Individual provider Active NPI

Garrett James Kerwin, CRNA

  • Certified Registered Nurse Anesthetist
  • Fontana, CA
National Provider Identifier
1467868703
Registry record updated Nov 29, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
95000227 Issued in CA
Practice address
9961 Sierra Ave
Fontana, CA 92335-6720
Phone
(909) 427-5000
NPI assigned
Jul 8, 2014
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 29, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 95000227 CA Primary

Addresses

Primary practice location

9961 Sierra Ave
Fontana, CA 92335-6720

Mailing address

400 E California Blvd Apt 22
Pasadena, CA 91106-3764
Phone (505) 710-9264

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq Health Information Exchange (HIE) Southern California Permanente Medical Group

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, WV2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20150318002780 CA Practitioner - Certified Registered Nurse Anesthetist (Crna) 4284951872 Reassigns benefits to 1 organization
I20250623001865 WV Practitioner - Certified Registered Nurse Anesthetist (Crna) 4284951872 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northstar Anesthesia of West Virginia PLLCGroup PAC ID 2668750241, 124 clinicians

Practice addresses (Care Compare)

1 Medical Ctr Dr
Morgantown, WV 26506-1200
Phone (304) 293-4500

1200 J D Anderson Dr
Morgantown, WV 26505-3494
Phone (304) 598-1200

1340 Hal Greer Blvd
Huntington, WV 25701-3804
Phone (304) 526-2000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Southern California Permanente Medical Group Current Accepting new patients
Northstar Anesthesia of West Virginia, PLLC Nurse Anesthetist, Certified Registered CurrentSince May 21, 2025 Accepting new patients
Southern California Permanente Medical Group CurrentSince Jan 24, 2015 Accepting new patients
Southern California Permanente Medical Group CurrentSince Jan 24, 2015 Accepting new patients

Locations

9961 Sierra Ave
Fontana, CA 92335
Phone (909) 427-3910

393 E Walnut St
Pasadena, CA 91188
Phone (626) 405-7914

1340 Hal Greer Blvd
Huntington, WV 25701
Phone (304) 399-2960

Organizations & group practices 5

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1404777600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1638144000000",
    "number": "1467868703",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 E CALIFORNIA BLVD APT 22",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911063764",
            "telephone_number": "505-710-9264"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9961 SIERRA AVE",
            "city": "FONTANA",
            "state": "CA",
            "postal_code": "923356720",
            "telephone_number": "909-427-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KERWIN",
        "first_name": "GARRETT",
        "middle_name": "JAMES",
        "name_prefix": "Mr.",
        "credential": "CRNA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-07-08",
        "last_updated": "2021-11-29",
        "certification_date": "2021-11-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "95000227",
            "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": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "9961 Sierra Ave",
            "city": "Fontana",
            "state": "CA",
            "country_code": "US",
            "postal_code": "923356720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Fontana, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 29, 2021; 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.