MyCareCost

Compare and Negotiate Healthcare Pricing

Physician

THALIA MAYES, M.D.

Gastroenterology

PORTLAND, ME, 04101
NPI: 1033126826

Contact

Gastroenterology

PORTLAND, ME

MAINEHEALTH MAINE MEDICAL CENTER

207-662-0111

mainehealth.org/maine-medical-center

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.

MIPS Quality Score

PY 2023
98.1/100Exceptional
Quality
86.1
Promoting Interoperability
100.0
Improvement Activities
40.0

MIPS (Merit-based Incentive Payment System) scores measure quality, cost, and improvement activities. Higher is better. Learn more at qpp.cms.gov

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
45385
Removal of polyps or growths of large bowel using an endoscope with mechanical snare
$1,333$242$20174
45380
Biopsy of large bowel using a flexible endoscope
$1,120$66$5560
43239
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope
$736$94$7044
99214
Established patient office or other outpatient visit, 30-39 minutes
$245$123$9039
99213
Established patient office or other outpatient visit, 20-29 minutes
$169$85$5550
88305
Pathology examination of tissue using a microscope, intermediate complexity
$133$72$51264
G0500
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito
$27$5$476

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.