Grant Thomas Sisk, DMD

Primary specialty

DentistTaxonomy code 122300000X

License

DS045909 Issued in PA

Practice address

144 5TH Ave
Hyndman, PA 15545-7379

Phone

(814) 842-3206

NPI assigned

Jul 20, 2026

Last updated

Jul 20, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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": "1784505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784505600000",
    "number": "1285554006",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "266 EDDY DR",
            "city": "HYNDMAN",
            "state": "PA",
            "postal_code": "155457701",
            "telephone_number": "814-585-6045"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "144 5TH AVE",
            "city": "HYNDMAN",
            "state": "PA",
            "postal_code": "155457379",
            "telephone_number": "814-842-3206"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SISK",
        "first_name": "GRANT",
        "middle_name": "THOMAS",
        "name_prefix": "Dr.",
        "credential": "DMD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-07-20",
        "last_updated": "2026-07-20",
        "certification_date": "2026-07-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "PA",
            "license": "DS045909",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Eugene Paul Nallin Jr., MD
• Sherry Jean Neff
• Ajay Patel, PHARMD
• Jeanne C. Pfeilsticker, MD
• Mark D Rader, MD
• Sri Ganesh Pharmacy of Hyndman Inc (Potomac Valley Pharmacy)
• Sri Ganesh Pharmacy of Hyndman Inc (Potomac Valley Pharmacy Hyndman)
• Shaina Stone, DMD
• Brian Stratta, MD

• Dentist in Hyndman, PA
• Providers in Hyndman, PA by specialty
• Dentist in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 20, 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.