Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cecilia Cruz Martinez, RD

Registered Dietitian in San Francisco, CA · enumerated 2022.

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

National Provider Identifier

1821731480

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Registry record

Entity type Individual (Type 1)

Name Cecilia Cruz Martinez

Credential RD

Sex Female

Practice address 201 Spear St Ste 1100, San Francisco, CA, 94105

Phone (415) 651-4333

Fax (844) 572-0001

Enumeration date Apr 20, 2022

Last updated in NPPES Aug 21, 2025

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers Primary

RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration. About the RD 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

What is the NPI number for Cecilia Cruz Martinez?

The National Provider Identifier (NPI) for Cecilia Cruz Martinez is 1821731480, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cecilia Cruz Martinez practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-21.