Mr David Nathanson, in Walnut Creek, CA - Medicare Internal Medicine

Mr David Nathanson, is a medicare enrolled "Internal Medicine" physician in Walnut Creek, California. His current practice location is 320 Lennon Ln, Walnut Creek, California. You can reach out to his office (for appointments etc.) via phone at (925) 906-2000.

Mr David Nathanson is licensed to practice in California (license number 19491) 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 1013478676.

Contact Information

	Mr David Nathanson,
	320 Lennon Ln, Walnut Creek, CA 94598-2419
	(925) 906-2000
	Not Available

Map and Direction

Physician's Profile

Full Name	Mr David Nathanson
Gender	Male
Speciality	Internal Medicine
Location	320 Lennon Ln, 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: 1013478676
Provider Enumeration Date: 03/27/2019
Last Update Date: 10/24/2022

Medicare PECOS Information:

PECOS PAC ID: 4486021219
Enrollment ID: I20221107002960

Medical Identifiers

Medical identifiers for Mr David Nathanson such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1013478676	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	19491 (California)	Primary
390200000X	Student In An Organized Health Care Education/training Program	(* (Not Available))	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. Mr David Nathanson allows following entities to bill medicare on his 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. Mr David Nathanson 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
Mr David Nathanson, 31111 Agoura Rd Ste 205, Westlake Village, CA 91361-4447 Ph: (805) 368-2907	Mr David Nathanson, 320 Lennon Ln, Walnut Creek, CA 94598-2419 Ph: (925) 906-2000

Reviews and Comments

Internal Medicine Doctors in Walnut Creek, CA

Dr. Joseph Patrick Henry, M.D. Internal 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 Internal 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. Internal 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. Internal 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. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 2637 Shadelands Dr, Walnut Creek, CA 94598 Phone: 925-322-2372 Fax: 925-322-6720
Mark D Nathan, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 106 La Casa Via, #140, Walnut Creek, CA 94598 Phone: 925-274-2860 Fax: 925-932-4527

Mr David Nathanson, - Medicare Internal Medicine in Walnut Creek, CA