Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Gretchen Nicole Hartzler, P.T
Physical Therapist in Erlanger, KY · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1700135282
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Gretchen Nicole Hartzler
Credential P.T
Sex Female
Practice address 1265 Viola Ln, Erlanger, KY, 41018
Phone (513) 253-8401
Enumeration date Aug 30, 2012
Last updated in NPPES Aug 30, 2012
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 11687 (OH) Primary
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 5362 (KY) Secondary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT 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 Gretchen Hartzler?
The National Provider Identifier (NPI) for Gretchen Hartzler is 1700135282, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gretchen Hartzler practice?
The practice location on file with NPPES is in Erlanger, 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 2012-08-30.