Mason Hieu Phan

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

A182123 Issued in CA

Practice address

11234 Anderson Street
Westerly C
Loma Linda, CA 92354

Phone

(909) 558-4000

NPI assigned

Mar 29, 2021

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Diagnostic Radiology

Education

Georgetown University School of Medicine, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• UC Regents

  • Diagnostic Radiology Physician
  • Orange, CA
  • NPI 1346298528
  Medicare reassignment

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

{
    "created_epoch": "1616976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770768000000",
    "number": "1639757032",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11234 ANDERSON STREET",
            "address_2": "GME OFFICE WESTERLY SUITE C",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923542804",
            "telephone_number": "909-558-7814"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11234 ANDERSON STREET",
            "address_2": "WESTERLY C",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "92354",
            "telephone_number": "909-558-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4445 Magnolia Ave",
            "address_purpose": "LOCATION",
            "city": "Riverside",
            "state": "CA",
            "postal_code": "925014135",
            "country_code": "US",
            "telephone_number": "951-788-3274",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "101 The City Dr S",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928683201",
            "country_code": "US",
            "telephone_number": "714-456-8888",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PHAN",
        "first_name": "MASON",
        "middle_name": "HIEU",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-29",
        "last_updated": "2026-02-11",
        "certification_date": "2026-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A182123",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nguyen Vo Bao Pham, MD
• Thy Van Ha Pham, M.D.
• Van Pham
• Van Cong Pham, PHARM. D.
• Amanda Quynh Phan
• Minh Anh Phan, STUDENT
• Thy Anh Phan, PHARMACIST
• Prashant Vasant Phatak, M.D.
• Jessica Marie Phillips, DO
• Joshua Phillips

• Diagnostic Radiology Physician in Loma Linda, CA
• Providers in Loma Linda, CA by specialty
• Diagnostic Radiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.