Individual provider Active NPI

Maritza Harrison, FNP

  • Family Nurse Practitioner
  • Santa Ana, CA
National Provider Identifier
1114237104
Registry record updated Jun 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
20263 Issued in CA
Practice address
2021 E 4TH St Ste 122
Santa Ana, CA 92705-3912
Phone
(951) 268-6995
Fax
(951) 268-6559
NPI assigned
Oct 8, 2010
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 24, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 20263 CA Primary

Addresses

Primary practice location

2021 E 4TH St Ste 122
Santa Ana, CA 92705-3912

Mailing address

2021 E 4TH St Ste 122
Santa Ana, CA 92705-3912
Phone (951) 268-6995

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
20263CAMDMental Health Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
New Hope Medical Group, a Professional Corporation Current Accepting new patients
Regal Medical Group, Inc. Past Accepting new patients
Deo Martinez MD PC Past Accepting new patients

Locations

760 Washburn Ave
Ste 6
Corona, CA 92882
Phone (909) 736-4884

Interoperability endpoints

  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1286496000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782259200000",
    "number": "1114237104",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2021 E 4TH ST STE 122",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927053912",
            "telephone_number": "951-268-6995",
            "fax_number": "951-268-6559"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2021 E 4TH ST STE 122",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927053912",
            "telephone_number": "951-268-6995",
            "fax_number": "951-268-6559"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARRISON",
        "first_name": "MARITZA",
        "credential": "FNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2010-10-08",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "20263",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Santa Ana, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.