Individual provider Active NPI

Diana M Bui, M.D.

  • Emergency Medicine Physician
  • Phoenix, AZ
National Provider Identifier
1003890872
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
34060 Issued in AZ
Practice address
5777 E Mayo Blvd
Phoenix, AZ 85054-4502
Phone
(480) 301-8000
NPI assigned
Dec 5, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 34060 AZ Primary

Addresses

Primary practice location

5777 E Mayo Blvd
Phoenix, AZ 85054-4502

Mailing address

5777 E Mayo Blvd
Phoenix, AZ 85054-4502
Phone (480) 301-8000

Other identifiers 3

IdentifierTypeStateIssuer
86080015085259D012OtherAZTRIWEST
945280MedicaidAZ
P00229610OtherAZRR MEDICARE

Medicare participation

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

National Provider Directory

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

NPI Registry JSON

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

{
    "created_epoch": "1133740800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1003890872",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5777 E MAYO BLVD",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850544502",
            "telephone_number": "480-301-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5777 E MAYO BLVD",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850544502",
            "telephone_number": "480-301-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BUI",
        "first_name": "DIANA",
        "middle_name": "M",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-12-05",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AZ",
            "license": "34060",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRIWEST",
            "identifier": "86080015085259D012",
            "state": "AZ"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "945280",
            "state": "AZ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "P00229610",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Phoenix, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.