Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ma Sofia B De Castro, P.T.

Physical Therapist in Pasadena, CA · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1376737593

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Registry record

Entity type Individual (Type 1)

Name Ma Sofia B De Castro

Credential P.T.

Sex Female

Practice address 301 S Fair Oaks Ave, Suite 401, Pasadena, CA, 91105

Phone (626) 744-0411

Fax (626) 744-0431

Enumeration date Aug 30, 2007

Last updated in NPPES Aug 30, 2007

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT 33747 (CA) Primary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT credential

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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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Ma Sofia De Castro?

Ma Sofia De Castro is registered in NPPES with the primary taxonomy of Physical Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-30.