Mary Ann Yi-ang Huang, MD in Denver, CO - Medicare Gastroenterology

Mary Ann Yi-ang Huang, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Denver, Colorado. She went to Loyola University Of Chicago, Stritch School Of Medicine and graduated in 1996 and has 29 years of diverse experience with area of expertise as Gastroenterology. She is a member of the group practice Healthone Clinic Services - Medical Specialties Llc, Peak Gastroenterology Associates, Healthone Clinic Services - Medical Specialties Llc and her current practice location is 1601 E 19th Ave Ste 5050, Denver, Colorado. You can reach out to her office (for appointments etc.) via phone at (720) 754-2155.

Mary Ann Yi-ang Huang is licensed to practice in Colorado (license number DR.0056376) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1477621902.

Contact Information

	Mary Ann Yi-ang Huang, MD
	1601 E 19th Ave Ste 5050, Denver, CO 80218-1200
	(720) 754-2155
	(720) 754-2106

Map and Direction

Physician's Profile

Full Name	Mary Ann Yi-ang Huang
Gender	Female
Speciality	Gastroenterology
Experience	29 Years
Location	1601 E 19th Ave Ste 5050, Denver, Colorado
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Mary Ann Yi-ang Huang attended and graduated from Loyola University Of Chicago, Stritch School Of Medicine in 1996

NPI Data:

NPI Number: 1477621902
Provider Enumeration Date: 12/01/2006
Last Update Date: 10/15/2025

Medicare PECOS Information:

PECOS PAC ID: 0547236911
Enrollment ID: I20160526002233

Medical Identifiers

Medical identifiers for Mary Ann Yi-ang Huang such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1477621902	NPI	-	NPPES
MS076336	Other		CHAMPUS-CHAMPUS
100H264400	Other		BLUE CROSS-BLUE CROSS
MS076336	Other		COMMERCIAL-COMMERCIAL NUMBER
472437710	Medicaid	MI
56880065	Medicaid	CO

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	DR.0056376 (Colorado)	Primary
207R00000X	Internal Medicine	4301076336 (Michigan)	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Presbyterian St Luke's Medical Center	Denver, CO	Hospital
Wyoming Medical Center	Casper, WY	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Healthone Clinic Services - Medical Specialties Llc	1850480807	23
Peak Gastroenterology Associates	2961484365	33
Healthone Clinic Services - Medical Specialties Llc	1850480807	23

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mary Ann Yi-ang Huang allows following entities to bill medicare on her behalf.

Entity Name	Catholic Health Initiatives Colorado
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1356783351 PECOS PAC ID: 8022927342 Enrollment ID: O20031215000462

Entity Name	Peak Gastroenterology Associates
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1023112117 PECOS PAC ID: 2961484365 Enrollment ID: O20040601000848

Entity Name	Healthone Clinic Services - Medical Specialties Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1457549461 PECOS PAC ID: 1850480807 Enrollment ID: O20071129000065

Entity Name	Portercare Adventist Health System
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1760761928 PECOS PAC ID: 0941110886 Enrollment ID: O20090115000327

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mary Ann Yi-ang Huang is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Mary Ann Yi-ang Huang, MD 1601 E 19th Ave Ste 5050, Denver, CO 80218-1200 Ph: (720) 754-2155	Mary Ann Yi-ang Huang, MD 1601 E 19th Ave Ste 5050, Denver, CO 80218-1200 Ph: (720) 754-2155

Reviews and Comments

Internal Medicine Doctors in Denver, CO

Katrina Wagoner-hursh, MD Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 1835 Franklin St, Denver, CO 80218 Phone: 303-338-4545
Emily Martin Jones, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 8111 E Lowry Blvd, Denver, CO 80230 Phone: 720-848-0000
Dr. Jesus Heliodoro Hermosillo Rodriguez, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 2045 N Franklin St, Denver, CO 80205 Phone: 303-338-4545
Philip Andreoli, D.O. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 777 Bannock St, Denver, CO 80204 Phone: 303-436-4949 Fax: 303-602-5056
Margaret Hay, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1601 E 19th Ave Ste 3100, Denver, CO 80218 Phone: 303-863-0300 Fax: 303-863-7014
Dr. Alan W Burgess, MD Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 1601 E 19th Ave Ste 6000, Denver, CO 80218 Phone: 303-861-7001 Fax: 303-861-8624
Dr. Sahibzada Mohsin Shah, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 777 Bannock St, Denver, CO 80204 Phone: 303-436-6000

Mary Ann Yi-ang Huang, MD - Medicare Gastroenterology in Denver, CO