Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Derek Oliver
Physician Assistant in Ventura, CA · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386153237
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Registry record
Entity type Individual (Type 1)
Name Derek Oliver
Sex Male
Practice address 300 Hillmont Ave, Ventura, CA, 93003
Phone (805) 652-6000
Enumeration date Sep 22, 2017
Last updated in NPPES Nov 18, 2025
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 54952 (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.
Frequently asked questions
Where does Derek Oliver practice?
The practice location on file with NPPES is in Ventura, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Derek Oliver?
The National Provider Identifier (NPI) for Derek Oliver is 1386153237, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Gerald Dalgleish Anatomic Pathology & Clinical Pathology Physician · Ventura, CA NPI 1073508511 Anthony Nasr Anatomic Pathology Physician · Ventura, CA NPI 1568412609 Ventura County Medical Center General Acute Care Hospital · Ventura, CA NPI 1417999137 Victoria Hendrick Psychiatry Physician · Ventura, CA NPI 1205943131 County of Ventura General Acute Care Hospital · Ventura, CA NPI 1629167457 William Starr Plastic Surgery Physician · Ventura, CA NPI 1114097516 Irena Vidito Hematology & Oncology Physician · Ventura, CA NPI 1689735227 David Fishman Anesthesiology Physician · Ventura, CA NPI 1154485431
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-18.