Dr Doris Yiafang Chih, MD, PHD in Duarte, CA

Dr Doris Yiafang Chih, MD, PHD is a medicare enrolled "Internal Medicine - Nephrology" physician in Duarte, California. She went to University Of California, Geffen School Of Medicine and graduated in 2003 and has 22 years of diverse experience with area of expertise as Hospitalist. She is a member of the group practice City Of Hope Medical Foundation and her current practice location is 1500 Duarte Rd, Duarte, California. You can reach out to her office (for appointments etc.) via phone at (626) 256-4673.

Dr Doris Yiafang Chih is licensed to practice in California (license number A91101) 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 1477612117.

Contact Information

	Dr Doris Yiafang Chih, MD, PHD
	1500 Duarte Rd, Duarte, CA 91010-3012
	(626) 256-4673
	(626) 408-3911

Map and Direction

Physician's Profile

Full Name	Dr Doris Yiafang Chih
Gender	Female
Speciality	Hospitalist
Experience	22 Years
Location	1500 Duarte Rd, Duarte, 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 Doris Yiafang Chih attended and graduated from University Of California, Geffen School Of Medicine in 2003

NPI Data:

NPI Number: 1477612117
Provider Enumeration Date: 12/08/2006
Last Update Date: 09/10/2025

Medicare PECOS Information:

PECOS PAC ID: 1254431562
Enrollment ID: I20070714000210

Medical Identifiers

Medical identifiers for Dr Doris Yiafang Chih such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1477612117	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RN0300X	Internal Medicine - Nephrology	A91101 (California)	Primary
208M00000X	Hospitalist	67835 (Arizona)	Secondary
207R00000X	Internal Medicine	A91101 (California)	Secondary
208M00000X	Hospitalist	A91101 (California)	Secondary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
City Of Hope Medical Foundation	3779751656	791

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 Doris Yiafang Chih allows following entities to bill medicare on her behalf.

Entity Name	Providence Medical Foundation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1285890624 PECOS PAC ID: 8921993205 Enrollment ID: O20040216001346

Entity Name	City Of Hope Medical Foundation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1871886366 PECOS PAC ID: 3779751656 Enrollment ID: O20110720000244

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 Doris Yiafang Chih 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 Doris Yiafang Chih, MD, PHD Po Box 512185, Los Angeles, CA 90051-0185 Ph: () -	Dr Doris Yiafang Chih, MD, PHD 1500 Duarte Rd, Duarte, CA 91010-3012 Ph: (626) 256-4673

Reviews and Comments

Internal Medicine Doctors in Duarte, CA

Sasan Fazeli, M.D. Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1500 Duarte Rd, Duarte, CA 91010 Phone: 626-256-4673 Fax: 626-408-3911
Mr. Yun Yen, MD Nephrology Medicare: Not Enrolled in Medicare Practice Location: 1500 E Duarte Rd, Duarte, CA 91010 Phone: 626-359-8111
Dr. Randy Allison Taplitz, MD Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1500 Duarte Rd, Duarte, CA 91010 Phone: 626-256-4673
Dr. Liying Cai, M.D., PH.D. Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1500 Duarte Rd, Duarte, CA 91010 Phone: 626-256-4673
Peter Poon-hang Lee, MD Nephrology Medicare: Not Enrolled in Medicare Practice Location: 1500 Duarte Rd, Duarte, CA 91010 Phone: 626-359-8111
Dr. Sharonlin Bhardwaj, M.D. Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1500 Duarte Rd, Duarte, CA 91010 Phone: 626-256-4673
Ms. Jasmine Zain, MD Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1500 E. Duarte Rd., Duarte, CA 91010 Phone: 626-256-4673

Dr Doris Yiafang Chih, MD, PHD - Medicare Hospitalist in Duarte, CA