Individual provider Active NPI

Darryl Erwin Warren, RN

  • Ambulatory Care Registered Nurse
  • Los Angeles, CA
National Provider Identifier
1497951693
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ambulatory Care Registered NurseTaxonomy code 163WP2201X
License
550359 Issued in CA
Practice address
1515 N Vermont Ave
8TH FL. RM. 8300
Los Angeles, CA 90027-5337
Phone
(323) 783-8987
Fax
(323) 783-1276
NPI assigned
Jun 25, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Administrator Registered Nurse 163WA2000X 550359 CA
Ambulatory Care Registered Nurse 163WP2201X 550359 CA Primary
Oncology Registered Nurse 163WX0200X 550359 CA

Addresses

Primary practice location

1515 N Vermont Ave
8TH FL. RM. 8300
Los Angeles, CA 90027-5337

Mailing address

1515 N Vermont Ave
8TH FL. RM. 8300
Los Angeles, CA 90027-5337
Phone (323) 783-8987

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
550359CAMDOncology Registered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1182729600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1497951693",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1515 N VERMONT AVE",
            "address_2": "8TH FL. RM. 8300",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900275337",
            "telephone_number": "323-783-8987",
            "fax_number": "323-783-1276"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1515 N VERMONT AVE",
            "address_2": "8TH FL. RM. 8300",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900275337",
            "telephone_number": "323-783-8987",
            "fax_number": "323-783-1276"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARREN",
        "first_name": "DARRYL",
        "middle_name": "ERWIN",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-25",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WA2000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Administrator",
            "state": "CA",
            "license": "550359",
            "primary": false
        },
        {
            "code": "163WP2201X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Ambulatory Care",
            "state": "CA",
            "license": "550359",
            "primary": true
        },
        {
            "code": "163WX0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Oncology",
            "state": "CA",
            "license": "550359",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.