MARY ANN Y. HUANG M.D. – NPI #1477621902
Internal Medicine

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.

Health Care Provider Taxonomy Code for Internal Medicine

MARY ANN HUANG is a physician located in DENVER, CO. NPPES has assigned the NPI number 1477621902 to MARY ANN HUANG on December 01, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. She is also known by her former name MARY ANN HUANG SHERBONDY. According to the NPI Registry, there are 4 additional location(s) assigned to this provider which are listed below. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RG0100X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Gastroenterology

The NPI profile was last updated on Mar 25, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for MARY ANN HUANG below.

NPI Profile for
MARY ANN Y. HUANG

NPI Number
1477621902
Enumeration Date

(more than 19 years ago)
Entity Type
Type-1  Individual (Female)
Legal Name
MARY ANN Y. HUANG
Former Name: MARY ANN HUANG SHERBONDY
Credentials
M.D.
Primary location
1601 E 19TH AVE STE 5150
DENVER, CO 80218-1201
Phone: (720) 754-2155 Fax: (720) 754-2106
4 Other location(s):
1601 E 19th Ave Ste 5050
Denver, CO 80218-1200
Phone: (720) 754-2155
Fax: (720) 754-2106
315 N 25th St Ste 201
Billings, MT 59101-1328
Phone: (720) 949-9992
Fax: (720) 746-6462
801 Encino Pl NE Ste B11
Albuquerque, NM 87102-2642
Phone: (720) 949-9992
Fax: (720) 746-6462
940 E 3rd St Ste 201
Casper, WY 82601-3251
Phone: (720) 949-9992
Fax: (720) 746-6462
Mailing address
1601 E 19TH AVE STE 5050
DENVER, CO 80218-1200
Phone: (720) 754-2155 Fax: (720) 754-2106
Sole Proprietor
No
Updated
Certification Date
Mar 25, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for MARY ANN HUANG

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

See identifiers
DescriptionIssuerStateIdentifier
otherBLUE CROSS-BLUE CROSS100H264400
otherCHAMPUS-CHAMPUSMS076336
otherCOMMERCIAL-COMMERCIAL NUMBERMS076336
medicaidCO56880065
medicaidMI472437710
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RG0100X
- Internal Medicine / Gastroenterology (Primary)		 CO DR.0056376
207R00000X
- Internal Medicine		 MI 4301076336

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Education
LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE - Graduated 1996
Offers Telehealth Services
Yes - Telehealth services allows you to talk to your health care provider using audio/video communications, such as Zoom, without actually going in to the doctor's office
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
MARY ANN HUANG is affiliated with the following medical group(s):
  • HOSPITAL
    • CENTURA HEALTH-PORTER ADVENTIST HOSPITAL
      2525 S DOWNING ST
      DENVER, CO 80210
    • LITTLETON ADVENTIST HOSPITAL, CENTURA HEALTH
      7700 S BROADWAY
      LITTLETON, CO 80122
    • PARKER ADVENTIST HOSPITAL
      9395 CROWN CREST BLVD
      PARKER, CO 80138

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.