Individual provider Active NPI

Isaiah Samuel Hetebrink, MS

  • Marriage & Family Therapist
  • Fullerton, CA
National Provider Identifier
1003722141
Registry record updated Aug 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
License
164833 Issued in CA
Practice address
1440 N Harbor Blvd Ste 600a
Fullerton, CA 92835-4119
Phone
(714) 248-5185
NPI assigned
Aug 19, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 19, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X 23434
Marriage & Family Therapist 106H00000X 164833 CA Primary

Addresses

Primary practice location

1440 N Harbor Blvd Ste 600a
Fullerton, CA 92835-4119

Mailing address

2760 Associated Rd Apt D14
Fullerton, CA 92835-2951
Phone (559) 904-6930

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)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1787097600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1003722141",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2760 ASSOCIATED RD APT D14",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928352951",
            "telephone_number": "559-904-6930"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1440 N HARBOR BLVD STE 600A",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928354119",
            "telephone_number": "714-248-5185"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HETEBRINK",
        "first_name": "ISAIAH",
        "middle_name": "SAMUEL",
        "credential": "MS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-08-19",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": "23434",
            "primary": false
        },
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "CA",
            "license": "164833",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fullerton, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 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.