Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Gary C Stewart, PHD
Psychologist in Lexington, KY · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639294762
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Registry record
Entity type Individual (Type 1)
Name Dr. Gary C Stewart
Credential PHD
Sex Male
Practice address 436 West Second Street, Lexington, KY, 40508
Phone (859) 252-2616
Fax (859) 253-0095
Enumeration date Mar 20, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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.
Frequently asked questions
What is the NPI number for Gary Stewart?
The National Provider Identifier (NPI) for Gary Stewart is 1639294762, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gary Stewart practice?
The practice location on file with NPPES is in Lexington, KY. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.