Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Gretchen F Trumpf, PT
Physical Therapist in Tustin, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1750598132
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Registry record
Entity type Individual (Type 1)
Name Gretchen F Trumpf
Credential PT
Sex Female
Practice address 17542 17th St Suite 300, Kaiser Permanente Home Health, Orange County, Tustin, CA, 92789
Phone (714) 944-8506
Fax (562) 433-9232
Enumeration date May 17, 2007
Last updated in NPPES Jun 13, 2014
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT 9234 (CA) Primary
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 Trumpf?
The National Provider Identifier (NPI) for Gretchen Trumpf is 1750598132, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gretchen Trumpf practice?
The practice location on file with NPPES is in Tustin, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-06-13.