NPIMap

Organization Active NPI

X-Ray Medical Group Radiation Oncology Inc

  • Radiation Oncology Physician
  • La Mesa, CA
National Provider Identifier
1790724565
Registry record updated Feb 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
Legal business name
X-RAY MEDICAL GROUP RADIATION ONCOLOGY INC
Practice address
5555 Grossmont Center Dr
La Mesa, CA 91942-3019
Phone
(619) 740-4500
Fax
(619) 740-8499
NPI assigned
Jun 6, 2006
Organization subpart
No

Authorized official

NPPES NPI Registry
Name
Kelly Dewitt, MDNPI 1184668741
Title
Authorized Official
Phone
(619) 740-4500

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Practitioners 16

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 16

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040804001813 CA Part B Supplier - Clinic/Group Practice 2668443326 Receives reassigned benefits from 11 practitioners
Practice locations: San Diego, CA; La Mesa, CA; Chula Vista, CA

National Provider Directory

National Provider Directory

Locations

769 Medical Center Ct
Ste 100
Chula Vista, CA 91911

16918 Dove Canyon Rd
San Diego, CA 92127
Phone (360) 349-0790

3075 Health Center Dr
#0
San Diego, CA 92123
Phone (858) 939-5010

7901 Frost St
#0
San Diego, CA 92123

Specialties & licenses 1

NPPES NPI Registry
Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology PhysicianGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 2085R0001X Primary

Addresses

NPPES NPI Registry

Primary practice location

5555 Grossmont Center Dr
La Mesa, CA 91942-3019

Mailing address

PO Box 509015
Dept 338
San Diego, CA 92150-9015

Other practice location 1

769 Medical Center Ct
Chula Vista, CA 91911-6602
Phone (619) 502-5851

Other practice location 2

7901 Frost St
San Diego, CA 92123-2701
Phone (858) 939-5010

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Feb 17, 2026.

{
    "created_epoch": "1149552000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771286400000",
    "number": "1790724565",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 509015",
            "address_2": "DEPT 338",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921509015"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5555 GROSSMONT CENTER DR",
            "city": "LA MESA",
            "state": "CA",
            "postal_code": "919423019",
            "telephone_number": "619-740-4500",
            "fax_number": "619-740-8499"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "769 Medical Center Ct",
            "address_purpose": "LOCATION",
            "city": "Chula Vista",
            "state": "CA",
            "postal_code": "919116602",
            "country_code": "US",
            "telephone_number": "619-502-5851",
            "fax_number": "619-502-5865",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7901 Frost St",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921232701",
            "country_code": "US",
            "telephone_number": "858-939-5010",
            "fax_number": "858-939-5021",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "X-RAY MEDICAL GROUP RADIATION ONCOLOGY INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-06-06",
        "last_updated": "2026-02-17",
        "certification_date": "2026-02-17",
        "status": "A",
        "authorized_official_last_name": "DEWITT",
        "authorized_official_first_name": "KELLY",
        "authorized_official_title_or_position": "AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "619-740-4500",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Radiology, Radiation Oncology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in La Mesa, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.