Alexandra Gensemer, N.P.

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

95001926 Issued in CA

Practice address

101 The City Dr S
Orange, CA 92868-3201

Phone

(714) 456-8888

NPI assigned

Jan 26, 2015

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southern California Emergency Medical GroupGroup PAC ID 4688097066, 24 clinicians

Fountain Valley Emergency Physicians, P.C.Group PAC ID 5597031518, 21 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Merit-based Incentive Payment System (MIPS)

Final score

96.69 of 100Reported as group

Quality

90

Improvement activities

40

Cost

78.43

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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.

• Fountain Valley Emergency Physicians, P.C.

  • Emergency Medicine Physician
  • Fountain Valley, CA
  • NPI 1639698475
  Medicare reassignment Care Compare group NPD
• Southern California Emergency Medical Group

  • Emergency Medicine Physician
  • San Pedro, CA
  • NPI 1518588433
  Medicare reassignment Care Compare group NPD
• Cep America - California

  • Emergency Medicine Physician
  • San Francisco, CA
  • NPI 1023063542
  Medicare reassignment NPD
• Cep America - California

  • Emergency Medicine Physician
  • Santa Ana, CA
  • NPI 1548667843
  Medicare reassignment NPD
• Memorialcare Medical Foundation

  • Clinic/Center
  • Fountain Valley, CA
  • NPI 1205167350

  Nurse Practitioner

  Medicare reassignment NPD
• Regents of the University of

  • Emergency Medicine Physician
  • Orange, CA
  • NPI 1154379394
  Medicare reassignment NPD
• Cep America - California

  • Emergency Medicine Physician
  • Tulare, CA
  • NPI 1306327846
  NPD
• Cep America - California

  • Emergency Medicine Physician
  • Mission Hills, CA
  • NPI 1780625871
  NPD
• Cep America-California

  • Emergency Medicine Physician
  • Murrieta, CA
  • NPI 1588552848
  NPD
• Bristol Park Medical Group, Inc

  • Family Medicine Physician
  • Costa Mesa, CA
  • NPI 1043266760
  NPD (past)

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

• University of California Irvine

  • General Acute Care Hospital
  • Lakewood, CA
  • NPI 1184655581
  Care Compare affiliation

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

{
    "created_epoch": "1422230400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749081600000",
    "number": "1073903381",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3700 SOUTH ST",
            "city": "LAKEWOOD",
            "state": "CA",
            "postal_code": "907121419"
        },
        {
            "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": "3700 South St",
            "address_purpose": "LOCATION",
            "city": "Lakewood",
            "state": "CA",
            "postal_code": "907121498",
            "country_code": "US",
            "telephone_number": "562-602-6800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GENSEMER",
        "first_name": "ALEXANDRA",
        "name_prefix": "Ms.",
        "credential": "N.P.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-01-26",
        "last_updated": "2025-06-05",
        "certification_date": "2025-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95001926",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "95001926",
            "primary": true
        }
    ],
    "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": []
}

• Michelle Gemanaru
• Genentox Laboratories LLC
• Genesis Healthcare of Southern California, Inc, a Medical Group
• Genetics Center
• Belanna May Geniza, PHARMD
• Leah Gentile
• Genzyme Corporation
• George H Garcia MD Inc
• George R. Moro
• George Ujkic Chiropractic Professional Corporation

• Nurse Practitioner in Orange, CA
• Providers in Orange, CA by specialty
• Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 5, 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.