Charlton Ong, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

A165489 Issued in CA

Practice address

1983 Marengo St
D&T 3D321
Los Angeles, CA 90033

Phone

(323) 409-7677

NPI assigned

Apr 4, 2018

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

Wright State University Boonshoft School of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Moran Rowen and Dorsey IncGroup PAC ID 9537063375, 35 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Mission Hospital Hospital, Mission Viejo, CA, CCN 050567
• Uci Health-Orange Hospital, Orange, CA, CCN 050348
• Hoag Memorial Hospital Presbyterian Hospital, Newport Beach, CA, CCN 050224

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Moran Rowen and Dorsey Inc

  • Diagnostic Radiology Physician
  • Orange, CA
  • NPI 1649263906
  Medicare reassignment Care Compare group NPD
• Usc Care Medical Group, Inc

  • General Practice Physician
  • Los Angeles, CA
  • NPI 1902846306

  Diagnostic Radiology

  Medicare reassignment NPD
• Usc Care Medical Group, Inc

  dba Fair Oaks Clinic

  • Durable Medical Equipment & Medical Supplies
  • Pasadena, CA
  • NPI 1427937390
  NPD

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

• Hoag Memorial Hospital Presbyterian

  • General Acute Care Hospital
  • Newport Beach, CA
  • NPI 1518951300
  Care Compare affiliation
• Mission Hospital Regional Medical Center

  dba Providence Mission Hospital

  • General Acute Care Hospital
  • Mission Viejo, CA
  • NPI 1912108002
  Care Compare affiliation
• Mission Hospital Regional Medical Center

  dba Mission Hospital

  • General Acute Care Hospital
  • Mission Viejo, CA
  • NPI 1992752315
  Care Compare affiliation
• University of California Irvine

  dba University of California Irvine - Cac Urgent Care

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1518739309

  Hospital

  Care Compare affiliation
• University of California Irvine

  dba Uci Health

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1689608150
  Care Compare affiliation

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

{
    "created_epoch": "1522800000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787702400000",
    "number": "1902302318",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1983 MARENGO ST",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900331370"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1983 MARENGO ST",
            "address_2": "D&T 3D321",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "90033",
            "telephone_number": "323-409-7677"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "28881 Airoso St Unit 110",
            "address_purpose": "LOCATION",
            "city": "Rancho Mission Viejo",
            "state": "CA",
            "postal_code": "926942487",
            "country_code": "US",
            "telephone_number": "949-682-2600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ONG",
        "first_name": "CHARLTON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-04",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A165489",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sheridan Nolan Godfrey Oneal, LCSW
• Spencer Oneil
• Laura Oneill
• Aitrinh Ong
• Andrew Ong, M.D.
• Cindy Ong
• Dave Ong
• Hilary Ong
• Jeffrey Ong, PT, DPT
• Joe Andrews Ong, NURSE PRACTITIONER

• Diagnostic Radiology Physician in Los Angeles, CA
• Providers in Los Angeles, 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 Aug 26, 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.