Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alyson Callahan, CDCA

Addiction (Substance Use Disorder) Counselor in Circleville, OH · enumerated 2023.

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

National Provider Identifier

1881394039

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Registry record

Entity type Individual (Type 1)

Name Alyson Callahan

Credential CDCA

Sex Female

Practice address 2065 Stoneridge Dr, Circleville, OH, 43113

Phone (740) 500-1391

Enumeration date Mar 7, 2023

Last updated in NPPES Mar 7, 2023

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License CDCA.180209 (OH) 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.

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Frequently asked questions

Where does Alyson Callahan practice?

The practice location on file with NPPES is in Circleville, OH. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Alyson Callahan?

The National Provider Identifier (NPI) for Alyson Callahan is 1881394039, 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 2023-03-07.