Sara Mathew Holmes, MD in Novato, CA

Sara Mathew Holmes, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Novato, California. She went to Temple University School Of Medicine and graduated in 2006 and has 19 years of diverse experience with area of expertise as Nephrology. She is a member of the group practice Permanente Medical Group Inc and her current practice location is 97 San Marin Dr, Novato, California. You can reach out to her office (for appointments etc.) via phone at (415) 899-7880.

Sara Mathew Holmes is licensed to practice in District Of Columbia (license number MD600004898) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1801174479.

Contact Information

	Sara Mathew Holmes, MD
	97 San Marin Dr, Novato, CA 94945-1100
	(415) 899-7880
	(415) 899-7815

Map and Direction

Physician's Profile

Full Name	Sara Mathew Holmes
Gender	Female
Speciality	Nephrology
Experience	19 Years
Location	97 San Marin Dr, Novato, California
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Sara Mathew Holmes attended and graduated from Temple University School Of Medicine in 2006

NPI Data:

NPI Number: 1801174479
Provider Enumeration Date: 07/29/2011
Last Update Date: 11/05/2025

Medicare PECOS Information:

PECOS PAC ID: 8426229972
Enrollment ID: I20150526001126

Medical Identifiers

Medical identifiers for Sara Mathew Holmes such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1801174479	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RN0300X	Internal Medicine - Nephrology	MD443610 (Pennsylvania)	Secondary
207RN0300X	Internal Medicine - Nephrology	MD600004898 (District Of Columbia)	Primary
207RN0300X	Internal Medicine - Nephrology	A133361 (California)	Secondary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Permanente Medical Group Inc	8921910225	8867

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. Sara Mathew Holmes 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. Sara Mathew Holmes 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
Sara Mathew Holmes, MD 97 San Marin Dr, Novato, CA 94945-1100 Ph: (415) 899-7880	Sara Mathew Holmes, MD 97 San Marin Dr, Novato, CA 94945-1100 Ph: (415) 899-7880

Reviews and Comments

Internal Medicine Doctors in Novato, CA

Dr. Ranjit Singh Hundal, M.D. Nephrology Medicare: Not Enrolled in Medicare Practice Location: 180 Rowland Way, Novato Community Hospital 180 Rowland Way, Novato, CA 94945 Phone: 415-209-1300
Ritu Mukerji-metzger, MD Nephrology Medicare: Medicare Enrolled Practice Location: 97 San Marin Dr, Novato, CA 94945 Phone: 415-899-7400
Helen Man-son-hing, MD Nephrology Medicare: Medicare Enrolled Practice Location: 97 San Marin Dr, Novato, CA 94945 Phone: 415-899-7400
Donald A. Pierce, MD Nephrology Medicare: Not Enrolled in Medicare Practice Location: 97 San Marin Dr, Novato, CA 94945 Phone: 415-899-7400
Brian Rodysill, MD Nephrology Medicare: Accepting Medicare Assignments Practice Location: 100 Rowland Way Ste 300, Novato, CA 94945 Phone: 415-878-0225
Robert J. Lavaysse, MD Nephrology Medicare: Not Enrolled in Medicare Practice Location: 97 San Marin Dr, Novato, CA 94945 Phone: 415-899-7400
Dr. Michael Kam-hong Kwok, M.D. Nephrology Medicare: Accepting Medicare Assignments Practice Location: 165 Rowland Way, Suite 201, Novato, CA 94945 Phone: 415-897-3174 Fax: 415-892-9589

Sara Mathew Holmes, MD - Medicare Nephrology in Novato, CA