Organization Active NPI

Esi Mail Pharmacy Service Inc

  • Mail Order Pharmacy
  • Tempe, AZ
National Provider Identifier
1649352006
Registry record updated Dec 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mail Order PharmacyTaxonomy code 3336M0002X
License
Y03708 Issued in AZ
Legal business name
ESI MAIL PHARMACY SERVICE INC
Practice address
7909 S Hardy Dr
Suite 106
Tempe, AZ 85284-1112
Phone
(800) 955-1171
Fax
(480) 403-6372
NPI assigned
Oct 19, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 5, 2025

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

Authorized official

Name
Susan Peppers
Title
Asst. Secretary
Phone
(513) 858-4916

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mail Order Pharmacy 3336M0002X Y03708 AZ Primary

Addresses

Primary practice location

7909 S Hardy Dr
Suite 106
Tempe, AZ 85284-1112

Mailing address

7909 S Hardy Dr
Suite 106
Tempe, AZ 85284-1112

Other identifiers 2

IdentifierTypeStateIssuer
0327317OtherOTHER ID NUMBER-COMMERCIAL NUMBER
840399MedicaidAZ

Other names 1

  • EXPRESS SCRIPTS Doing business as

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20230906003910 AZ Part B Supplier - Pharmacy 5193189322 Practice locations: Tempe, AZ

Other NPIs with the same Medicare PAC ID 1

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

National Provider Directory

National Provider Directory
Tax ID family
Esi Mail Pharmacy Service Inc6 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.

Locations

7909 S Hardy Dr
Ste 106
Tempe, AZ 85284
Phone (480) 281-8859

Practitioners & affiliated clinicians

Practitioners 2

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

NPI Registry JSON

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

{
    "created_epoch": "1161216000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1764892800000",
    "number": "1649352006",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7909 S HARDY DR",
            "address_2": "SUITE 106",
            "city": "TEMPE",
            "state": "AZ",
            "postal_code": "852841112"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7909 S HARDY DR",
            "address_2": "SUITE 106",
            "city": "TEMPE",
            "state": "AZ",
            "postal_code": "852841112",
            "telephone_number": "800-955-1171",
            "fax_number": "480-403-6372"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ESI MAIL PHARMACY SERVICE INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-10-19",
        "last_updated": "2025-12-05",
        "certification_date": "2025-12-05",
        "status": "A",
        "authorized_official_last_name": "PEPPERS",
        "authorized_official_first_name": "SUSAN",
        "authorized_official_title_or_position": "ASST. SECRETARY",
        "authorized_official_telephone_number": "513-858-4916"
    },
    "taxonomies": [
        {
            "code": "3336M0002X",
            "taxonomy_group": "",
            "desc": "Pharmacy, Mail Order Pharmacy",
            "state": "AZ",
            "license": "Y03708",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OTHER ID NUMBER-COMMERCIAL NUMBER",
            "identifier": "0327317",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "840399",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "EXPRESS SCRIPTS",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "EXPRESS SCRIPTS",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Tempe, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 5, 2025; 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.