Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Alireza Nasseri, PT, DPT
Physical Therapist in Irvine, CA · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821338138
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Registry record
Entity type Individual (Type 1)
Name Dr. Alireza Nasseri
Credential PT, DPT
Sex Male
Practice address 6640 Alton Pkwy, Irvine, CA, 92618
Phone (949) 932-5000
Enumeration date Feb 22, 2013
Last updated in NPPES Oct 12, 2013
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 34651 (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 Alireza Nasseri?
The National Provider Identifier (NPI) for Alireza Nasseri is 1821338138, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alireza Nasseri practice?
The practice location on file with NPPES is in Irvine, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-10-12.