Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Kathryn Kassai, P.T.
Physical Therapist in San Pedro, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1881788354
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Registry record
Entity type Individual (Type 1)
Name Mrs. Kathryn Kassai
Credential P.T.
Sex Female
Practice address 1360 W. Sixth Street, #210 North Building, San Pedro, CA, 90732
Phone (310) 548-3130
Fax (310) 548-0387
Enumeration date Oct 2, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT12729 (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 Kathryn Kassai?
The National Provider Identifier (NPI) for Kathryn Kassai is 1881788354, a Type 1 (individual) record in the CMS NPPES registry.
Where does Kathryn Kassai practice?
The practice location on file with NPPES is in San Pedro, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Ramakrishna Reddy Cardiovascular Disease Physician · San Pedro, CA NPI 1457360950 Thomas Lawrence Cardiovascular Disease Physician · San Pedro, CA NPI 1750390233 James French Cardiovascular Disease Physician · San Pedro, CA NPI 1821007394 Roopa Reddy Internal Medicine Physician · San Pedro, CA NPI 1821007709 Melani Veran-De Los Reyes Nurse Practitioner · San Pedro, CA NPI 1831288844
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.