Greg G Kojayan, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

A190679 Issued in CA

Practice address

8700 Beverly Blvd
West Hollywood, CA 90048-1804

Phone

(310) 423-5841

NPI assigned

Mar 23, 2020

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

Anesthesiology

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Glendale Adventist Medical CenterGroup PAC ID 4284692096, 99 clinicians

Simi Valley Anesthesia Medical GroupGroup PAC ID 2062454804, 26 clinicians

Cedars-Sinai Medical Care FoundationGroup PAC ID 0941106645, 1,684 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Adventist Health Simi Valley Hospital, Simi Valley, CA, CCN 050236
• Cedars-Sinai Medical Center Hospital, Los Angeles, CA, CCN 050625
• Glendale Adventist Medical Center Hospital, Glendale, CA, CCN 050239

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.

• Cedars-Sinai Medical Care Foundation

  • Specialist
  • Los Angeles, CA
  • NPI 1316984388
  Medicare reassignment Care Compare group NPD
• Glendale Adventist Medical Center

  dba Adventist Health Glendale

  • General Acute Care Hospital
  • Glendale, CA
  • NPI 1831188275
  Medicare reassignment Care Compare group NPD
• Simi Valley Anesthesia Medical Group

  • Anesthesiology Physician
  • Simi Valley, CA
  • NPI 1912936709
  Medicare reassignment Care Compare group NPD
• Buena Vista Anesthesia Medical Group

  • Anesthesiology Physician
  • Burbank, CA
  • NPI 1366462293
  Medicare reassignment NPD
• Cedars-Sinai Medical Care Foundation

  • Anesthesiology Physician
  • Los Angeles, CA
  • NPI 1043826720
  NPD
• Glendale Adventist Medical Center

  dba Adventist Health Glendale

  • Psychiatric Hospital Unit
  • Glendale, CA
  • NPI 1336138403
  NPD

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

• Cedars-Sinai Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1639172372
  Care Compare affiliation
• Cedars-Sinai Medical Center

  • General Acute Care Hospital
  • West Hollywood, CA
  • NPI 1891940326
  Care Compare affiliation
• Glendale Adventist Medical Center

  dba Adventist Health Glendale

  • General Acute Care Hospital
  • Glendale, CA
  • NPI 1831188275
  Care Compare affiliation
• Simi Valley Hospital and Health Care Services

  • General Acute Care Hospital
  • Simi Valley, CA
  • NPI 1063495190
  Care Compare affiliation

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

{
    "created_epoch": "1584921600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1689200594",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "757 WESTWOOD PLZ",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900957419",
            "telephone_number": "310-267-8654",
            "fax_number": "310-267-3766"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8700 BEVERLY BLVD",
            "city": "WEST HOLLYWOOD",
            "state": "CA",
            "postal_code": "900481804",
            "telephone_number": "310-423-5841"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "757 Westwood Plz",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900958358",
            "country_code": "US",
            "telephone_number": "310-825-9111",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOJAYAN",
        "first_name": "GREG",
        "middle_name": "G",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-23",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A190679",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joan Y Koh, MD
• Rosalina Kohagura
• Maya Kohavi, MD
• Golenaz Adeli Kohbodi, M.D.
• Nadia Kohler
• Jill Kolin
• Andrew Kolomensky
• Liliya Kolozian, RPH
• Kaz Sun Koltai, DMD
• Pat Kolyouthapong

• Anesthesiology Physician in West Hollywood, CA
• Providers in West Hollywood, CA by specialty
• Anesthesiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.