Mary Ann Yi-Ang Huang, M.D.
Gastroenterology Physician · Denver, CO
Mary Ann Yi-Ang Huang, M.D. is a gastroenterology physician with a practice address in Denver, Colorado, and NPI 1477621902, issued on Dec 1, 2006. Check the license (Colorado DR.0056376, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Ann Yi-Ang Huang
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- DR.0056376 CO
4301076336 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1601 E 19TH Ave Ste 5150, Denver, CO 80218
- Phone
- (720) 754-2155
- Enumerated
- Dec 1, 2006
- Record last updated
- Mar 25, 2026
- Fax
- (720) 754-2106
- Medicaid IDs
- 472437710 MI
56880065 CO - Medicare enrollment
- Enrolled (PECOS I20160526002233); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 334 in Colorado → Look up another NPI →
Verify Mary Ann Yi-Ang Huang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0056376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average gastroenterology physician in 2024
639 Medicare Part D claims for 216 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Pantoprazole Sodium118 claims
- Sod Sulf-Potass Sulf-Mag Sulf62 claims
- Linzess31 claims
- Omeprazole30 claims
- Azathioprine28 claims
- Furosemide25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $61,149.60
105 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Healthone Clinic Services - Medical Specialties LLCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Ann Yi-Ang Huang among 334 gastroenterology physician records in Colorado
Mary Ann Yi-Ang Huang, M.D. is one of 334 gastroenterology physician records with a practice address in Colorado. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 53% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1996 · median 2003 among the 258 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Colorado
There are 334 gastroenterology physician records in Colorado.
All 334 in Colorado → Every provider in Denver → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- David Cristin, M.D.Denver, CO 802181841685781
- Jeff Frank, M.D.Denver, CO 802181619922424
- Kevin Rufner, MD, MPHDenver, CO 802181427195718
- Bryan Silon, M.D.Denver, CO 802181144541590
- Thomas Trouillot, M.D.Denver, CO 802181902850811
- Natalia Zbib, MDDenver, CO 802181962029892
- Aaron Burrows, MDDenver, CO 802201366491367
- Jonathan Fishman, MDDenver, CO 802201104813559
Common questions
What is Mary Ann Yi-Ang Huang, M.D.'s NPI number?
Mary Ann Yi-Ang Huang, M.D.'s National Provider Identifier (NPI) is 1477621902, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Yi-Ang Huang, M.D. located?
The NPPES record lists a practice address at 1601 E 19TH Ave Ste 5150, Denver, CO, 80218. Phone: (720) 754-2155. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Yi-Ang Huang, M.D.'s license?
NPPES lists Colorado license number DR.0056376, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Ann Yi-Ang Huang, M.D. prescribe under Medicare Part D?
In 2024, Mary Ann Yi-Ang Huang, M.D. had 639 Medicare Part D claims for 216 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Mary Ann Yi-Ang Huang, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.