Function First Psychiatry

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

Legal business name

FUNCTION FIRST PSYCHIATRY

Practice address

2550 W North Foothills Dr Unit 122
Phoenix, AZ 85085-0172

Phone

(480) 600-8472

NPI assigned

Aug 22, 2024

Organization subpart

No

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

Authorized official

Name

Ms. April R Ellis, PMHNP-BC

Title

Partner

Phone

(480) 600-8472

Specialties & licenses 1

Addresses

Practitioners 1

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

• April Keller, NURSE PRACTITIONER

  • Nurse Practitioner
  • Scottsdale, AZ
  • NPI 1285224477

  Single Specialty

  NPD

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

{
    "created_epoch": "1724284800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788998400000",
    "number": "1083447338",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2550 W NORTH FOOTHILLS DR UNIT 122",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850850172",
            "telephone_number": "480-600-8472"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2550 W NORTH FOOTHILLS DR UNIT 122",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850850172",
            "telephone_number": "480-600-8472"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "FUNCTION FIRST PSYCHIATRY",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-08-22",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A",
        "authorized_official_last_name": "ELLIS",
        "authorized_official_first_name": "APRIL",
        "authorized_official_middle_name": "R",
        "authorized_official_title_or_position": "PARTNER",
        "authorized_official_telephone_number": "480-600-8472",
        "authorized_official_name_prefix": "Ms.",
        "authorized_official_credential": "PMHNP-BC"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Misty Marie Fullerton, D.C.
• Jonathan Daniel Fullner, M.D.
• Shane Amour Fulton, CNA , MD
• Latricia Funches, RN
• Yvonne Maria Funcke, MD
• Functional Futures, LLC
• Functional Health Systems S.C.
• Functional Investments, PLLC
• Functional Medicine Center of Arizona
• Isabel Marie Kaylin Funderburgh

• All providers in Phoenix, AZ
• Psychiatry Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 2026; 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.