Individual provider Active NPI

Michael Wesley Bui, MD

  • Diagnostic Radiology Physician
  • Riverside, CA
National Provider Identifier
1306423405
Registry record updated Jun 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
A206754 Issued in CA
Practice address
4445 Magnolia Ave
Riverside, CA 92501-4135
Phone
(949) 903-6802
NPI assigned
Mar 25, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 2, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X A206754 CA Primary

Addresses

Primary practice location

4445 Magnolia Ave
Riverside, CA 92501-4135

Mailing address

File 57326
Los Angeles, CA 90074-0001

Other practice location 1

9400 Campus Point Dr
LA Jolla, CA 92093-1350
Phone (800) 926-8273

Other practice location 2

330 Lewis St
San Diego, CA 92103-2108
Phone (800) 926-8273

Other practice location 3

200 W Arbor Dr
San Diego, CA 92103-9000
Phone (800) 926-8273

Other practice location 4

9300 Campus Point Dr
LA Jolla, CA 92037-1300
Phone (800) 926-8273

Other practice location 5

6655 Alvarado Rd
San Diego, CA 92120-5208
Phone (800) 926-8273

Other practice location 6

1415 Ross Ave
El Centro, CA 92243-4306
Phone (800) 926-8273

Other practice location 7

4250 1st Ave
San Diego, CA 92103-2026
Phone (800) 926-8273

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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
I20260617001122 CA Practitioner - Diagnostic Radiology 5991277394 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 2021
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

File
Los Angeles, CA 90074

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A206754CAMDDiagnostic Radiology Physician

Interoperability endpoints

  • Direct secure messaging: mbui1092439@direct.hfhs.org

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1616630400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780358400000",
    "number": "1306423405",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "FILE 57326",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900740001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4445 MAGNOLIA AVE",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925014135",
            "telephone_number": "949-903-6802"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9400 Campus Point Dr",
            "address_purpose": "LOCATION",
            "city": "LA Jolla",
            "state": "CA",
            "postal_code": "920931350",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "330 Lewis St",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921032108",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 W Arbor Dr",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921039000",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9300 Campus Point Dr",
            "address_purpose": "LOCATION",
            "city": "LA Jolla",
            "state": "CA",
            "postal_code": "920371300",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6655 Alvarado Rd",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921205208",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1415 Ross Ave",
            "address_purpose": "LOCATION",
            "city": "El Centro",
            "state": "CA",
            "postal_code": "922434306",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4250 1st Ave",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921032026",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BUI",
        "first_name": "MICHAEL",
        "middle_name": "WESLEY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-25",
        "last_updated": "2026-06-02",
        "certification_date": "2026-06-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A206754",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Riverside, CA

Sources for this page

Verify at the official NPI Registry.