Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Cardiovascular Associates of Marin & San Francisco Medical Group Inc

Cardiovascular Disease Physician in Larkspur, CA · enumerated 2005 · authorized official Ronni Himy, Administrator.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1790775609

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Registry record

Entity type Organization (Type 2)

Legal business name Cardiovascular Associates of Marin & San Francisco Medical Group Inc

Practice address 2 Bon Air Rd, Suite 100, Larkspur, CA, 94939

Phone (415) 927-0666

Fax (415) 927-6159

Enumeration date Oct 24, 2005

Last updated in NPPES Mar 21, 2014

Taxonomy & classification

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians Secondary

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Ronni Himy

Title Administrator

Phone (415) 927-8586

Other identifiers

Identifier	Type	State	Issuer
ZZZ83300Z	Other	CA	MEDICARE PTAN #

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Who is the authorized official for Cardiovascular Associates of Marin & San Francisco Medical Group Inc?

NPPES lists Ronni Himy (Administrator) as the authorized official for this organization.

What is the NPI number for Cardiovascular Associates of Marin & San Francisco Medical Group Inc?

The NPI for Cardiovascular Associates of Marin & San Francisco Medical Group Inc is 1790775609, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-03-21.