Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Lillian Chilgren Ortiz-Switzer, P.T.
Physical Therapist in Tracy, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1568425759
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Registry record
Entity type Individual (Type 1)
Name Mrs. Lillian Chilgren Ortiz-Switzer
Credential P.T.
Sex Female
Practice address 1973 N Tracy Blvd, Tracy, CA, 95376
Phone (209) 833-9490
Fax (209) 833-9493
Enumeration date Apr 9, 2006
Last updated in NPPES Dec 10, 2009
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License P.T. 8356 (CA) Primary
2251E1200X Ergonomics Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License P.T.8356 (CA) Secondary
2251X0800X Orthopedic Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License P.T. 8356 (CA) 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
Where does Lillian Ortiz-Switzer practice?
The practice location on file with NPPES is in Tracy, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Lillian Ortiz-Switzer?
The National Provider Identifier (NPI) for Lillian Ortiz-Switzer is 1568425759, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-12-10.