Individual provider Active NPI

Marissa Ower

  • Addiction (Substance Use Disorder) Counselor
  • Cardiff, CA
National Provider Identifier
1790695047
Registry record updated Sep 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
B001710324 Issued in CA
Practice address
120 Birmingham Dr Ste 240a
Cardiff, CA 92007-1757
Phone
(760) 214-1431
NPI assigned
Sep 9, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 9, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X B001710324 CA Primary

Addresses

Primary practice location

120 Birmingham Dr Ste 240a
Cardiff, CA 92007-1757

Mailing address

120 Birmingham Dr Ste 240a
Cardiff, CA 92007-1757
Phone (858) 208-0121

Other names 1

  • Marissa Cahill Former name

Medicare participation

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

NPI Registry JSON

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

{
    "created_epoch": "1788912000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788912000000",
    "number": "1790695047",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 BIRMINGHAM DR STE 240A",
            "city": "CARDIFF",
            "state": "CA",
            "postal_code": "920071757",
            "telephone_number": "858-208-0121"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 BIRMINGHAM DR STE 240A",
            "city": "CARDIFF",
            "state": "CA",
            "postal_code": "920071757",
            "telephone_number": "760-214-1431"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OWER",
        "first_name": "MARISSA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-09-09",
        "last_updated": "2026-09-09",
        "certification_date": "2026-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "B001710324",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARISSA",
            "last_name": "CAHILL",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Cardiff, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.