George Hajjar, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

C52459 Issued in CA

Practice address

23823 Valencia Blvd Ste 250
Santa Clarita, CA 91355-9512

Phone

(661) 799-1999

NPI assigned

Aug 10, 2005

Last updated

Nov 27, 2023By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 2

Electronic endpoints 1

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

Hematology/OncologyAlso: Internal Medicine

Education

Other, 1988

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

City of Hope Medical FoundationGroup PAC ID 3779751656, 964 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Henry Mayo Newhall Hospital Hospital, Valencia, CA, CCN 050624
• Providence Holy Cross Medical Center Hospital, Mission Hills, CA, CCN 050278
• City of Hope Helford Clinical Research Hospital Hospital, Duarte, CA, CCN 050146

Merit-based Incentive Payment System (MIPS)

Final score

92.8 of 100Reported as group

Quality

78.51

Promoting interoperability

100

Improvement activities

40

Cost

70.37

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: direct@cityofhope.direct-ci.com
• Direct secure messaging: ghajjar9182@cityofhope.direct-ci.com

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.

• City of Hope Medical Foundation

  dba City of Hope Duarte

  • Hematology & Oncology Physician
  • Duarte, CA
  • NPI 1871886366
  Medicare reassignment Care Compare group NPD
• City of Hope Medical Group, Inc.

  • Anesthesiology Physician
  • Duarte, CA
  • NPI 1033435292

  Hematology & Oncology

  NPD
• Antelope Valley Health Care District

  • General Acute Care Hospital
  • Lancaster, CA
  • NPI 1366419517
  NPD (past)
• Henry Mayo Newhall Memorial Hospital

  dba Henry Mayo Newhall Hospital

  • General Acute Care Hospital
  • Valencia, CA
  • NPI 1780668434
  NPD (past)
• Lancaster Hospital Corporation

  dba Palmdale Regional Medical Center

  • Rehabilitation Hospital Unit
  • Palmdale, CA
  • NPI 1033109947
  NPD (past)
• Porterville Oncology Associates, Inc.

  • Specialist
  • Porterville, CA
  • NPI 1184807976
  NPD (past)
• Sierra View Local Health Care District

  dba Sierra View Medical Center

  • General Acute Care Hospital
  • Porterville, CA
  • NPI 1639143381
  NPD (past)
• Ahs Hospital Corp.

  dba Chilton Medical Center

  • General Acute Care Hospital
  • Pompton Plains, NJ
  • NPI 1811994809
  NPD (past)
• Hematology Oncology Associates of North Jersey, LLC

  dba Dr. Mohtaseb's Cancer Center and Blood Disorders

  • Hematology & Oncology Physician
  • Henderson, NV
  • NPI 1235833005
  NPD (past)
• St Josephs University Medical Center Inc.

  • General Acute Care Hospital
  • Paterson, NJ
  • NPI 1669462420
  NPD (past)
• St. Luke's Hospital of Duluth

  dba Aspirus St Lukes Behavioral Health Duluth

  • Psychiatry Physician
  • Duluth, MN
  • NPI 1184678880
  NPD (past)
• Trinitas Regional Medical Center

  dba Trinitas Cranford Dialysis

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Cranford, NJ
  • NPI 1518423698
  NPD (past)

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

• City of Hope National Medical Center

  • General Acute Care Hospital
  • Duarte, CA
  • NPI 1750358297
  Care Compare affiliation
• Henry Mayo Newhall Memorial Hospital

  dba Henry Mayo Newhall Hospital

  • General Acute Care Hospital
  • Valencia, CA
  • NPI 1780668434
  Care Compare affiliation
• Providence Health System - Southern California

  dba Providence Holy Cross Medical Center

  • General Acute Care Hospital
  • Mission Hills, CA
  • NPI 1477587632
  Care Compare affiliation

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

{
    "created_epoch": "1123632000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1701043200000",
    "number": "1619978715",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 512185",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900510185",
            "telephone_number": "626-775-3514",
            "fax_number": "626-218-5310"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23823 VALENCIA BLVD STE 250",
            "city": "SANTA CLARITA",
            "state": "CA",
            "postal_code": "913559512",
            "telephone_number": "661-799-1999"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15031 Rinaldi St Ste 150",
            "address_purpose": "LOCATION",
            "city": "Mission Hills",
            "state": "CA",
            "postal_code": "913451207",
            "country_code": "US",
            "telephone_number": "818-660-4700",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "465 W Putnam Ave",
            "address_purpose": "LOCATION",
            "city": "Porterville",
            "state": "CA",
            "postal_code": "932573320",
            "country_code": "US",
            "telephone_number": "559-784-1110",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAJJAR",
        "first_name": "GEORGE",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-08-10",
        "last_updated": "2023-11-27",
        "certification_date": "2020-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "C52459",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00C524590",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD OF CA",
            "identifier": "00C524590",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@cityofhope.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "CITY OF HOPE MEDICAL FOUNDATION",
            "address_1": "1500 Duarte Rd",
            "city": "Duarte",
            "state": "CA",
            "country_code": "US",
            "postal_code": "910103012",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Daniel Guzman
• Maria Esperanza Guzman, MS, LMFT
• Eduard Gyulamiryan
• Mirna Habib
• Emilie Haft, EDM, MA
• Fereshteh Hajsadeghi, MD
• Armine Hakopian, NP
• Michelle Hale, COTA/L
• Trenton Hale, ABOC
• Johanna Hals

• Hematology & Oncology Physician in Santa Clarita, CA
• Providers in Santa Clarita, CA by specialty
• Hematology & Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 27, 2023; 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.