GSTC Inc

Primary specialty

Non-emergency Medical Transport (VAN)Taxonomy code 343900000X

Legal business name

GSTC INC

Practice address

130 Caravaggio Cir
Sacramento, CA 95835-2638

Phone

(510) 395-1954

NPI assigned

Aug 21, 2026

Last updated

Aug 21, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Rajesh Kumar

Title

President

Phone

(510) 395-1954

Specialties & licenses 1

Addresses

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

{
    "created_epoch": "1787270400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787270400000",
    "number": "1245146042",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "130 CARAVAGGIO CIR",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958352638",
            "telephone_number": "510-395-1954"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "130 CARAVAGGIO CIR",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958352638",
            "telephone_number": "510-395-1954"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GSTC INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-08-21",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A",
        "authorized_official_last_name": "KUMAR",
        "authorized_official_first_name": "RAJESH",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "510-395-1954"
    },
    "taxonomies": [
        {
            "code": "343900000X",
            "taxonomy_group": "",
            "desc": "Non-emergency Medical Transport (VAN)",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ma Jobylyn Saludo Grummel, LCSW
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• Clayton Grundvig, MD
• Traci Jane Grussenmeyer
• Gsa Enterprises LLC
• Stephanie Gu, MD
• Haley Guadagni
• Carolyn May Guadagnolo, LCSW
• Josephin Guadarrama
• Brittani N Guajardo

• Non-emergency Medical Transport (VAN) in Sacramento, CA
• Providers in Sacramento, CA by specialty
• Non-emergency Medical Transport (VAN) in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 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.