Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Steven K Dillavou, P.A.-C.
Physician Assistant in Torrance, CA · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003171851
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Registry record
Entity type Individual (Type 1)
Name Mr. Steven K Dillavou
Credential P.A.-C.
Sex Male
Practice address 5215 Torrance Blvd Ste 300, Torrance, CA, 90503
Phone (424) 212-5361
Fax (310) 316-3466
Enumeration date Jul 9, 2012
Last updated in NPPES Mar 31, 2021
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 1301 (NH) Secondary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 9108537 (FL) Secondary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 002305 (IA) Secondary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 54486 (CA) Primary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 0004506 (CO) Secondary
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
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 Dillavou?
Steven Dillavou is registered in NPPES with the primary taxonomy of Physician Assistant. 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 2021-03-31.