Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Diane Monica Ritchie

Counselor in San Diego, CA · enumerated 2017.

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

National Provider Identifier

1508376369

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Registry record

Entity type Individual (Type 1)

Name Diane Monica Ritchie

Sex Female

Practice address 220 Euclid Ave Ste 40, San Diego, CA, 92114

Phone (619) 795-7232

Fax (619) 795-7256

Enumeration date Oct 6, 2017

Last updated in NPPES Oct 6, 2017

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers Primary

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 Diane Ritchie practice?

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

What is the NPI number for Diane Ritchie?

The National Provider Identifier (NPI) for Diane Ritchie is 1508376369, 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 2017-10-06.