Organization Active NPI

Internal Medicine Medical Group

  • Endocrinology, Diabetes & Metabolism Physician
  • Pomona, CA
National Provider Identifier
1114120417
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
Legal business name
INTERNAL MEDICINE MEDICAL GROUP
Practice address
1904 N Orange Grove Avenue
Internal Medicine Medical Group
Pomona, CA 91767-3008
Phone
(909) 469-1823
Fax
(909) 469-1827
NPI assigned
Jun 6, 2007
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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207R00000X
Endocrinology, Diabetes & Metabolism PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RE0101X Primary

Addresses

Primary practice location

1904 N Orange Grove Avenue
Internal Medicine Medical Group
Pomona, CA 91767-3008

Mailing address

840 Towne Center Drive
Internal Medicine Medical Group
Pomona, CA 91767-5900
Phone (909) 398-1550

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": "1114120417",
    "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": "909-398-1550",
            "fax_number": "909-398-1573"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1904 N ORANGE GROVE AVENUE",
            "address_2": "INTERNAL MEDICINE MEDICAL GROUP",
            "city": "POMONA",
            "state": "CA",
            "postal_code": "917673008",
            "telephone_number": "909-469-1823",
            "fax_number": "909-469-1827"
        }
    ],
    "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": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Pomona, 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.