Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Maryam Ziaie Matin, MD

Geriatric Medicine (Internal Medicine) Physician in Greenbrae, CA · enumerated 2006 · practices at Sequoia Living Inc.

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

National Provider Identifier

1124133111

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Registry record

Entity type Individual (Type 1)

Name Dr. Maryam Ziaie Matin

Credential MD

Sex Female

Practice address 501 Via Casitas, Greenbrae, CA, 94904

Phone (415) 464-1771

Fax (415) 464-1158

Enumeration date Aug 20, 2006

Last updated in NPPES Jan 10, 2018

Taxonomy & licenses

207RG0300X Geriatric Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License A78803 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

Where does Maryam Ziaie Matin practice?

The practice location on file with NPPES is in Greenbrae, CA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Maryam Ziaie Matin?

The National Provider Identifier (NPI) for Maryam Ziaie Matin is 1124133111, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-01-10.