Corinne Giesemann, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A67809 Issued in CA

Practice address

120 Craven Rd
Ste 101
San Marcos, CA 92078-4236

Phone

(760) 591-0955

Fax

(760) 591-3680

NPI assigned

Jun 23, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/10944/brand/3/csg/1/fhir/r4
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Hoag Clinic

  • Primary Care Clinic/Center
  • Newport Beach, CA
  • NPI 1942799523
  Medicare reassignment NPD
• One Medical Seniors Group, Inc.

  • Family Medicine Physician
  • Beverly Hills, CA
  • NPI 1760130413
  Medicare reassignment NPD

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

{
    "created_epoch": "1151020800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773964800000",
    "number": "1730115601",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "26671 ALISO CREEK RD STE 206B",
            "city": "ALISO VIEJO",
            "state": "CA",
            "postal_code": "926564810",
            "telephone_number": "949-791-3199",
            "fax_number": "949-791-3181"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 CRAVEN RD",
            "address_2": "STE 101",
            "city": "SAN MARCOS",
            "state": "CA",
            "postal_code": "920784236",
            "telephone_number": "760-591-0955",
            "fax_number": "760-591-3680"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7881 Edinger Ave Ste 124",
            "address_purpose": "LOCATION",
            "city": "Huntington Beach",
            "state": "CA",
            "postal_code": "926477647",
            "country_code": "US",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GIESEMANN",
        "first_name": "CORINNE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-23",
        "last_updated": "2026-03-20",
        "certification_date": "2026-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A67809",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cgiesemann887949@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "1 Edwards Way",
            "city": "Irvine",
            "state": "CA",
            "country_code": "US",
            "postal_code": "926145688",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Neehal Gamal Ghoniem, D.M.D.
• Tuan Minh Giang
• Vinah Lemoncito Giblin
• Hannah Gibson
• Eric Charles Giddings, OTR L
• Sendy Gil Gomez
• Diana Carolina Gildred Rosen
• Jessica Morgan Glade
• Global Audiology Consulting LLC
• Mario A Godinez, DDS

• Family Medicine Physician in San Marcos, CA
• Providers in San Marcos, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 20, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.