Oluwatumininu Oludemi, DO

Primary specialty

Addiction Medicine (Family Medicine) PhysicianTaxonomy code 207QA0401X

License

20A21624 Issued in CA

Practice address

300 Hillmont Ave Ste 101
Ventura, CA 93003-1651

Phone

(805) 652-6100

NPI assigned

Jun 1, 2022

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

Other, 2022

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)

Hospital & facility affiliations

• Ventura County Medical Center Hospital, Ventura, CA, CCN 050159

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: oluwatumininu.oludemi@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 and National Provider Directory roles.

• County of Ventura

  dba Ventura County Medical Center

  • General Acute Care Hospital
  • Ventura, CA
  • NPI 1629167457
  Medicare reassignment Care Compare group NPD
• County of Ventura

  dba Conejo Valley Family Medical Group FQHC

  • Federally Qualified Health Center (FQHC)
  • Thousand Oaks, CA
  • NPI 1316188253
  NPD
• County of Ventura

  dba VCBH - Simi Valley Youth & Family Mental Health

  • Community/Behavioral Health Agency
  • Simi Valley, CA
  • NPI 1609098243
  NPD
• Lawrence W. Chespak, M.D., a Prof Corp

  • Diagnostic Radiology Physician
  • Santa Paula, CA
  • NPI 1922252816
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• County of Ventura

  dba Ventura County Medical Center

  • General Acute Care Hospital
  • Ventura, CA
  • NPI 1629167457
  Care Compare affiliation

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

{
    "created_epoch": "1654041600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753833600000",
    "number": "1013656883",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 HILLMONT AVE",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930031651",
            "telephone_number": "805-652-6228"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 HILLMONT AVE STE 101",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930031651",
            "telephone_number": "805-652-6100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1227 E Los Angeles Ave",
            "address_purpose": "LOCATION",
            "city": "Simi Valley",
            "state": "CA",
            "postal_code": "930652871",
            "country_code": "US",
            "telephone_number": "805-582-4000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "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"
        },
        {
            "address_1": "125 W Thousand Oaks Blvd Ste 200",
            "address_purpose": "LOCATION",
            "city": "Thousand Oaks",
            "state": "CA",
            "postal_code": "913604459",
            "country_code": "US",
            "telephone_number": "805-418-9100",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "325 W Channel Islands Blvd",
            "address_purpose": "LOCATION",
            "city": "Oxnard",
            "state": "CA",
            "postal_code": "930334501",
            "country_code": "US",
            "telephone_number": "805-204-9500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 Hillmont Ave",
            "address_purpose": "LOCATION",
            "city": "Ventura",
            "state": "CA",
            "postal_code": "930031651",
            "country_code": "US",
            "telephone_number": "805-652-6228",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2240 E Gonzales Rd Ste 110&120",
            "address_purpose": "LOCATION",
            "city": "Oxnard",
            "state": "CA",
            "postal_code": "930368210",
            "country_code": "US",
            "telephone_number": "805-981-5181",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OLUDEMI",
        "first_name": "OLUWATUMININU",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-06-01",
        "last_updated": "2025-07-30",
        "certification_date": "2025-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A21624",
            "primary": false
        },
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "CA",
            "license": "20A21624",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "oluwatumininu.oludemi@ventura.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "Cerner Direct Secure Email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Information",
            "address_1": "1227 E Los Angeles Ave",
            "city": "Simi Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "930652871",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Christina Lynne Olson, SLPA
• Hanna Olson
• Kaitlin Kelley Olson, AMFT
• Kristoff Anderson Olson, MD, MPH
• Mia Olson
• Oluwole a. Abe (A & B Medical Supply)
• Omt Health, Inc.
• Kristine Ann Ondersma, RNFA
• One Call Solutions, Inc. (CMHS Hospice)
• Onecall Medical Group

• Addiction Medicine (Family Medicine) Physician in Ventura, CA
• Providers in Ventura, CA by specialty
• Addiction Medicine (Family Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 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.