Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alyssa Sarah Jo Callahan
Behavior Analyst in Lacey, WA · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023633385
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Registry record
Entity type Individual (Type 1)
Name Alyssa Sarah Jo Callahan
Sex Female
Practice address 605 Woodland Square Loop Se, Lacey, WA, 98503
Phone (360) 456-2237
Enumeration date Jun 12, 2020
Last updated in NPPES Jun 12, 2020
Taxonomy & licenses
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.
Frequently asked questions
Is NPI 1023633385 active?
Yes, as of the latest NPPES snapshot, NPI 1023633385 is active (record last updated 2020-06-12).
How do I verify Alyssa Callahan's NPI record?
Cross-check NPI 1023633385 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 2020-06-12.