compare prices for procedures performed by Gastroenterology physicians

Search published hospital rates side by side to find lower cash prices and stronger negotiating leverage.

Physician identity data from the NPPES NPI Registry. Last synced 3/28/2026.