Hayden Farha Johnston

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

95002684 Issued in CA

Practice address

1013 Everett St Apt 204
Los Angeles, CA 90026-7499

Phone

(608) 772-2891

NPI assigned

Jul 23, 2024

Sex

Male

Sole proprietor

Yes

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

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Digestive Health Associates of Southern CaliforniaGroup PAC ID 3375806888, 16 clinicians

Southern California Permanente Medical GroupGroup PAC ID 6002729175, 11,250 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

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.

• Digestive Health Associates of Southern California

  • Certified Registered Nurse Anesthetist
  • Santa Monica, CA
  • NPI 1639604747
  Medicare reassignment Care Compare group
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Baldwin Park, CA
  • NPI 1770515280
  Medicare reassignment Care Compare group
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Los Angeles, CA
  • NPI 1134151657
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Santa Clarita, CA
  • NPI 1316409410
  NPD

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

{
    "created_epoch": "1721692800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1043048846",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1013 EVERETT ST APT 204",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900267499",
            "telephone_number": "608-772-2891"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1013 EVERETT ST APT 204",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900267499",
            "telephone_number": "608-772-2891"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSTON",
        "first_name": "HAYDEN",
        "middle_name": "FARHA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2024-07-23",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "95002684",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "303 N Oakland Ave Apt 7",
            "city": "Pasadena",
            "state": "CA",
            "country_code": "US",
            "postal_code": "911011646",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Brian D. Johnston, M.D.
• Danielle Christine Johnston, DC
• Devin Johnston
• Dominique Delelles Johnston, MCD-CCC-SLP
• Elinor A Johnston
• Jennifer Johnston, NBC-HWC
• Johanna Kerin Johnston, LCSW
• Julia Johnston, PA-C
• Mollie Maureen Johnston, M.D.
• Nicholas Stewart Johnston

• Certified Registered Nurse Anesthetist in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Certified Registered Nurse Anesthetist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.