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

Dr. Timothy Edgar Stewart, PH.D,

Addiction (Substance Use Disorder) Psychologist in Plainwell, MI · enumerated 2007 · practices at Pathways Psychological Associates Pllc.

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

National Provider Identifier

1639398795

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Registry record

Entity type Individual (Type 1)

Name Dr. Timothy Edgar Stewart

Credential PH.D,

Sex Male

Practice address Plainwell, MI, 49080

Phone (269) 685-6363

Enumeration date Apr 25, 2007

Last updated in NPPES Sep 11, 2025

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 · License 6401003604 (MI) Secondary

103TA0400X Addiction (Substance Use Disorder) Psychologist Behavioral Health & Social Service Providers · License 6301002548 (MI) Primary

103TB0200X Cognitive & Behavioral Psychologist Behavioral Health & Social Service Providers Secondary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

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 Timothy Stewart practice?

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

What is the NPI number for Timothy Stewart?

The National Provider Identifier (NPI) for Timothy Stewart is 1639398795, 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 2025-09-11.