Zachary L Weiss

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

141867 Issued in CA

Practice address

3873 Howe St Ste 3
Oakland, CA 94611-5343

Phone

(408) 658-0180

NPI assigned

Aug 6, 2026

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1785974400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785974400000",
    "number": "1598689119",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3873 HOWE ST STE 3",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946115343"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3873 HOWE ST STE 3",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946115343",
            "telephone_number": "408-658-0180"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEISS",
        "first_name": "ZACHARY",
        "middle_name": "L",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-08-06",
        "last_updated": "2026-08-06",
        "certification_date": "2026-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "141867",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Timothy James Weisenforth Jr.
• Hannah Weiss, LM, CPM
• Jacquelyn A Weiss, M.D.
• Jonathan D Weiss, M.D., F.A.C.O.G
• Maia Weiss, LCSW
• Laura Evon Weissberger, LCSW
• Elizabeth Weisz, PH.D.
• Layla Welborn, FNP
• Lynn C. Welch, MFT
• Brittany Cady Weldon, M.D.

• Mental Health Counselor in Oakland, CA
• Providers in Oakland, CA by specialty
• Mental Health Counselor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 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.