John Jiwoong Ryu, MD in Walnut Creek, CA

John Jiwoong Ryu, MD is a medicare enrolled "Anesthesiology" physician in Walnut Creek, California. His current practice location is 1601 Ygnacio Valley Rd, Walnut Creek, California. You can reach out to his office (for appointments etc.) via phone at (925) 939-3000.

John Jiwoong Ryu is licensed to practice in California (license number A51686) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1497783021.

Contact Information

	John Jiwoong Ryu, MD
	1601 Ygnacio Valley Rd, Walnut Creek, CA 94598-3122
	(925) 939-3000
	(925) 947-5286

Map and Direction

Physician's Profile

Full Name	John Jiwoong Ryu
Gender	Male
Speciality	Anesthesiology
Location	1601 Ygnacio Valley Rd, 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: 1497783021
Provider Enumeration Date: 06/30/2006
Last Update Date: 07/08/2007

Medicare PECOS Information:

PECOS PAC ID: 7315008000
Enrollment ID: I20081213000151

Medical Identifiers

Medical identifiers for John Jiwoong Ryu such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1497783021	NPI	-	NPPES
00A516860	Medicaid	CA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207L00000X	Anesthesiology	A51686 (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. John Jiwoong Ryu allows following entities to bill medicare on his behalf.

Entity Name	John Muir Trauma Physicians Billing Service
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1093864837 PECOS PAC ID: 3476542515 Enrollment ID: O20050420001452

Entity Name	Cep America - Anesthesia Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1790401438 PECOS PAC ID: 3678897915 Enrollment ID: O20150115001110

Entity Name	G2 Anesthesia Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1487214698 PECOS PAC ID: 3375873599 Enrollment ID: O20191001001034

Entity Name	Total Anesthesia Care Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1730806449 PECOS PAC ID: 8224408364 Enrollment ID: O20230105001535

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. John Jiwoong Ryu 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
John Jiwoong Ryu, MD Po Box 7793, San Francisco, CA 94120-7793 Ph: () -	John Jiwoong Ryu, MD 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598-3122 Ph: (925) 939-3000

Reviews and Comments

Anesthesiology Doctors in Walnut Creek, CA

Kevin George Kaiser, MD Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 Phone: 925-939-3000 Fax: 925-947-5286
David Curtis Fitzgerald, MD Anesthesiology Medicare: Medicare Enrolled Practice Location: 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 Phone: 925-939-3000 Fax: 925-947-5286
Kurt Dieter Dittmar, MD Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 1607 Ygnacio Valley Rd, Walnut Creek, CA 94598 Phone: 925-939-3000 Fax: 925-947-5286
Christine E. Sands, MD Anesthesiology Medicare: Not Enrolled in Medicare Practice Location: 1425 S Main St, Walnut Creek, CA 94596 Phone: 925-295-4000
David Aaron Shapiro, MD Anesthesiology Medicare: Medicare Enrolled Practice Location: 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 Phone: 925-939-3000 Fax: 925-947-5286
Nitin Kumar, Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 Phone: 925-939-3000
Mark D. Piehler, MD Anesthesiology Medicare: Not Enrolled in Medicare Practice Location: 1425 S Main St, Walnut Creek, CA 94596 Phone: 925-295-4000

John Jiwoong Ryu, MD - Medicare Anesthesiology in Walnut Creek, CA