Ronald E Diaz, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

AP3518 Issued in AZ

Practice address

2940 S 6TH Ave
Tucson, AZ 85713-4705

Phone

(520) 613-1001

Fax

(520) 504-6483

NPI assigned

Dec 15, 2008

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 2

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

Merit-based Incentive Payment System (MIPS)

Final score

93.34 of 100Reported as apm

Quality

74.56

Promoting interoperability

99

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rdiaz20494@elrio.direct.ci.com
• Direct secure messaging: ronald.diaz.1@1576.direct.athenahealth.com

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

• Archwell Health Professional Services of Arizona, LLC

  • Internal Medicine Physician
  • Mesa, AZ
  • NPI 1558026880
  Medicare reassignment NPD
• Northwest Allied Physicians LLC

  • General Practice Physician
  • Tucson, AZ
  • NPI 1003833179
  Medicare reassignment
• Marana Health Center, Inc

  • Clinic Pharmacy
  • Tucson, AZ
  • NPI 1073072450
  NPD (past)

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

{
    "created_epoch": "1229299200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749168000000",
    "number": "1124263561",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "102 WOODMONT BLVD STE 600",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372055250",
            "telephone_number": "888-987-1151"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2940 S 6TH AVE",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857134705",
            "telephone_number": "520-613-1001",
            "fax_number": "520-504-6483"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7890 N Cortaro Rd",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857438326",
            "country_code": "US",
            "telephone_number": "520-202-7770",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "RONALD",
        "middle_name": "E",
        "credential": "FNP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-12-15",
        "last_updated": "2025-06-06",
        "certification_date": "2025-06-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "AZ",
            "license": "RN119389",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AZ",
            "license": "AP3518",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "483140",
            "state": "AZ"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ronald.diaz.1@1576.direct.athenahealth.com",
            "affiliation": "N",
            "endpointDescription": "AMR Direct Address",
            "address_1": "7890 N Cortaro Rd",
            "city": "Tucson",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "857438326",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ronald.diaz@nwhc.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "AMR direct address",
            "address_1": "7890 N Cortaro Rd",
            "city": "Tucson",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "857438326",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Melissa Andrea Diaz, PHARMD
• Oscar Diaz, PHARMD
• Priscilla Maria Diaz, RRT
• Rainier J Diaz, M.D.
• Rebecca Diaz, FNP
• Sara Diaz, LPC
• Saul Diaz, PHARMACY TECHNICIAN
• Michelle Dicamillo, MS CCC-SLP
• Andrew Dicenso
• Ann Rose Dichov, R.N.

• Family Nurse Practitioner in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Family Nurse Practitioner in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 6, 2025; 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.