Michael Grassa Dental PC

Primary specialty

Dental Clinic/CenterTaxonomy code 261QD0000X

Legal business name

MICHAEL GRASSA DENTAL PC

Practice address

207 W Main St
Sayville, NY 11782-2505

Phone

(631) 589-0672

NPI assigned

May 29, 2025

Organization subpart

No

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

Authorized official

Name

Dr. Michael Thomas Grassa, DMDNPI 1669026142

Title

Owner

Phone

(631) 365-9568

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Michael Thomas Grassa

  • General Practice Dentistry
  • Commack, NY
  • NPI 1669026142
  NPD Authorized official

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

{
    "created_epoch": "1748476800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1748476800000",
    "number": "1982597076",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "153 TORONTO AVE",
            "city": "MASSAPEQUA",
            "state": "NY",
            "postal_code": "117583944",
            "telephone_number": "631-365-9568"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "207 W MAIN ST",
            "city": "SAYVILLE",
            "state": "NY",
            "postal_code": "117822505",
            "telephone_number": "631-589-0672"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MICHAEL GRASSA DENTAL PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-05-29",
        "last_updated": "2025-05-29",
        "certification_date": "2025-05-29",
        "status": "A",
        "authorized_official_last_name": "GRASSA",
        "authorized_official_first_name": "MICHAEL",
        "authorized_official_middle_name": "THOMAS",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "631-365-9568",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DMD"
    },
    "taxonomies": [
        {
            "code": "261QD0000X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Dental",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marina Mehany
• Jennifer Collier Meittinis, M.A., CCC-SLP
• Madelyn Meltzer
• Bryan Richard Meseika, PHARMD
• Carly Alexa Meyer
• Michele Pasquale Speech Language Pathologist PC
• Miguel a Delgado MD PC
• Michael Monroe, CPHT
• Delia Montalto, MD
• Morgan Leigh Moody, LMSW

• Dental Clinic/Center in Sayville, NY
• Providers in Sayville, NY by specialty
• Dental Clinic/Center in New York

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