Arto Haddadian, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

G74992 Issued in CA

Practice address

7300 Medical Center Dr
West Hills, CA 91307-1902

Phone

(818) 676-4000

NPI assigned

Jul 13, 2006

Sex

Male

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

Anesthesiology

Education

Medical College of Ohio, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pacific Valley Medical GroupGroup PAC ID 3577465368, 104 clinicians

West Hills Anesthesia and Perioperative PhysiciansGroup PAC ID 7719280007, 20 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• UCLA West Valley Medical Center Hospital, West Hills, CA, CCN 050481
• Providence Cedars Sinai Tarzana Medical Center Hospital, Tarzana, CA, CCN 050761

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ahaddadian1358568@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 and National Provider Directory roles.

• Pacific Valley Medical Group

  • Anesthesiology Physician
  • Pasadena, CA
  • NPI 1851312862
  Medicare reassignment Care Compare group NPD
• West Hills Anesthesia and Perioperative Physicians

  • Anesthesiology Physician
  • West Hills, CA
  • NPI 1881061802
  Medicare reassignment Care Compare group NPD
• Regents of the University of California

  • Anesthesiology Physician
  • Los Angeles, CA
  • NPI 1326096165
  Medicare reassignment NPD
• Tarzana Anesthesia Medical Group, Inc.

  • Pain Medicine (Anesthesiology) Physician
  • Tarzana, CA
  • NPI 1508897463
  Medicare reassignment NPD
• The Regents of the University of California

  • Ambulatory Surgical Clinic/Center
  • Thousand Oaks, CA
  • NPI 1205566544
  Medicare reassignment NPD
• The Regents of the University of California

  • Ambulatory Surgical Clinic/Center
  • West Hills, CA
  • NPI 1215381843
  Medicare reassignment NPD
• The Regents of the University of California

  • Ambulatory Surgical Clinic/Center
  • North Hollywood, CA
  • NPI 1366041469
  Medicare reassignment NPD
• Regents of the University of California

  • Pain Medicine Physician
  • Los Angeles, CA
  • NPI 1699224808

  Anesthesiology

  NPD

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

• Regents Univ of Calif Los Angeles

  • General Acute Care Hospital
  • West Hills, CA
  • NPI 1801653969
  Care Compare affiliation
• Tarzana Medical Center LLC

  • General Acute Care Hospital
  • Tarzana, CA
  • NPI 1821250762
  Care Compare affiliation

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

{
    "created_epoch": "1152748800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763683200000",
    "number": "1487679189",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7300 MEDICAL CENTER DR",
            "city": "WEST HILLS",
            "state": "CA",
            "postal_code": "913071902",
            "telephone_number": "818-676-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HADDADIAN",
        "first_name": "ARTO",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-13",
        "last_updated": "2025-11-21",
        "certification_date": "2025-11-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "CA",
            "license": "G74992",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "G74992",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nar Gurgenian, PHARMD
• Donna Joy Carpio Gurne, AGACNP
• Monica Lynn Guy, OTR
• Guzman Behavioral Consulting LLC.
• Laith Faris Haddad
• Lina Hadj Smaine, DO
• Christopher Nemer Hage, M.D.
• Gelyce Hairston, MSW
• Hallmark West Hills
• James Ham, D.D.S.

• Anesthesiology Physician in West Hills, CA
• Providers in West Hills, CA by specialty
• Anesthesiology 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.