Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Steven Paul Ferdig, MPT, OCS

Physical Therapist in Tustin, CA · enumerated 2006.

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

National Provider Identifier

1245258359

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Registry record

Entity type Individual (Type 1)

Name Mr. Steven Paul Ferdig

Credential MPT, OCS

Sex Male

Practice address 250 El Camino Real, Suite 100, Tustin, CA, 92780

Phone (714) 838-6999

Fax (714) 838-7099

Enumeration date Jul 17, 2006

Last updated in NPPES Jul 3, 2018

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT19617 (CA) Primary

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.

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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 Steven Ferdig?

Steven Ferdig 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 2018-07-03.