Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Michael Grassa Dental PC

Organization Dental Clinic/Center · NPI 1982597076

Michael Grassa Dental PC is a Dental Clinic/Center in Sayville, New York. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

207 W Main St
Sayville, NY 11782-2505
Phone: (631) 589-0672
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dental Clinic/Center (primary) Taxonomy 261QD0000X

Record details

NPI number1982597076
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Michael Grassa — Owner · (631) 365-9568
NPI enumeratedMay 29, 2025
Last updated in NPPESMay 29, 2025
Certification dateMay 29, 2025
Mailing address153 Toronto Ave, Massapequa, NY 11758-3944