Individual provider Active NPI

Katherine Fierling, L.C.S.W.

  • Mental Health Counselor
  • Orange, CA
National Provider Identifier
1285789990
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
LCS 8250 Issued in CA
Practice address
1310 W Stewart Dr
Suite 301
Orange, CA 92868-3854
Phone
(714) 771-0907
Fax
(714) 771-4852
NPI assigned
Jan 24, 2007
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 8, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X LCS 8250 CA Primary

Addresses

Primary practice location

1310 W Stewart Dr
Suite 301
Orange, CA 92868-3854

Mailing address

1310 W. Stewart Drive
Suite 301
Orange, CA 92868-3838
Phone (714) 771-0907

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190107003208 CA Practitioner - Clinical Social Worker 2062758337 Practice locations: Tustin, CA

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 1977
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

515 E 1St St
Suite D
Tustin, CA 92780-3335
Phone (714) 771-0907

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
LCS 8250CAMDMental Health Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Golden State Marrriage and Family Therapy a Professional Corporation Mental Health PastSince Feb 1, 2026 Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1169596800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1285789990",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1310 W. STEWART DRIVE",
            "address_2": "SUITE 301",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683838",
            "telephone_number": "714-771-0907",
            "fax_number": "714-771-4852"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1310 W STEWART DR",
            "address_2": "SUITE 301",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683854",
            "telephone_number": "714-771-0907",
            "fax_number": "714-771-4852"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FIERLING",
        "first_name": "KATHERINE",
        "credential": "L.C.S.W.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-01-24",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "LCS 8250",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.