NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Steven Albert Grinsted, PT

Specialist in Los Angeles, CA · enumerated 2006 · practices at Axispt, Inc.

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

National Provider Identifier

1497765986

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Registry record

Entity type Individual (Type 1)
Name Mr. Steven Albert Grinsted
Credential PT
Sex Male
Practice address 708 W 1st St, Los Angeles, CA, 90012
Phone (213) 617-2947
Fax (213) 617-2903
Enumeration date Aug 8, 2006
Last updated in NPPES Sep 23, 2008

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 24988 (CA) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT credential

Other identifiers

Identifier Type State Issuer
ZZZ66237Z Other CA BLUE SHIELD

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Steven Grinsted?
Steven Grinsted is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-23.