Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Darrell G Green III, MFT

Marriage & Family Therapist in Half Moon Bay, CA · enumerated 2008.

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

National Provider Identifier

1245487255

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Registry record

Entity type Individual (Type 1)

Name Mr. Darrell G Green III

Credential MFT

Sex Male

Practice address 225 Cabrillo Hwy S, Suite 200a, Half Moon Bay, CA, 94019

Phone (650) 726-3259

Enumeration date Aug 20, 2008

Last updated in NPPES Aug 20, 2008

Taxonomy & licenses

106H00000X Marriage & Family Therapist 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 Darrell Green practice?

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

What is the NPI number for Darrell Green?

The National Provider Identifier (NPI) for Darrell Green is 1245487255, 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 2008-08-20.