Mohammad Reza Hajighasemi-Ossareh, MD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

A150719 Issued in CA

Practice address

200 Hospital Cir
Westminster, CA 92683-3910

Phone

(657) 666-7700

NPI assigned

Mar 29, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 7

Addresses

Other names 1

• Mohammad Bravo Hajighasemi Other name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA, NC2 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

Neurology

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Summit Neurology IncGroup PAC ID 1052766292, 3 clinicians

Memorialcare Medical FoundationGroup PAC ID 8729277314, 555 clinicians

Novant Health Medical Group, LLCGroup PAC ID 1153234893, 2,413 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorialcare Orange Coast Medical Center Hospital, Fountain Valley, CA, CCN 050678
• Coastal Communities Hospital Hospital, Santa Ana, CA, CCN 050747
• Uci Health-Orange Hospital, Orange, CA, CCN 050348
• Hoag Memorial Hospital Presbyterian Hospital, Newport Beach, CA, CCN 050224
• Providence St. Joseph Hospital Hospital, Orange, CA, CCN 050069

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 and National Provider Directory roles.

• Memorialcare Medical Foundation

  • Clinic/Center
  • Fountain Valley, CA
  • NPI 1205167350
  Medicare reassignment Care Compare group NPD
• Summit Neurology Inc

  • Neurology Physician
  • Huntington Beach, CA
  • NPI 1982386280
  Medicare reassignment Care Compare group NPD
• Novant Health Medical Group, LLC

  • Neurology with Special Qualifications in Child Neurology Physician
  • Charlotte, NC
  • NPI 1366409492
  Medicare reassignment Care Compare group NPD
• Cep America - Neurology PC

  • Neurology Physician
  • Santa Barbara, CA
  • NPI 1225569346
  Medicare reassignment NPD
• Neurological Institute of Los Angeles

  • Neurology Physician
  • Beverly Hills, CA
  • NPI 1659849040
  Medicare reassignment NPD
• Signify Health Medical Associates of California, PC

  • General Practice Physician
  • San Francisco, CA
  • NPI 1124685169
  Medicare reassignment NPD
• Novant Health Medical Group Coastal Region, LLC

  • Cardiovascular Disease Physician
  • Wilmington, NC
  • NPI 1649865791
  Medicare reassignment NPD
• Cep America - Neurology PC

  • Neurology Physician
  • Murrieta, CA
  • NPI 1235779521
  NPD
• Post - Acute Neurology of America

  • Neurology Physician
  • Westminster, CA
  • NPI 1003770538
  NPD
• Cep America - Neurology PC

  • Neurology Physician
  • Terre Haute, IN
  • NPI 1124843586
  NPD
• NMG Health Services LLC

  • Maternal & Fetal Medicine Physician
  • Bolivia, NC
  • NPI 1558242495
  NPD
• Novant Health Medical Group Coastal Region, LLC

  • Oral & Maxillofacial Surgery (D.M.D.)
  • Wilmington, NC
  • NPI 1902485600
  NPD

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

• Hoag Memorial Hospital Presbyterian

  • General Acute Care Hospital
  • Newport Beach, CA
  • NPI 1518951300
  Care Compare affiliation
• Orange Coast Memorial Medical Center

  • General Acute Care Hospital
  • Fountain Valley, CA
  • NPI 1497702575
  Care Compare affiliation
• South Coast Global Medical Center, Inc

  • General Acute Care Hospital
  • Santa Ana, CA
  • NPI 1558354258
  Care Compare affiliation
• St Joseph Hospital of Orange

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1912982216
  Care Compare affiliation
• St. Joseph Hospital of Orange

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1558575746
  Care Compare affiliation
• University of California Irvine

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1518739309

  Hospital

  Care Compare affiliation
• University of California Irvine

  • 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": "1459209600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770940800000",
    "number": "1144683137",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8941 ATLANTA AVE # 170",
            "city": "HUNTINGTON BEACH",
            "state": "CA",
            "postal_code": "926467121",
            "telephone_number": "877-844-0012",
            "fax_number": "714-665-4680"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 HOSPITAL CIR",
            "city": "WESTMINSTER",
            "state": "CA",
            "postal_code": "926833910",
            "telephone_number": "657-666-7700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAJIGHASEMI-OSSAREH",
        "first_name": "MOHAMMAD",
        "middle_name": "REZA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-03-29",
        "last_updated": "2026-02-13",
        "certification_date": "2026-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "FL",
            "license": "TPME1293",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CA",
            "license": "A150719",
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "AZ",
            "license": "63148",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "KY",
            "license": "55605",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "VA",
            "license": "0101272074",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "GA",
            "license": "88488",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "NC",
            "license": "2021-02711",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://memorialcare.org/fhir/api/FHIR/R4/",
            "affiliation": "Y",
            "endpointDescription": "MemorialCare FHIR Endpoint",
            "affiliationName": "MemorialCare Medical Foundation",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "17360 Brookhurst St",
            "city": "Fountain Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "927083720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MOHAMMAD",
            "last_name": "HAJIGHASEMI",
            "middle_name": "BRAVO",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Lidia Minerva Haefele
• Morgan Brook Hafty
• Hai Pham M.D., Inc.
• Hai Pham, M.D., Inc
• Lidya Y Haile
• Melanie Jane Hall, LCSW
• Allison E Hallinan, P.A.-C
• Donald Hammonds Jr.
• Nadine Nahed Hammouri, MA, AMFT
• Ryan Hampton

• Neurology Physician in Westminster, CA
• Providers in Westminster, CA by specialty
• Neurology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 2026; 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.