Individual provider Active NPI

Joy Lee Johnson, PSYD

  • Clinical Psychologist
  • Castro Valley, CA
National Provider Identifier
1962603928
Registry record updated Oct 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
License
PSY28452 Issued in CA
Practice address
20212 Redwood Rd Ste 104
Castro Valley, CA 94546-4375
Phone
(510) 470-3540
NPI assigned
May 29, 2007
Last updated
Oct 10, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 10, 2025

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 PSY28452 CA Primary

Addresses

Primary practice location

20212 Redwood Rd Ste 104
Castro Valley, CA 94546-4375

Mailing address

20212 Redwood Rd Ste 104
Castro Valley, CA 94546-4375
Phone (510) 470-3540

Other practice location 1

20253 Redwood Rd Ste A
Castro Valley, CA 94546-4331
Phone (510) 224-4377

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

State licenses

LicenseStateTypeSpecialty
PSY28452CAMDClinical Psychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Eden Counseling Services Current Accepting new patients
Joy CurrentSince Feb 1, 2024 Accepting new patients

Locations

20212 Redwood Rd
Ste 104
Castro Valley, CA 94546
Phone (510) 220-0473

20253 Redwood Rd
#A
Castro Valley, CA 94546
Phone (510) 224-4377

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, 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": "1180396800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760054400000",
    "number": "1962603928",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20212 REDWOOD RD STE 104",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945464375",
            "telephone_number": "510-470-3540"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20212 REDWOOD RD STE 104",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945464375",
            "telephone_number": "510-470-3540"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "20253 Redwood Rd Ste A",
            "address_purpose": "LOCATION",
            "city": "Castro Valley",
            "state": "CA",
            "postal_code": "945464331",
            "country_code": "US",
            "telephone_number": "510-224-4377",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "JOY",
        "middle_name": "LEE",
        "name_prefix": "Dr.",
        "credential": "PSYD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-05-29",
        "last_updated": "2025-10-10",
        "certification_date": "2025-10-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY28452",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Castro Valley, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 10, 2025; 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.