Lia Ilona Losonczy

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

MD046299 Issued in DC

Practice address

900 23Rd St NW
Washington, DC 20037-2342

Phone

(202) 741-2911

Fax

(202) 741-2921

NPI assigned

Apr 26, 2010

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, MD, TX, DC4 enrollments

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 4

Specialty

Emergency Medicine

Education

Johns Hopkins University School of Medicine, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Alameda Health SystemGroup PAC ID 3779494521, 597 clinicians

Medical Faculty Associates, IncGroup PAC ID 4082528898, 676 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Alameda Hospital Hospital, Alameda, CA, CCN 050211
• George Washington Univ Hospital Hospital, Washington, DC, CCN 090001
• Highland Hospital Hospital, Oakland, CA, CCN 050320

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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 and National Provider Directory roles.

• Medical Faculty Associates, Inc

  • Anesthesiology Physician
  • Washington, DC
  • NPI 1417990581

  Emergency Medicine

  Medicare reassignment Care Compare group NPD
• Alameda Health System

  • Surgery Physician
  • Oakland, CA
  • NPI 1740332931
  Medicare reassignment Care Compare group NPD
• DHHS, PHS, Naihs, Shiprock Hospital

  • General Acute Care Hospital
  • Shiprock, NM
  • NPI 1780639971

  TX

  Medicare reassignment NPD
• Fair Oaks Emergency Physicians, PLLC

  • Emergency Medical Services (Emergency Medicine) Physician
  • Fairfax, VA
  • NPI 1649203605

  DC

  Medicare reassignment NPD
• Medstar Medical Group II LLC

  • General Practice Physician
  • Baltimore, MD
  • NPI 1184046187

  DC

  Medicare reassignment NPD
• Solano Gateway Medical Group Inc

  • Emergency Medicine Physician
  • Fairfield, CA
  • NPI 1952344293
  Medicare reassignment NPD
• Medstar Medical Group II LLC

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1376887844
  NPD
• Medstar Medical Group II LLC

  • Hospitalist Physician
  • Washington, DC
  • NPI 1770198301
  NPD
• Alameda Health System

  • Federally Qualified Health Center (FQHC)
  • Newark, CA
  • NPI 1497956288
  NPD
• Alameda Health System

  • Federally Qualified Health Center (FQHC)
  • San Leandro, CA
  • NPI 1558749440
  NPD
• DHHS, PHS, Naihs, Shiprock Hospital

  • General Acute Care Hospital
  • Teecnospos, AZ
  • NPI 1477615789
  NPD
• Alameda Health System

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1083815872
  NPD (past)

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

• District Hospital Partners L P

  • General Acute Care Hospital
  • Washington, DC
  • NPI 1487640207
  Care Compare affiliation
• Alameda Health System

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1083815872
  Care Compare affiliation
• Alameda Health System

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1396764353
  Care Compare affiliation
• Alameda Health System

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1700087590
  Care Compare affiliation
• Alameda Health System

  • General Acute Care Hospital
  • Alameda, CA
  • NPI 1831529049
  Care Compare affiliation

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

{
    "created_epoch": "1272240000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751328000000",
    "number": "1598082828",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "THE JOHNS HOPKINS HOSPITAL 600 NORTH WOLF ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870005",
            "telephone_number": "410-955-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 23RD ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200372342",
            "telephone_number": "202-741-2911",
            "fax_number": "202-741-2921"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "The Johns Hopkins Hospital 600 North Wolf St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212870005",
            "country_code": "US",
            "telephone_number": "410-955-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LOSONCZY",
        "first_name": "LIA",
        "middle_name": "ILONA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-04-26",
        "last_updated": "2025-07-01",
        "certification_date": "2025-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "A130352",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "DC",
            "license": "MD046299",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "130352",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "DC",
            "license": "MD046299",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Laura Lorenzen, MSW
• Lori Day, PHD, LLC
• Patricia Loria, PA-C
• Thavorn Lorungrochana, M.D.
• John Lawrence Losee, M.D.
• Pamela Susan Lotke, MD
• Barbara J Lott
• Ronald L Lott
• Valerie Lott
• Lotus the Center for Behavioral Health and Wellness

• Critical Care Medicine (Internal Medicine) Physician in Washington, DC
• Providers in Washington, DC by specialty
• Critical Care Medicine (Internal Medicine) Physician in District of Columbia

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