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Christopher Johnston, B.A.

Addiction (Substance Use Disorder) Counselor in Vassar, MI · enumerated 2016.

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

National Provider Identifier

1598121972

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Registry record

Entity type Individual (Type 1)
Name Christopher Johnston
Credential B.A.
Sex Male
Practice address Vassar, MI, 48768
Enumeration date Jan 14, 2016
Last updated in NPPES Jan 14, 2016

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 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

What is the NPI number for Christopher Johnston?
The National Provider Identifier (NPI) for Christopher Johnston is 1598121972, a Type 1 (individual) record in the CMS NPPES registry.
Where does Christopher Johnston practice?
The practice location on file with NPPES is in Vassar, MI. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-01-14.