Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Tonantzyn Beltran

Addiction (Substance Use Disorder) Counselor in San Anselmo, CA · enumerated 2021.

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

National Provider Identifier

1144804766

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Registry record

Entity type Individual (Type 1)

Name Tonantzyn Beltran

Sex Female

Practice address San Anselmo, CA, 94960

Phone (415) 524-6850

Enumeration date May 10, 2021

Last updated in NPPES May 10, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers Secondary

101YA0400X Addiction (Substance Use Disorder) 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

How do I verify Tonantzyn Beltran's NPI record?

Cross-check NPI 1144804766 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1144804766 active?

Yes, as of the latest NPPES snapshot, NPI 1144804766 is active (record last updated 2021-05-10).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-10.