Brian Diep, MD

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

101 The City Dr S Ste 400
Orange, CA 92868-3201

Phone

(714) 456-5691

NPI assigned

Mar 23, 2026

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

Practice roles

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.

• The Regents of the University of California-Irvine

  • Hospitalist Physician
  • Orange, CA
  • NPI 1154479723
  NPD (past)

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

{
    "created_epoch": "1774224000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774224000000",
    "number": "1003754813",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1808 S GRANADA AVE",
            "city": "ALHAMBRA",
            "state": "CA",
            "postal_code": "918015522",
            "telephone_number": "626-991-6968"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S STE 400",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-5691"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIEP",
        "first_name": "BRIAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-03-23",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jerilyn Dickens
• Lesley Marie Dickerson
• Rashell Dickerson
• Jonathan T Dickey, DPT
• Maeve O'Reilly Diehm, MSW
• Raymond Hester Diep, MD
• Tomomi Dietmeier
• Sabrina Eve Diez
• Edenmarie Digerlando
• Christelle Susan Bender Diggis

• Student in an Organized Health Care Education/Training Program in Orange, CA
• Providers in Orange, CA by specialty
• Student in an Organized Health Care Education/Training Program in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 23, 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.