Joseph Cook Vielbig, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A197925 Issued in CA

Practice address

5250 Ralston St
Ventura, CA 93003-7318

Phone

(805) 658-5800

NPI assigned

Apr 25, 2020

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

Other identifiers 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

University of Oklahoma College of Medicine, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

  • General Acute Care Hospital
  • Ventura, CA
  • NPI 1629167457
  Medicare reassignment

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

• County of Ventura

  • 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": "1587772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787702400000",
    "number": "1265052641",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5250 RALSTON ST",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930037318",
            "telephone_number": "805-658-5800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5250 RALSTON ST",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930037318",
            "telephone_number": "805-658-5800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VIELBIG",
        "first_name": "JOSEPH",
        "middle_name": "COOK",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-25",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A197925",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CALIFORNIA DEPARTMENT OF CONSUMER AFFAIRS",
            "identifier": "A197925",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Victoria Ventura Healthcare LLC
• Joycelyn Vidal, NP
• Leticia T. Vidales, MA, LMFT
• Irena Sarah Vidito, D.O.
• Bethanne Vidmar, OTD, OTR/L
• Noel A Vierma
• Mayra Vieyra
• Vigilant Medical, Inc.
• Ruby Raylene Villa
• Village Collaboration Station, PC

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2026; 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.