Liana Michelle Atallah, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A189919 Issued in CA

Practice address

13652 Cantara St
Panorama City, CA 91402-5423

Phone

(833) 574-2273

NPI assigned

May 9, 2018

Last updated

Nov 10, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

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

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Southern California Permanente Medical GroupGroup PAC ID 6002729175, 11,250 clinicians

Usc Care Medical Group IncGroup PAC ID 0446157747, 1,378 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Keck Hospital of Usc Hospital, Los Angeles, CA, CCN 050696
• Usc Kenneth Norris Jr Cancer Hospital Hospital, Los Angeles, CA, CCN 050660

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Usc Care Medical Group, Inc

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

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Baldwin Park, CA
  • NPI 1770515280
  Medicare reassignment Care Compare group
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Santa Clarita, CA
  • NPI 1316409410
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Lancaster, CA
  • NPI 1982863783
  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.

• Keck Medical Center of Usc

  dba Keck Hospital of USC

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1013514199
  Care Compare affiliation
• Keck Medical Center of Usc

  dba USC Kenneth Norris Jr. Hospital

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1417554528
  Care Compare affiliation

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

{
    "created_epoch": "1525824000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762732800000",
    "number": "1659860229",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13652 CANTARA ST BLDG 4",
            "city": "PANORAMA CITY",
            "state": "CA",
            "postal_code": "914025423",
            "telephone_number": "833-574-2273"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13652 CANTARA ST",
            "city": "PANORAMA CITY",
            "state": "CA",
            "postal_code": "914025423",
            "telephone_number": "833-574-2273"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ATALLAH",
        "first_name": "LIANA",
        "middle_name": "MICHELLE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-05-09",
        "last_updated": "2025-11-10",
        "certification_date": "2025-11-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A189919",
            "primary": true
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "CA",
            "license": "A189919",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Geetha Ashok, MD
• Ghyzal Ashrati, PT
• Donna J. Asimont, MD
• Jerick Marquez Asuncion, RN
• Nabeel S. Atalla, MD
• Atamian Chiropractic Corporation
• Atari Medical Inc.
• Mona Atashigolestan, AU.D.
• Atlantic Dental Services Inc. (Ahora Dental Care)
• Margaret Lisa Atmodjo, NP

• Internal Medicine Physician in Panorama City, CA
• Providers in Panorama City, 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 Nov 10, 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.