Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dorothy Houston, MFTI

Counselor in Richmond, CA · enumerated 2011.

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

National Provider Identifier

1639466493

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Registry record

Entity type Individual (Type 1)

Name Dorothy Houston

Credential MFTI

Sex Female

Practice address 3215 Nevin Ave, Richmond, CA, 94804

Phone (510) 232-7633

Fax (510) 215-2432

Enumeration date Jun 30, 2011

Last updated in NPPES Jun 30, 2011

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

Is NPI 1639466493 active?

Yes, as of the latest NPPES snapshot, NPI 1639466493 is active (record last updated 2011-06-30).

How do I verify Dorothy Houston's NPI record?

Cross-check NPI 1639466493 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-30.