Individual provider Active NPI

Larisa Willden, FNP-C

  • Family Nurse Practitioner
  • Mesa, AZ
National Provider Identifier
1598616401
Registry record updated Feb 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
254108 Issued in AZ
Practice address
10503 E Simone Ave
Mesa, AZ 85212-9424
Phone
(623) 670-4378
NPI assigned
Feb 5, 2026
Last updated
Feb 5, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 254108 AZ Primary

Addresses

Primary practice location

10503 E Simone Ave
Mesa, AZ 85212-9424

Mailing address

10503 E Simone Ave
Mesa, AZ 85212-9424
Phone (623) 670-4378

Medicare participation

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

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

25956 W Sands Dr
Buckeye, AZ 85396-5451

PO Box
Belfast, ME 04915

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
254108AZMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Grand Canyon Family Medicine PC PastSince Nov 1, 2006 Accepting new patients
Foot Ankle Specialty Centers, LLC Past Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1770249600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770249600000",
    "number": "1598616401",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10503 E SIMONE AVE",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852129424",
            "telephone_number": "623-670-4378"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10503 E SIMONE AVE",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852129424",
            "telephone_number": "623-670-4378"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLDEN",
        "first_name": "LARISA",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-02-05",
        "last_updated": "2026-02-05",
        "certification_date": "2026-02-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AZ",
            "license": "254108",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mesa, AZ

Sources for this page

Verify at the official NPI Registry.