Dr Nader Kamangar, MD in Walnut Creek, CA - Medicare Internal Medicine

Dr Nader Kamangar, MD is a medicare enrolled "Internal Medicine - Critical Care Medicine" physician in Walnut Creek, California. His current practice location is 1399 Ygnacio Valley Rd, Ste 14, Walnut Creek, California. You can reach out to his office (for appointments etc.) via phone at (925) 939-3050.

Dr Nader Kamangar is licensed to practice in California (license number A66078) 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 1922093285.

Contact Information

	Dr Nader Kamangar, MD
	1399 Ygnacio Valley Rd, Ste 14, Walnut Creek, CA 94598-2884
	(925) 939-3050
	(925) 939-3057

Map and Direction

Physician's Profile

Full Name	Dr Nader Kamangar
Gender	Male
Speciality	Internal Medicine - Critical Care Medicine
Location	1399 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: 1922093285
Provider Enumeration Date: 09/13/2005
Last Update Date: 09/11/2025

Medicare PECOS Information:

PECOS PAC ID: 6305863721
Enrollment ID: I20051025000980

Medical Identifiers

Medical identifiers for Dr Nader Kamangar such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1922093285	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RC0200X	Internal Medicine - Critical Care Medicine	A66078 (California)	Primary
207RP1001X	Internal Medicine - Pulmonary Disease	A66078 (California)	Secondary

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 Nader Kamangar allows following entities to bill medicare on his behalf.

Entity Name	County Of Los Angeles
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1851363188 PECOS PAC ID: 1850296534 Enrollment ID: O20031204001218

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 Nader Kamangar 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 Nader Kamangar, MD 1399 Ygnacio Valley Rd, Suite 14, Walnut Creek, CA 94598-2884 Ph: (925) 939-3050	Dr Nader Kamangar, MD 1399 Ygnacio Valley Rd, Ste 14, Walnut Creek, CA 94598-2884 Ph: (925) 939-3050

Reviews and Comments

Internal Medicine Doctors in Walnut Creek, CA

Dr. Joseph Patrick Henry, M.D. Critical Care Medicine Medicare: May Accept Medicare Assignments Practice Location: 2645 Snyder Ct, Walnut Creek, CA 94598 Phone: 510-409-6511 Fax: 719-941-8247
Mr. Ramin Khashayar, MD Critical Care Medicine Medicare: Accepting 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. Critical Care Medicine 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. Critical Care Medicine Medicare: May Accept 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. Critical Care Medicine Medicare: Accepting Medicare Assignments Practice Location: 2637 Shadelands Dr, Walnut Creek, CA 94598 Phone: 925-322-2372 Fax: 925-322-6720
Mr. David Nathanson, Critical Care Medicine Medicare: Medicare Enrolled Practice Location: 320 Lennon Ln, Walnut Creek, CA 94598 Phone: 925-906-2000
Mark D Nathan, MD Critical Care Medicine Medicare: Accepting Medicare Assignments Practice Location: 106 La Casa Via, #140, Walnut Creek, CA 94598 Phone: 925-274-2860 Fax: 925-932-4527

Dr Nader Kamangar, MD - Medicare Internal Medicine in Walnut Creek, CA