Calen Lemay Harding, PA-C

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

License

8090 Issued in AZ

Practice address

5301 E Grant Rd
Tucson, AZ 85712-2805

Phone

(520) 324-1922

NPI assigned

Apr 10, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in AZ

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

El Rio Santa Cruz Neighborhood Health Center, Inc.Group PAC ID 6305739244, 283 clinicians

Connections Southernaz, LLCGroup PAC ID 2769874197, 25 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwest Medical Center Sahuarita Hospital, Sahuarita, AZ, CCN 030148
• Northwest Medical Center Hospital, Tucson, AZ, CCN 030085

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Interoperability endpoints

• Direct secure messaging: calen.harding@mmconnections.contexture.medalliesmail.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Connections Southernaz, LLC

  dba CRC-Outpatient Services

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Tucson, AZ
  • NPI 1982362943
  Medicare reassignment Care Compare group
• El Rio Santa Cruz Neighborhood Health Center, Inc

  dba El Rio Community Health Center

  • Federally Qualified Health Center (FQHC)
  • Tucson, AZ
  • NPI 1487602736
  Medicare reassignment Care Compare group
• B & B Surgical Assistance PLLC

  • Specialist
  • Phoenix, AZ
  • NPI 1811290174
  Medicare reassignment
• Ies Arizona PLLC

  • Emergency Medicine Physician
  • Tucson, AZ
  • NPI 1821752213
  Medicare reassignment
• Ies Obs Arizona PLLC

  • Emergency Medicine Physician
  • Tucson, AZ
  • NPI 1356006670
  Medicare reassignment
• Tec Emergency Physicians of Arizona, LLC

  • Emergency Care Clinic/Center
  • Gilbert, AZ
  • NPI 1245772870
  Medicare reassignment

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Northwest Hospital LLC

  dba Northwest Medical Center

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1487607784
  Care Compare affiliation
• Northwest Sahuarita Hospital LLC

  dba Northwest Medical Center Sahuarita

  • General Acute Care Hospital
  • Sahuarita, AZ
  • NPI 1851927669
  Care Compare affiliation

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

{
    "created_epoch": "1586476800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775433600000",
    "number": "1447879317",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "839 W CONGRESS ST",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857452819",
            "telephone_number": "520-670-3909",
            "fax_number": "520-309-2560"
        },
        {
            "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": "520-324-1922"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2802 E District St",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857142081",
            "country_code": "US",
            "telephone_number": "520-301-2400",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6950 E Golf Links Rd",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857301017",
            "country_code": "US",
            "telephone_number": "520-670-3909",
            "fax_number": "520-309-2560",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HARDING",
        "first_name": "CALEN",
        "middle_name": "LEMAY",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-10",
        "last_updated": "2026-04-06",
        "certification_date": "2026-04-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "AZ",
            "license": "8090",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WA",
            "license": "PA61233450",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "WA",
            "license": "PA61233450",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "AZ",
            "license": "8090",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2271160",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Julia Hardeman, M.D.
• Sydney Harden
• Colette Reon Hardesty-Tesar X, LCSW
• Cleo Hardin, MD
• Elizabeth K N Hardin, PH.D.
• Jessica Fraley Harding, MSW
• Christian Rene Hardoy, MD
• Caleb Hardt
• Karen L Hardy-Myers, RDH
• Albert J Hardy, RPH

• Medical Physician Assistant in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Medical Physician Assistant in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.