Individual provider Active NPI

Ariel Lok Yen Leung, MD

  • Allergy & Immunology (Internal Medicine) Physician
  • Chandler, AZ
National Provider Identifier
1366061129
Registry record updated Oct 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Allergy & Immunology (Internal Medicine) PhysicianTaxonomy code 207RA0201X
License
77516 Issued in AZ
Practice address
705 S Dobson Rd
Chandler, AZ 85224-5657
Phone
(480) 897-6992
Fax
(480) 839-1874
NPI assigned
Apr 13, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 24, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Allergy & Immunology (Internal Medicine) Physician 207RA0201X 77516 AZ Primary

Addresses

Primary practice location

705 S Dobson Rd
Chandler, AZ 85224-5657

Mailing address

705 S Dobson Rd
Chandler, AZ 85224-5657
Phone (480) 897-6992

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
I20250825002729 AZ Practitioner - Allergy/ImmunologyPractitioner - Internal Medicine 1759740830 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Allergy/ImmunologyAlso: Internal Medicine
Education
George Washington University School of Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Arizona Allergy Asthma and Immunology Consultants PLCGroup PAC ID 6002879194, 11 clinicians

Practice addresses (Care Compare)

705 S Dobson Rd
Chandler, AZ 85224-5657
Phone (480) 897-6992

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
77516AZMDAllergy & Immunology (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Arizona Allergy Asthma & Immunology Consultants PLC Allergy & Immunology CurrentSince Jul 25, 2025 Accepting new patients
Valley Allergy PLLC Allergy & Immunology PastSince Nov 15, 2024 Accepting new patients

Locations

705 S Dobson Rd
Chandler, AZ 85224
Phone (480) 897-6992

4852 E Baseline Rd
Ste 101
Mesa, AZ 85206
Phone (480) 346-4680

4852 E Baseline Rd
Mesa, AZ 85206
Phone (480) 834-7000

348 E Virginia Ave
Phoenix, AZ 85004
Phone (480) 702-2020

36245 N Gantzel Rd
Bldg 6
San Tan Valley, AZ 85140
Phone (480) 897-6992

8140 E Cactus Rd
Ste 710
Scottsdale, AZ 85260
Phone (480) 344-4460

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1586736000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1366061129",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "705 S DOBSON RD",
            "city": "CHANDLER",
            "state": "AZ",
            "postal_code": "852245657",
            "telephone_number": "480-897-6992",
            "fax_number": "480-839-1874"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "705 S DOBSON RD",
            "city": "CHANDLER",
            "state": "AZ",
            "postal_code": "852245657",
            "telephone_number": "480-897-6992",
            "fax_number": "480-839-1874"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEUNG",
        "first_name": "ARIEL",
        "middle_name": "LOK YEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-13",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RA0201X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Allergy & Immunology",
            "state": "AZ",
            "license": "77516",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chandler, AZ

Sources for this page

Verify at the official NPI Registry.