MARY ANN YI-ANG HUANG M.D.
NPI 1477621902
Internal Medicine - Gastroenterology in Denver, CO
About Mary Ann Yi-ang Huang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ANN YI-ANG HUANG M.D. (NPI 1477621902) is an individual gastroenterology provider in Denver, Colorado, licensed in Colorado (DR.0056376) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Other Names 1
Secondary Practice Locations 4
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary Ann Yi-ang Huang M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Billings Clinic
Acute Care Hospitals · Billings, MTCampbell County Health
Acute Care Hospitals · Gillette, WYWyoming Medical Center
Acute Care Hospitals · Casper, WYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80218 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DENVER, CO 80218
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Ann Huang's NPI number?
The NPI number for Mary Ann Huang is 1477621902. It was assigned to this individual provider in the NPPES registry on December 1, 2006. The provider is also known as Mary Ann Huang Sherbondy.
Where is Mary Ann Huang located?
Mary Ann Huang practices at 1601 E 19th Ave Ste 5150, Denver, CO 80218. The listed phone number is (720) 754-2155.
What is Mary Ann Huang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Mary Ann Huang enrolled in Medicare?
Yes. Mary Ann Huang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Mary Ann Huang accept?
Health plans from UnitedHealthcare list Mary Ann Huang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mary Ann Huang affiliated with any hospitals?
According to CMS data, Mary Ann Huang is affiliated with Billings Clinic, Campbell County Health and Wyoming Medical Center.
When was this NPI record last updated?
The NPPES record for Mary Ann Huang was last updated on March 25, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
