Individual provider Active NPI

Diane Miller Cortez, CNM, NP

  • Obstetrics & Gynecology Nurse Practitioner
  • Phoenix, AZ
National Provider Identifier
1922101278
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology Nurse PractitionerTaxonomy code 363LX0001X
License
RN034375 Issued in AZ
Practice address
4212 N. 16TH Street
Phoenix, AZ 85016-5319
Phone
(602) 263-1511
Fax
(602) 263-1637
NPI assigned
Sep 5, 2006
Last updated
Sep 11, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Nurse Practitioner 363LX0001X RN034375 AZ Primary
Advanced Practice Midwife 367A00000X RN034375 AZ

Addresses

Primary practice location

4212 N. 16TH Street
Phoenix, AZ 85016-5319

Mailing address

PO Box 31001-0698
Pasadena, CA 91110-0698
Phone (602) 263-1511

Other identifiers 2

IdentifierTypeStateIssuer
AZ0145560OtherAZBCBS
756918MedicaidAZ

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Nurse Midwife, Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
AP0206AZMDNurse Practitioner
RN034375AZMDAdvanced Practice Midwife

Interoperability endpoints

  • Direct secure messaging: dcortez24399@direct.valleywisehealth.org

NPI Registry JSON

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

{
    "created_epoch": "1157414400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1922101278",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31001-0698",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911100698",
            "telephone_number": "602-263-1511",
            "fax_number": "602-263-1637"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4212 N. 16TH STREET",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850165319",
            "telephone_number": "602-263-1511",
            "fax_number": "602-263-1637"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CORTEZ",
        "first_name": "DIANE",
        "middle_name": "MILLER",
        "name_prefix": "Mrs.",
        "credential": "CNM, NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-05",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LX0001X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Obstetrics & Gynecology",
            "state": "AZ",
            "license": "RN034375",
            "primary": true
        },
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "AZ",
            "license": "RN034375",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "AZ0145560",
            "state": "AZ"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "756918",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Phoenix, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.