Individual provider Active NPI

John Downtain, RN

  • Certified Registered Nurse Anesthetist
  • Loma Linda, CA
National Provider Identifier
1588401160
Registry record updated Aug 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
95002889 Issued in CA
Practice address
11234 Anderson St Ste A504
Loma Linda, CA 92350-1716
Phone
(909) 558-4000
NPI assigned
Jul 11, 2024
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 6, 2026

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 95002889 CA Primary

Addresses

Primary practice location

11234 Anderson St Ste A504
Loma Linda, CA 92350-1716

Mailing address

35793 Jack Rabbit LN
Murrieta, CA 92563-7931
Phone (208) 704-0241

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Registered Nurse

State licenses

LicenseStateTypeSpecialty
64030IDMDRegistered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1720656000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785974400000",
    "number": "1588401160",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "35793 JACK RABBIT LN",
            "city": "MURRIETA",
            "state": "CA",
            "postal_code": "925637931",
            "telephone_number": "208-704-0241"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11234 ANDERSON ST STE A504",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923501716",
            "telephone_number": "909-558-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DOWNTAIN",
        "first_name": "JOHN",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2024-07-11",
        "last_updated": "2026-08-06",
        "certification_date": "2026-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "95002889",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Loma Linda, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.