Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Brian Michael Gunzelman, PT, DPT
Physical Therapist in Fullerton, CA · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023473717
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Registry record
Entity type Individual (Type 1)
Name Brian Michael Gunzelman
Credential PT, DPT
Sex Male
Practice address 606 N Cornell Ave, Fullerton, CA, 92831
Phone (760) 525-3107
Enumeration date Dec 22, 2015
Last updated in NPPES Jul 11, 2025
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 43280 (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
Where does Brian Gunzelman practice?
The practice location on file with NPPES is in Fullerton, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Brian Gunzelman?
The National Provider Identifier (NPI) for Brian Gunzelman is 1023473717, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-11.