Alexander Phillip Sung

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A187156 Issued in CA

Practice address

625 S Fair Oaks Ave Ste 280
Pasadena, CA 91105-2670

Phone

(626) 304-0070

NPI assigned

Mar 21, 2022

Last updated

Oct 1, 2025By 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 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

Internal Medicine

Education

University of Nevada School of Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The Regents of the University of CaliforniaGroup PAC ID 1355248584, 1,426 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ronald Reagan UCLA Medical Center Hospital, Los Angeles, CA, CCN 050262

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: asung1449930@direct.uclahealth.org

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.

• The Regents of the University of California

  dba UCLA Dept of Medicine

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1235107566
  Medicare reassignment Care Compare group NPD
• The Regents of the University of California

  dba UCLA Dept of Medicine

  • Ambulatory Surgical Clinic/Center
  • Valencia, CA
  • NPI 1689200305
  NPD
• UCLA Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1043427248
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Regents Univ of Calif Los Angeles

  dba Ronald Reagan UCLA Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1902803315
  Care Compare affiliation

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

{
    "created_epoch": "1647820800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759276800000",
    "number": "1255080891",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD",
            "address_2": "SUITE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900955631",
            "telephone_number": "310-301-8707"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "625 S FAIR OAKS AVE STE 280",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911052670",
            "telephone_number": "626-304-0070"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SUNG",
        "first_name": "ALEXANDER",
        "middle_name": "PHILLIP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-21",
        "last_updated": "2025-10-01",
        "certification_date": "2025-10-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A187156",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Louisa Lumin Sun
• Shivani Sundaram, MD
• Preetha Thottappillil Sundareswaran
• Zach Sundberg
• Ashok Sunder Raj, M.D.
• Allen Sung
• Jennifer Sung
• Sunlight Home Health, Inc.
• Sunny Life Home Health Care Inc
• Sunnyland Cbas

• Internal Medicine Physician in Pasadena, CA
• Providers in Pasadena, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 2025; 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.