Michael C Chase, MD in Sausalito, CA - Medicare Internal Medicine

Michael C Chase, MD is a medicare enrolled "Internal Medicine" physician in Sausalito, California. He went to New York Medical College and graduated in 1972 and has 53 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Regents Univ Of California Ucsf and his current practice location is 3 Harbor Dr Ste 111, Sausalito, California. You can reach out to his office (for appointments etc.) via phone at (415) 683-2988.

Michael C Chase is licensed to practice in California (license number G25829) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1457423105.

Contact Information

	Michael C Chase, MD
	3 Harbor Dr Ste 111, Sausalito, CA 94965-1491
	(415) 683-2988
	(415) 683-2980

Map and Direction

Physician's Profile

Full Name	Michael C Chase
Gender	Male
Speciality	Internal Medicine
Experience	53 Years
Location	3 Harbor Dr Ste 111, Sausalito, California
Accepts Medicare Assignments	May be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.

Medical Education and Training:

Michael C Chase attended and graduated from New York Medical College in 1972

NPI Data:

NPI Number: 1457423105
Provider Enumeration Date: 11/15/2006
Last Update Date: 10/27/2025

Medicare PECOS Information:

PECOS PAC ID: 2365580149
Enrollment ID: I20091116000505

Medical Identifiers

Medical identifiers for Michael C Chase such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1457423105	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	G25829 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Marinhealth Medical Center	Greenbrae, CA	Hospital
California Pacific Medical Center- Van Ness Campus	San francisco, CA	Hospital
Novato Community Hospital	Novato, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Regents Univ Of California Ucsf	6305160300	249

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. Michael C Chase allows following entities to bill medicare on his behalf.

Entity Name	Regents Univ Of California Ucsf
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1124439807 PECOS PAC ID: 6305160300 Enrollment ID: O20150122001375

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. Michael C Chase 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
Michael C Chase, MD 3 Harbor Dr Ste 111, Sausalito, CA 94965-1491 Ph: (415) 683-2988	Michael C Chase, MD 3 Harbor Dr Ste 111, Sausalito, CA 94965-1491 Ph: (415) 683-2988

Reviews and Comments

Internal Medicine Doctors in Sausalito, CA

Bradly P Jacobs, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 601 Murray Circle, Sausalito, CA 94965 Phone: 415-339-2692 Fax: 415-339-2691
Dr. Carolyn Petersen, M.D. Internal Medicine Medicare: Medicare Enrolled Practice Location: 509 Litho St, Sausalito, CA 94965 Phone: 415-521-0481
Dean Michael Ornish, M.D. Internal Medicine Medicare: Medicare Enrolled Practice Location: 900 Bridgeway, Suite 1, Sausalito, CA 94965 Phone: 415-332-2525 Fax: 415-332-2588
Dr. Matthew Gordon Meldorf, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 630 Drake Ave, Sausalito, CA 94965 Phone: 650-296-6236 Fax: 650-225-6619
Keith Douglas Desrochers, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 601 Murray Circle, Sausalito, CA 94965 Phone: 415-339-2692
Dr. Lawrence Posner, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 3 Harbor Drive, Suite 111, Sausalito, CA 94965 Phone: 415-683-2988 Fax: 415-683-2980

Michael C Chase, MD - Medicare Internal Medicine in Sausalito, CA