Individual provider Active NPI

David J. Rickles, MD

  • Radiation Oncology Physician
  • Lawndale, CA
National Provider Identifier
1700926862
Registry record updated Jul 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
G56693 Issued in CA
Practice address
14608 Hawthorne Blvd
Lawndale, CA 90260-1521
Phone
(310) 978-4970
Fax
(310) 978-8668
NPI assigned
Feb 7, 2007
Reactivated
Jul 14, 2026
Last updated
Jul 14, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X G56693 CA Primary

Addresses

Primary practice location

14608 Hawthorne Blvd
Lawndale, CA 90260-1521

Mailing address

14608 Hawthorne Blvd
Lawndale, CA 90260-1521
Phone (951) 691-5123

Other identifiers 2

IdentifierTypeStateIssuer
00G566930MedicaidCA
A003OtherCATRIWEST PROVIDER #

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)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G56693CAMDRadiation Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
David J Rickles M.D. Inc. PastSince Jan 1, 1996 Accepting new patients
The Regents of the University of California Radiation Oncology Past Accepting new patients
Genesiscare USA of California a Medical Corporation Radiation Oncology Past Accepting new patients
Genesiscare USA of California a Medical Corporation Radiation Oncology PastSince Oct 1, 2017 Accepting new patients
David J Rickles, MD, Inc PastSince Jan 1, 1996 Accepting new patients

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1170806400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783987200000",
    "number": "1700926862",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14608 HAWTHORNE BLVD",
            "city": "LAWNDALE",
            "state": "CA",
            "postal_code": "902601521",
            "telephone_number": "951-691-5123",
            "fax_number": "951-691-5156"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14608 HAWTHORNE BLVD",
            "city": "LAWNDALE",
            "state": "CA",
            "postal_code": "902601521",
            "telephone_number": "310-978-4970",
            "fax_number": "310-978-8668"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RICKLES",
        "first_name": "DAVID",
        "middle_name": "J.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-02-07",
        "last_updated": "2026-07-14",
        "deactivation_date": "2026-03-04",
        "reactivation_date": "2026-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "CA",
            "license": "G56693",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G566930",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRIWEST PROVIDER #",
            "identifier": "A003",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Lawndale, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 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.