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Crystal D Mahoy, PSY.D.

Clinical Psychologist in Evansville, IN · enumerated 2014.

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

National Provider Identifier

1124424189

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Registry record

Entity type Individual (Type 1)
Name Crystal D Mahoy
Credential PSY.D.
Sex Female
Practice address 421 Chestnut St, Evansville, IN, 47713
Phone (812) 426-9779
Fax (812) 450-8102
Enumeration date Nov 18, 2014
Last updated in NPPES Mar 14, 2017

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 20043026A (IN) Primary
PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD 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 Crystal Mahoy practice?
The practice location on file with NPPES is in Evansville, IN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Crystal Mahoy?
The National Provider Identifier (NPI) for Crystal Mahoy is 1124424189, 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 2017-03-14.