Christine Shieh, MD in Walnut Creek, CA - Medicare Internal Medicine

Christine Shieh, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Walnut Creek, California. Her current practice location is 1479 Ygnacio Valley Rd Ste 150, Walnut Creek, California. You can reach out to her office (for appointments etc.) via phone at (925) 296-7340.

Christine Shieh is licensed to practice in California (license number A174339) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1013414465.

Contact Information

	Christine Shieh, MD
	1479 Ygnacio Valley Rd Ste 150, Walnut Creek, CA 94598-2954
	(925) 296-7340
	Not Available

Map and Direction

Physician's Profile

Full Name	Christine Shieh
Gender	Female
Speciality	Internal Medicine - Gastroenterology
Location	1479 Ygnacio Valley Rd Ste 150, Walnut Creek, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1013414465
Provider Enumeration Date: 04/11/2018
Last Update Date: 06/24/2026

Medicare PECOS Information:

PECOS PAC ID: 6507121498
Enrollment ID: I20240807002126

Medical Identifiers

Medical identifiers for Christine Shieh such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1013414465	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	A174339 (California)	Primary

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. Christine Shieh allows following entities to bill medicare on her behalf.

Entity Name	Permanente Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1073606299 PECOS PAC ID: 8921910225 Enrollment ID: O20031104000710

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. Christine Shieh 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
Christine Shieh, MD 1450 Treat Blvd Ste 300, Walnut Creek, CA 94597-2168 Ph: (925) 952-2828	Christine Shieh, MD 1479 Ygnacio Valley Rd Ste 150, Walnut Creek, CA 94598-2954 Ph: (925) 296-7340

Reviews and Comments

Internal Medicine Doctors in Walnut Creek, CA

Dr. Joseph Patrick Henry, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 2645 Snyder Ct, Walnut Creek, CA 94598 Phone: 510-409-6511 Fax: 719-941-8247
Mr. Ramin Khashayar, MD Gastroenterology Medicare: May Accept Medicare Assignments Practice Location: 1399 Ygnacio Valley Rd, Ste 14, Walnut Creek, CA 94598 Phone: 925-939-3050 Fax: 925-939-3057
Dr. Hennessey Tseng, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1450 Treat Blvd, Suite 220b, Walnut Creek, CA 94597 Phone: 925-937-1770 Fax: 925-937-0630
Dr. Ali-reza Barmaki, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1220 Rossmoor Pkwy, Walnut Creek, CA 94595 Phone: 925-947-3393 Fax: 925-947-3396
Dr. Cynthia M. Mullen, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 2637 Shadelands Dr, Walnut Creek, CA 94598 Phone: 925-322-2372 Fax: 925-322-6720
Mr. David Nathanson, Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 320 Lennon Ln, Walnut Creek, CA 94598 Phone: 925-906-2000

Christine Shieh, MD - Medicare Internal Medicine in Walnut Creek, CA