Individual provider Active NPI

Gianna Davis, RDN, LDN

  • Registered Dietitian
  • Mesa, AZ
National Provider Identifier
1669359659
Registry record updated Nov 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
License
86374781 Issued in AZ
Practice address
1705 W Main St
Mesa, AZ 85201-6920
Phone
(480) 964-2273
NPI assigned
Aug 20, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Dietitian 133V00000X 86374781 AZ Primary

Addresses

Primary practice location

1705 W Main St
Mesa, AZ 85201-6920

Mailing address

13400 E Shea Blvd
Scottsdale, AZ 85259-5499
Phone (480) 301-8000

Other practice location 1

13400 E Shea Blvd
Scottsdale, AZ 85259-5452
Phone (480) 301-8000

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address gdavis2580117@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251114001047 AZ Practitioner - Registered Dietitian Or Nutrition Professional 6002307394 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Registered Dietitian Or Nutrition Professional
Education
Other, 2025
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

3033 N Central Ave
Suite 145
Phoenix, AZ 85012-2808

4500 San Pablo Rd S
Jacksonville, FL 32224-1865

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
86374781AZMDRegistered Dietitian

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic Arizona CurrentSince Nov 3, 2025 Accepting new patients
Mayo Clinic Arizona CurrentSince Nov 3, 2025 Accepting new patients
Nourish, Inc. Dietitian, Registered Past Accepting new patients

Locations

13400 E Shea Blvd
Scottsdale, AZ 85259

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1755648000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762128000000",
    "number": "1669359659",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13400 E SHEA BLVD",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852595499",
            "telephone_number": "480-301-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1705 W MAIN ST",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852016920",
            "telephone_number": "480-964-2273"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13400 E Shea Blvd",
            "address_purpose": "LOCATION",
            "city": "Scottsdale",
            "state": "AZ",
            "postal_code": "852595452",
            "country_code": "US",
            "telephone_number": "480-301-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DAVIS",
        "first_name": "GIANNA",
        "credential": "RDN, LDN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-20",
        "last_updated": "2025-11-03",
        "certification_date": "2025-11-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "AZ",
            "license": "86374781",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gdavis2580117@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "13400 E Shea Blvd",
            "city": "Scottsdale",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "852595452",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Mesa, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 3, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.