Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Debbie Alter

Peer Specialist in Stockton, CA · enumerated 2014.

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

National Provider Identifier

1659784007

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Registry record

Entity type Individual (Type 1)

Name Debbie Alter

Sex Female

Practice address 1212 N California St, Stockton, CA, 95202

Phone (209) 468-2385

Fax (209) 468-8024

Enumeration date Jun 3, 2014

Last updated in NPPES Jul 27, 2023

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers Secondary

175T00000X Peer Specialist Other Service Providers · License MPSS-DIBOGY (CA) 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 1659784007 active?

Yes, as of the latest NPPES snapshot, NPI 1659784007 is active (record last updated 2023-07-27).

How do I verify Debbie Alter's NPI record?

Cross-check NPI 1659784007 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 2023-07-27.