Dr Andrea S Tieng, MD in Rancho Cucamonga, CA

Dr Andrea S Tieng, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Rancho Cucamonga, California. She graduated from medical school in 2003 and has 21 years of diverse experience with area of expertise as Gastroenterology. Her current practice location is 10801 Foothill Blvd Ste 106, Rancho Cucamonga, California. You can reach out to her office (for appointments etc.) via phone at (909) 255-7200.

Dr Andrea S Tieng is licensed to practice in California (license number A106477) 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 1356528566.

Contact Information

	Dr Andrea S Tieng, MD
	10801 Foothill Blvd Ste 106, Rancho Cucamonga, CA 91730-7695
	(909) 255-7200
	(909) 255-7215

Map and Direction

Physician's Profile

Full Name	Dr Andrea S Tieng
Gender	Female
Speciality	Gastroenterology
Experience	21 Years
Location	10801 Foothill Blvd Ste 106, Rancho Cucamonga, California
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:

Dr Andrea S Tieng graduated from medical school in 2003

NPI Data:

NPI Number: 1356528566
Provider Enumeration Date: 01/30/2008
Last Update Date: 01/27/2022

Medicare PECOS Information:

PECOS PAC ID: 9133256860
Enrollment ID: I20100428000624

Medical Identifiers

Medical identifiers for Dr Andrea S Tieng such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1356528566	NPI	-	NPPES
241597	Other	NY	MEDICAL LICENSE
A106477	Other	CA	MEDICAL LICENSE

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	241597 (New York)	Secondary
207RG0100X	Internal Medicine - Gastroenterology	A106477 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
San Antonio Regional Hospital	Upland, CA	Hospital

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. Dr Andrea S Tieng allows following entities to bill medicare on her behalf.

Entity Name	Andrea Tieng Md Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1013276575 PECOS PAC ID: 6901058528 Enrollment ID: O20121206000136

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. Dr Andrea S Tieng 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
Dr Andrea S Tieng, MD 10801 Foothill Blvd Ste 106, Rancho Cucamonga, CA 91730-7695 Ph: (909) 255-7200	Dr Andrea S Tieng, MD 10801 Foothill Blvd Ste 106, Rancho Cucamonga, CA 91730-7695 Ph: (909) 255-7200

Reviews and Comments

Internal Medicine Doctors in Rancho Cucamonga, CA

Behnam Ebrahimi, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 12577 Naples Way, Rancho Cucamonga, CA 91739 Phone: 714-281-2993
Catherine Joy Cabugao, Gastroenterology Medicare: Medicare Enrolled Practice Location: 10841 White Oak Ave Ste 107, Rancho Cucamonga, CA 91730 Phone: 909-466-8888
Muhammad Bader Hammami, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 9140 Haven Ave Ste 115, Rancho Cucamonga, CA 91730 Phone: 909-606-4860
Dr. Vatsal Haren Mody, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 10832 Laurel St Ste 101, Rancho Cucamonga, CA 91730 Phone: 909-477-3015
Hetalben Makwana, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 9190 Haven Ave Ste 102, Rancho Cucamonga, CA 91730 Phone: 909-981-0989 Fax: 909-949-6214
Tuan A Pham, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 9333 Baseline Rd, Ste. 160, Rancho Cucamonga, CA 91730 Phone: 909-941-4777 Fax: 909-941-4599
Dr. Wollelaw W Agmas, M.D Gastroenterology Medicare: Medicare Enrolled Practice Location: 8263 Grove Ave Ste 201, Rancho Cucamonga, CA 91730 Phone: 909-579-0708 Fax: 909-579-0778

Dr Andrea S Tieng, MD - Medicare Gastroenterology in Rancho Cucamonga, CA