Individual provider Active NPI

Gary Smithson, DO

  • Family Medicine Physician
  • San Tan Valley, AZ
National Provider Identifier
1891483731
Registry record updated May 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
011342 Issued in AZ
Practice address
36543 N Gantzel Rd Ste 102
San Tan Valley, AZ 85140-7347
Phone
(480) 401-1811
NPI assigned
Apr 27, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 12, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 011342 AZ Primary

Addresses

Primary practice location

36543 N Gantzel Rd Ste 102
San Tan Valley, AZ 85140-7347

Mailing address

2090 E Linda LN
Gilbert, AZ 85234-6210
Phone (480) 737-8510

Medicare participation

Medicare enrollment files
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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20241220001061 AZ Practitioner - Family Practice 4284161894 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Access Wellness ResourcesGroup PAC ID 6002296506, 37 clinicians

Practice addresses (Care Compare)

4545 E Southern Ave
Suite 103
Mesa, AZ 85206-2677
Phone (480) 981-6100

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10
Removal or shaving of skin growth1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
011342AZMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Access Wellness Resources Family Medicine CurrentSince Nov 1, 2024 Accepting new patients

Locations

7400 S Power Rd
Ste 140
Gilbert, AZ 85297
Phone (480) 590-1442

4545 E Southern Ave
Ste 103
Mesa, AZ 85206
Phone (480) 827-9945

36543 N Gantzel Rd
Ste 102
San Tan Valley, AZ 85140
Phone (480) 401-1811

3501 N Scottsdale Rd
Ste 231
Scottsdale, AZ 85251
Phone (480) 945-3873

2340 E Trinity Mills Rd
Ste 250
Carrollton, TX 75006
Phone (214) 649-4686

Interoperability endpoints

  • Direct secure messaging: gary.smithson.1@32866.direct.athenahealth.com
  • FHIR API: https://api.platform.athenahealth.com/27041/brand/1/csg/1/fhir/r4
  • Direct secure messaging: gary.smithson.1@27041.direct.athenahealth.com

Organizations & group practices 1

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": "1682553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778544000000",
    "number": "1891483731",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2090 E LINDA LN",
            "city": "GILBERT",
            "state": "AZ",
            "postal_code": "852346210",
            "telephone_number": "480-737-8510"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "36543 N GANTZEL RD STE 102",
            "city": "SAN TAN VALLEY",
            "state": "AZ",
            "postal_code": "851407347",
            "telephone_number": "480-401-1811"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SMITHSON",
        "first_name": "GARY",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-04-27",
        "last_updated": "2026-05-12",
        "certification_date": "2026-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "AZ",
            "license": "011342",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Tan Valley, AZ

Sources for this page

Verify at the official NPI Registry.