NPIMap

Organization Active NPI

Ies Arizona PLLC

  • Emergency Medicine Physician
  • Tucson, AZ
National Provider Identifier
1821752213
Registry record updated Aug 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
Legal business name
IES ARIZONA PLLC
Practice address
5301 E Grant Rd
Tucson, AZ 85712-2805
Phone
(520) 327-5461
NPI assigned
Oct 22, 2021
Last updated
Aug 12, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 12, 2025

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

Authorized official

Name
Nestor ZenarosaNPI 1629096375
Title
Authorized Official
Phone
(469) 420-5544

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X NU Primary

Addresses

Primary practice location

5301 E Grant Rd
Tucson, AZ 85712-2805

Mailing address

PO Box 743801
Los Angeles, CA 90074-3801

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20220310001059 AZ Part B Supplier - Clinic/Group Practice 7810382884 Receives reassigned benefits from 154 practitioners
Practice locations: Tucson, AZ

National Provider Directory

National Provider Directory

Locations

4835 Lyndon B Johnson Fwy
Ste 900
Dallas, TX 75244
Phone (469) 340-1366

Practitioners & affiliated clinicians

Practitioners 156

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.

View all 156

NPI Registry JSON

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

{
    "created_epoch": "1634860800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1754956800000",
    "number": "1821752213",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 743801",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900743801"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5301 E GRANT RD",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857122805",
            "telephone_number": "520-327-5461"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "IES ARIZONA PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-10-22",
        "last_updated": "2025-08-12",
        "certification_date": "2025-08-12",
        "status": "A",
        "authorized_official_last_name": "ZENAROSA",
        "authorized_official_first_name": "NESTOR",
        "authorized_official_title_or_position": "AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "469-420-5544"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tucson, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 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.