Gabriela Maria Gryczynski

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

Practice address

795 Willow Rd BLDG 332
Menlo Park, CA 94025-2539

Phone

(650) 376-8641

NPI assigned

Apr 1, 2013

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1364774400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780012800000",
    "number": "1699018341",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "795 WILLOW RD BLDG 332",
            "city": "MENLO PARK",
            "state": "CA",
            "postal_code": "940252539"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "795 WILLOW RD BLDG 332",
            "city": "MENLO PARK",
            "state": "CA",
            "postal_code": "940252539",
            "telephone_number": "650-376-8641"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRYCZYNSKI",
        "first_name": "GABRIELA",
        "middle_name": "MARIA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-04-01",
        "last_updated": "2026-05-29",
        "certification_date": "2026-05-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Jay Gu, DDS
• Jeffrey Mark Guardino, MD
• Susannah Elizabeth Guerra, MA COUN. PSYCH.
• Guide Behavioral Health LLC
• Susan Elaine Guild, LCSW

• Addiction (Substance Use Disorder) Counselor in Menlo Park, CA
• Providers in Menlo Park, CA by specialty
• Addiction (Substance Use Disorder) Counselor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 29, 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.