Katherine Elizabeth Wagner, MD

Primary specialty

Neurological Surgery PhysicianTaxonomy code 207T00000X

License

A171941 Issued in CA

Practice address

168 N Brent St Ste 408
Ventura, CA 93003-2824

Phone

(617) 281-5273

Fax

(805) 643-0672

NPI assigned

May 6, 2014

Sex

Female

Sole proprietor

Yes

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

  CA

  Medicare reassignment Care Compare group NPD
• David L. Westra, MD, a Professional Corporation

  • Neurological Surgery Physician
  • Ventura, CA
  • NPI 1083950018

  CA, Neurological Surgery

  Medicare reassignment Care Compare group NPD
• County of Santa Clara

  • Anesthesiology Physician
  • San Jose, CA
  • NPI 1588721500

  CA, Neurological Surgery

  Medicare reassignment NPD
• County of Santa Clara

  • Federally Qualified Health Center (FQHC)
  • San Jose, CA
  • NPI 1629301346

  CA

  Medicare reassignment NPD
• County of Santa Clara

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • San Jose, CA
  • NPI 1699885079

  CA

  Medicare reassignment NPD
• Katherine E. Wagner, MD, a Professional Corporation

  • Neurological Surgery Physician
  • Ventura, CA
  • NPI 1841182243

  CA, Neurological Surgery

  Medicare reassignment NPD
• County of Ventura

  • Federally Qualified Health Center (FQHC)
  • Oxnard, CA
  • NPI 1043451982
  Care Compare group
• County of Ventura

  • Federally Qualified Health Center (FQHC)
  • Fillmore, CA
  • NPI 1134360076
  Care Compare group
• County of Ventura

  • State or Local Public Health Clinic/Center
  • Oxnard, CA
  • NPI 1134658644
  Care Compare group
• County of Ventura

  • Federally Qualified Health Center (FQHC)
  • Oxnard, CA
  • NPI 1154600336
  Care Compare group
• County of Ventura

  • Federally Qualified Health Center (FQHC)
  • Moorpark, CA
  • NPI 1174764021
  Care Compare group
• County of Ventura

  • Federally Qualified Health Center (FQHC)
  • Thousand Oaks, CA
  • NPI 1316188253
  Care Compare group

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

• Community Memorial Health System

  • Multi-Specialty Clinic/Center
  • Ventura, CA
  • NPI 1083001010

  Hospital

  Care Compare affiliation
• Community Memorial Health System

  • Multi-Specialty Clinic/Center
  • Ventura, CA
  • NPI 1114111309

  Hospital

  Care Compare affiliation
• Community Memorial Health System

  • Community Health Clinic/Center
  • Ojai, CA
  • NPI 1154609436

  Hospital

  Care Compare affiliation
• Community Memorial Health System

  • General Acute Care Hospital
  • Ventura, CA
  • NPI 1215903018

  Hospital

  Care Compare affiliation
• Community Memorial Health System

  • Multi-Specialty Clinic/Center
  • Oxnard, CA
  • NPI 1497060297

  Hospital

  Care Compare affiliation
• Community Memorial Health System

  • Gynecologic Oncology Physician
  • Ventura, CA
  • NPI 1619453982

  Hospital

  Care Compare affiliation
• Community Memorial Health System

  • Multi-Specialty Clinic/Center
  • Port Hueneme, CA
  • NPI 1659656775

  Hospital

  Care Compare affiliation
• Community Memorial Health System

  • Multi-Specialty Clinic/Center
  • Ventura, CA
  • NPI 1700303633

  Hospital

  Care Compare affiliation
• Community Memorial Health System

  • Orthopaedic Surgery Physician
  • Camarillo, CA
  • NPI 1871919126

  Hospital

  Care Compare affiliation
• Community Memorial Health System

  • Multi-Specialty Clinic/Center
  • Ojai, CA
  • NPI 1942872106

  Hospital

  Care Compare affiliation
• Community Memorial Health System

  • Critical Access Hospital
  • Ojai, CA
  • NPI 1992876767

  Hospital

  Care Compare affiliation
• County of Ventura

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

  Hospital

  Care Compare affiliation

Specialty

Neurosurgery

Education

Rutgers New Jersey Medical School, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

David L. Westra, MD, a Professional Corporation 2 clinicians

County of Ventura 340 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Community Memorial Hospital - Ventura Hospital, Ventura, CA, CCN 050394
• Ventura County Medical Center Hospital, Ventura, CA, CCN 050159
• Community Memorial Hospital - Ojai Hospital, Ojai, CA, CCN 051334
• St Johns Regional Medical Center Hospital, Oxnard, CA, CCN 050082

Procedures performed for Medicare patients

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/IBDHDD/Endpoint/IBDHDD

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Apr 6, 2026.

{
    "created_epoch": "1399334400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775433600000",
    "number": "1093125478",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "168 N BRENT ST STE 408",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930032824",
            "telephone_number": "617-281-5273",
            "fax_number": "805-643-0672"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "168 N BRENT ST STE 408",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930032824",
            "telephone_number": "617-281-5273",
            "fax_number": "805-643-0672"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Hillmont Ave",
            "address_purpose": "LOCATION",
            "city": "Ventura",
            "state": "CA",
            "postal_code": "930031651",
            "country_code": "US",
            "telephone_number": "805-652-6000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "825 N 10th St",
            "address_purpose": "LOCATION",
            "city": "Santa Paula",
            "state": "CA",
            "postal_code": "930601309",
            "country_code": "US",
            "telephone_number": "805-933-8650",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WAGNER",
        "first_name": "KATHERINE",
        "middle_name": "ELIZABETH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2014-05-06",
        "last_updated": "2026-04-06",
        "certification_date": "2026-04-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "CA",
            "license": "A171941",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "katherine.wagner@ventura.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "Cerner Direct Secure Email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Information",
            "address_1": "825 N 10th St",
            "city": "Santa Paula",
            "state": "CA",
            "country_code": "US",
            "postal_code": "930601309",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Becky Wade, M.D.
• Maria Wade, M.D.
• Patricia S Wade, FNP
• Lindsay Waggerman, MD
• Allan Kosuke Wagner, DO
• Stephanie Wagner, OTR/L
• Susan Elizabeth Wagner, M.A., M.F.T.I.
• Samantha Sloan Waid, RN, IBCLC
• Irene Bih Wakam, MD
• Nathan Wakamoto, DPT

• All providers in Ventura, CA
• Neurological Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 6, 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.