NPIMap

Organization Active NPI

GRX Holdings LLC

  • Community/Retail Pharmacy
  • Marshalltown, IA
National Provider Identifier
1740121334
Registry record updated Sep 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Community/Retail PharmacyTaxonomy code 3336C0003X
Legal business name
GRX HOLDINGS LLC
Practice address
421 E Merle Hibbs Blvd
Marshalltown, IA 50158-4758
Phone
(641) 752-4115
NPI assigned
Apr 6, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 9, 2026

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

Authorized official

Name
Michael Fuller
Title
President
Phone
(515) 321-7644

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Community/Retail Pharmacy 3336C0003X Primary

Addresses

Primary practice location

421 E Merle Hibbs Blvd
Marshalltown, IA 50158-4758

Mailing address

421 E Merle Hibbs Blvd
Marshalltown, IA 50158-4758
Phone (641) 752-4115

Other identifiers 1

IdentifierTypeStateIssuer
1740121334MedicaidIA

National Provider Directory

National Provider Directory
Tax ID family
GRX Holdings LLC49 organizations share this tax ID, including this one

Other organizations with this tax ID 48

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

View all 48

NPI Registry JSON

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

{
    "created_epoch": "1775433600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788912000000",
    "number": "1740121334",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "421 E MERLE HIBBS BLVD",
            "city": "MARSHALLTOWN",
            "state": "IA",
            "postal_code": "501584758",
            "telephone_number": "641-752-4115"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "421 E MERLE HIBBS BLVD",
            "city": "MARSHALLTOWN",
            "state": "IA",
            "postal_code": "501584758",
            "telephone_number": "641-752-4115"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GRX HOLDINGS LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-04-06",
        "last_updated": "2026-09-09",
        "certification_date": "2026-09-09",
        "status": "A",
        "authorized_official_last_name": "FULLER",
        "authorized_official_first_name": "MICHAEL",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "515-321-7644"
    },
    "taxonomies": [
        {
            "code": "3336C0003X",
            "taxonomy_group": "",
            "desc": "Pharmacy, Community/Retail Pharmacy",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1740121334",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Marshalltown, IA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 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.