Alisan Fathalizadeh, M.D., M.P.H.

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

C203020 Issued in CA

Practice address

101 The City Dr S
Orange, CA 92868-3201

Phone

(714) 456-8888

NPI assigned

Jun 20, 2013

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in NC, CA2 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 2

Specialty

General Surgery

Education

Michigan State University College of Human Medicine, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

University Surgeons of Orange a Medical GroupGroup PAC ID 6901705227, 116 clinicians

UC RegentsGroup PAC ID 7416869516, 316 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Uci Health-Orange Hospital, Orange, CA, CCN 050348
• Uci Health-Lakewood Hospital, Lakewood, CA, CCN 050581

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: afathalizadeh501237@direct.medicine.duke.edu

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.

• UC Regents

  dba UCI Department of Medicine

  • Infectious Disease Physician
  • Orange, CA
  • NPI 1760430847
  Medicare reassignment Care Compare group NPD
• University Surgeons of Orange a Medical Group

  dba Regents of the University of California

  • Surgery Physician
  • Orange, CA
  • NPI 1407806904
  Medicare reassignment Care Compare group NPD
• UC Regents

  dba UCI Department of Medicine

  • Pulmonary Disease Physician
  • Orange, CA
  • NPI 1629026729
  NPD
• UC Regents

  dba UCI Department of Medicine

  • Gastroenterology Physician
  • Orange, CA
  • NPI 1902854078
  NPD
• Duke Health Integrated Practice, Inc.

  • General Practice Physician
  • Durham, NC
  • NPI 1205553369
  NPD
• UC Regents

  dba UCI Department of Medicine

  • Internal Medicine Physician
  • Orange, CA
  • NPI 1205884392
  NPD (past)

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

• University of California Irvine

  dba UCI Health Lakewood

  • General Acute Care Hospital
  • Lakewood, CA
  • NPI 1184655581
  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": "1371686400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763683200000",
    "number": "1649619990",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-7890"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-8888"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5501 Old York Rd",
            "address_2": "Albert Einstein Medical Center",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191413018",
            "country_code": "US",
            "telephone_number": "215-456-3443",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9500 Euclid Ave",
            "address_purpose": "LOCATION",
            "city": "Cleveland",
            "state": "OH",
            "postal_code": "44195",
            "country_code": "US",
            "telephone_number": "216-444-2200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "20 Duke Medicine Cir",
            "address_purpose": "LOCATION",
            "city": "Durham",
            "state": "NC",
            "postal_code": "277102000",
            "country_code": "US",
            "telephone_number": "919-684-5195",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "19200 Jamboree Rd",
            "address_purpose": "LOCATION",
            "city": "Irvine",
            "state": "CA",
            "postal_code": "926122570",
            "country_code": "US",
            "telephone_number": "714-456-7002",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FATHALIZADEH",
        "first_name": "ALISAN",
        "credential": "M.D., M.P.H.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2013-06-20",
        "last_updated": "2025-11-21",
        "certification_date": "2025-11-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "OH",
            "license": "35.134132",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "C203020",
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "PA",
            "license": "MT203559",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Fashion Island Surgery Center, LLC (Surgery Center of Orange)
• Folayemi Omobola Fashola, PHARM.D.
• Michelle Fast
• Beeta Fatehimanesh, FNP
• Ariana Fatemirad
• Husna Fathima
• Syeda Fatima
• Briana Fattaleh
• Andrea Faugstad, OTR/L
• Iliana Favila-de la Trinidad

• Surgery Physician in Orange, CA
• Providers in Orange, CA by specialty
• Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 21, 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.