Individual provider Active NPI

Stephen Carl Winston, PH.D.

  • Clinical Psychologist
  • Agoura Hills, CA
National Provider Identifier
1730204884
Registry record updated Jun 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
License
14856 Issued in CA
Practice address
5923 Kanan Rd
Agoura Hills, CA 91301-1688
Phone
(310) 382-7556
Fax
(310) 455-1416
NPI assigned
Mar 20, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Psychologist 103TC0700X 14856 CA Primary

Addresses

Primary practice location

5923 Kanan Rd
Agoura Hills, CA 91301-1688

Mailing address

PO Box 1410
Topanga, CA 90290-1410
Phone (310) 382-7556

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
I20090820000745 CA Practitioner - Clinical Psychologist 8224182597 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Other, 1990
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

5923 Kanan Rd
Agoura, CA 91301-1688
Phone (310) 382-7556

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

Practice roles

OrganizationSpecialtyStatusNew patients
Broad Horizons Marriage and Family Counseling, Prof. Corp. Psychologist CurrentSince Sep 15, 2019 Accepting new patients

Locations

5923 Kanan Rd
Agoura Hills, CA 91301
Phone (310) 382-7556

610 Santa Monica Blvd
Ste 214
Santa Monica, CA 90401
Phone (310) 382-7556

Organizations & group practices 2

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": "1174348800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780617600000",
    "number": "1730204884",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1410",
            "city": "TOPANGA",
            "state": "CA",
            "postal_code": "902901410",
            "telephone_number": "310-382-7556",
            "fax_number": "310-455-1416"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5923 KANAN RD",
            "city": "AGOURA HILLS",
            "state": "CA",
            "postal_code": "913011688",
            "telephone_number": "310-382-7556",
            "fax_number": "310-455-1416"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WINSTON",
        "first_name": "STEPHEN",
        "middle_name": "CARL",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-20",
        "last_updated": "2026-06-05",
        "certification_date": "2026-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "14856",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Agoura Hills, CA

Sources for this page

Verify at the official NPI Registry.