Active NPI
GRX Holdings LLC
- Community/Retail Pharmacy
- Greenfield, IA
National Provider Identifier
1912848516
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Community/Retail Pharmacy
- Legal business name
- GRX HOLDINGS LLC
- Practice address
- 202 SW Kent St Ste 1
Greenfield, IA 50849-1355 - Phone
- (641) 343-7015
- NPI assigned
- Apr 6, 2026
- Last updated
- Sep 9, 2026
- Organization subpart
- No
NPPES NPI Registry
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) | Code | License | State | Primary |
|---|---|---|---|---|
| Community/Retail Pharmacy | 3336C0003X | NU | Primary |
Addresses
Primary practice location
202 SW Kent St Ste 1
Greenfield, IA 50849-1355
Mailing address
202 SW Kent St Ste 1
Greenfield, IA 50849-1355
Phone (641) 343-7015
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1912848516 | Medicaid | IA |
National Provider Directory
National Provider Directory- Tax ID family
- GRX Holdings LLC
Other organizations with this tax ID 48
Organizations that report the same tax identification number in the National Provider Directory.
-
- Compounding Pharmacy
- Waterloo, IA
- NPI 1164363743
-
- Community/Retail Pharmacy
- Lenox, IA
- NPI 1235070830
-
- Community/Retail Pharmacy
- Coralville, IA
- NPI 1265373849
Practitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Pharmacist
- Greenfield, IA
- NPI 1659838035
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": "1912848516",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "202 SW KENT ST STE 1",
"city": "GREENFIELD",
"state": "IA",
"postal_code": "508491355",
"telephone_number": "641-343-7015"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "202 SW KENT ST STE 1",
"city": "GREENFIELD",
"state": "IA",
"postal_code": "508491355",
"telephone_number": "641-343-7015"
}
],
"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": "NU",
"license": null,
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1912848516",
"state": "IA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Greenfield, 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.