Matthew Nguyen, M.D.

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

A209721 Issued in CA

Practice address

127 S San Vicente Blvd FL 7
Los Angeles, CA 90048-3311

Phone

(310) 423-8030

Fax

(310) 659-3928

NPI assigned

May 21, 2019

Last updated

Oct 16, 2026By the provider in NPPES

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 PA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: matthew.n.nguyen@upmcdirect.com

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.

• St Clair Professional Services Inc

  dba St. Clair Medical Group Hospital Medicine

  • Internal Medicine Physician
  • Pittsburgh, PA
  • NPI 1427270594
  Medicare reassignment NPD
• St Clair Professional Services Inc

  dba St. Clair Medical Group Radiology

  • Radiology Clinic/Center
  • Pittsburgh, PA
  • NPI 1366332934
  NPD
• St Clair Professional Services Inc

  dba St. Clair Medical Group Pediatrics

  • Pediatrics Physician
  • Pittsburgh, PA
  • NPI 1922772656
  NPD

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

{
    "created_epoch": "1558396800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792108800000",
    "number": "1669039079",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4140 W 190TH ST",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905045513"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "127 S SAN VICENTE BLVD FL 7",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900483311",
            "telephone_number": "310-423-8030",
            "fax_number": "310-659-3928"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8700 Beverly Blvd",
            "address_purpose": "LOCATION",
            "city": "West Hollywood",
            "state": "CA",
            "postal_code": "900481804",
            "country_code": "US",
            "telephone_number": "310-423-8030",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "MATTHEW",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-05-21",
        "last_updated": "2026-10-16",
        "certification_date": "2026-10-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "CA",
            "license": "A209721",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marie-Christine Nguyen, RPH
• Martin Nguyen
• Mary Nguyen, CASE MANAGER
• Mary Hoang Nguyen, PHARMD
• Matthew Nguyen
• Matthew Duy Nguyen, MD MBA
• Matthew Que Nguyen, DDS
• Michael Nguyen, OD
• Michael John Nguyen, MD
• Michael Tony Nguyen, DO

• Medical Oncology Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Medical Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 16, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.