Derek Oliver

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

54952 Issued in CA

Practice address

300 Hillmont Ave
Ventura, CA 93003-1651

Phone

(805) 652-6000

NPI assigned

Sep 22, 2017

Last updated

Nov 18, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

County of VenturaGroup PAC ID 7911810171, 340 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: derek.oliver@ventura.cernerdirect.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• County of Ventura

  dba Ventura County Medical Center

  • General Acute Care Hospital
  • Ventura, CA
  • NPI 1629167457
  Medicare reassignment Care Compare group NPD
• Cep America - California

  dba Vituity

  • Emergency Medicine Physician
  • Santa Ana, CA
  • NPI 1548667843
  Medicare reassignment
• Seaside Emergency Associates

  • Emergency Medicine Physician
  • Ventura, CA
  • NPI 1639577802
  Medicare reassignment
• Ventura Emergency Physicians

  • Emergency Medicine Physician
  • Ventura, CA
  • NPI 1518298686
  Medicare reassignment
• Cep America - California

  dba Vituity

  • Emergency Medicine Physician
  • Camarillo, CA
  • NPI 1477844884
  NPD
• Cep America-California

  • Emergency Medicine Physician
  • Murrieta, CA
  • NPI 1588552848
  NPD
• County of Ventura

  dba VCBH - Fillmore Substance Use Services

  • Community/Behavioral Health Agency
  • Fillmore, CA
  • NPI 1013129782
  NPD
• County of Ventura

  dba VCBH - Simi Valley Youth & Family Mental Health

  • Community/Behavioral Health Agency
  • Simi Valley, CA
  • NPI 1609098243
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1506038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763424000000",
    "number": "1386153237",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1108",
            "city": "THOUSAND OAKS",
            "state": "CA",
            "postal_code": "913580108",
            "telephone_number": "805-300-1242"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 HILLMONT AVE",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930031651",
            "telephone_number": "805-652-6000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "133 W Santa Clara St",
            "address_purpose": "LOCATION",
            "city": "Ventura",
            "state": "CA",
            "postal_code": "930012543",
            "country_code": "US",
            "telephone_number": "805-641-5600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OLIVER",
        "first_name": "DEREK",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-09-22",
        "last_updated": "2025-11-18",
        "certification_date": "2025-11-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "54952",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "derek.oliver@ventura.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "Cerner Direct Secure Email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Information",
            "address_1": "133 W Santa Clara St",
            "city": "Ventura",
            "state": "CA",
            "country_code": "US",
            "postal_code": "930012543",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Sarah Ann Olaguez
• Gabrielle Lena Olcott, PT, DPT
• Mariafe De Luna Olipani, RN
• Christina M.L Olivares
• Olive-Med Supply Co. Inc.
• Lindsay Oliver, DPT
• Sonia Olivera
• Corinna Olivieri
• Mariela Olmedo
• Adam W Olsen

• Physician Assistant in Ventura, CA
• Providers in Ventura, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.