NPIMap

Organization Active NPI

Internal Medicine Medical Group

  • Family Medicine Physician
  • Rancho Cucamonga, CA
National Provider Identifier
1144423468
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
Legal business name
INTERNAL MEDICINE MEDICAL GROUP
Practice address
10837 Laurel Avenue
Internal Medicine Medical Group Suite 104
Rancho Cucamonga, CA 91730-7643
Phone
(909) 581-6732
Fax
(909) 581-6737
NPI assigned
Jun 6, 2007
Last updated
Sep 11, 2025By the provider in NPPES
Organization subpart
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

Authorized official

Name
Mrs. Adrienne Marie Walker
Title
Contracts Manager
Phone
(909) 398-1550

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X NU Primary
Internal Medicine Physician 207R00000X NU
Endocrinology, Diabetes & Metabolism Physician 207RE0101X NU

Addresses

Primary practice location

10837 Laurel Avenue
Internal Medicine Medical Group Suite 104
Rancho Cucamonga, CA 91730-7643

Mailing address

840 Towne Center Drive
Internal Medicine Medical Group
Pomona, CA 91767-5900
Phone (909) 398-1500

National Provider Directory

National Provider Directory
Tax ID family
Internal Medicine Medical Group6 organizations share this tax ID, including this one

Other organizations with this tax ID 5

Organizations that report the same tax identification number in the National Provider Directory.

NPI Registry JSON

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

{
    "created_epoch": "1181088000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1144423468",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "840 TOWNE CENTER DRIVE",
            "address_2": "INTERNAL MEDICINE MEDICAL GROUP",
            "city": "POMONA",
            "state": "CA",
            "postal_code": "917675900",
            "telephone_number": "909-398-1500",
            "fax_number": "909-398-1573"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10837 LAUREL AVENUE",
            "address_2": "INTERNAL MEDICINE MEDICAL GROUP SUITE 104",
            "city": "RANCHO CUCAMONGA",
            "state": "CA",
            "postal_code": "917307643",
            "telephone_number": "909-581-6732",
            "fax_number": "909-581-6737"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "INTERNAL MEDICINE MEDICAL GROUP",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-06-06",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "WALKER",
        "authorized_official_first_name": "ADRIENNE",
        "authorized_official_middle_name": "MARIE",
        "authorized_official_title_or_position": "CONTRACTS MANAGER",
        "authorized_official_telephone_number": "909-398-1550",
        "authorized_official_name_prefix": "Mrs."
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rancho Cucamonga, 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.