Individual provider · Type 1 NPI

John Martin, PhD

Psychologist · Naperville, IL

NPI number 1417921271 Active

Practice location

29 S Webster St, Suite 220
Naperville, IL 60540-5356

Call (630) 355-9933 Map

Specialties and licenses

TaxonomyCodeLicense
Psychologist Primary 103T00000XNone listed

Psychologist: A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustmen…

24 other providers at this address

Other psychologist providers in Naperville

See all in Naperville →

About NPI 1417921271

John Martin, PhD's National Provider Identifier is 1417921271, issued on Feb 16, 2006. The primary taxonomy on file is Psychologist (103T00000X), and the practice location is in Naperville, IL. The record was last updated on Jul 13, 2026.