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MICHAEL THOMAS GRASSA
NPI 1669026142
Dentist - General Practice in Commack, NY

Active since August 01, 2019
646 COMMACK RD, COMMACK, NY 11725(631) 499-7280 Get Directions Write a Review

NPPES record last updated: August 1, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Michael Thomas Grassa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL THOMAS GRASSA (NPI 1669026142) is an individual general practice provider in Commack, New York, licensed in New York (060463) and active in the NPI registry since August 2019.

NPPES Registry Identity

NPI1669026142
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameMICHAEL THOMAS GRASSA
Location Address646 COMMACK RDCommack, NY 11725-5426
Mailing Address646 Commack RdCommack, NY 11725-5426 · (631) 499-7280
Phone(631) 499-7280
Sole ProprietorNo
Enumeration DateAugust 1, 2019
✔ NPI 1669026142 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in NY · 060463
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
646 COMMACK RD, Commack, NY 11725
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BEST Life, HRI Dental & Vision, Humana and more.Insurance ›

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALLEN MICHAEL KAPLAN M.D.
Pediatrics
646 COMMACK RD
COMMACK, NY 11725
Suffolk County (631) 499-4114
CAROLYN GILBERT NP
Nurse Practitioner (Psychiatric/Mental Health)
646 COMMACK RD
COMMACK, NY 11725
Suffolk County (631) 793-7091
NEIL MARK BELLOVIN IV M.D.
Pediatrics
646 COMMACK RD
COMMACK, NY 11725
Suffolk County (631) 499-4114
GEORGE ROGU MD
Pediatrics
646 COMMACK RD
COMMACK, NY 11725
Suffolk County (631) 499-4114
MR. STEVEN GORDON LCSWR
Social Worker (Clinical)
646 COMMACK RD
COMMACK, NY 11725
Suffolk County (646) 402-5363
DR. TINA M FRANGELLA D.D.S.
Dentist (General Practice)
646 COMMACK RD
COMMACK, NY 11725
Suffolk County (631) 499-7280
DR. LAURA OTTAVIA FRANGELLA D.D.S.
Dentist (General Practice)
646 COMMACK RD
COMMACK, NY 11725
Suffolk County (631) 499-7280
KIMBERLY STONE HALTIWANGER MD
Pediatrics
646 COMMACK RD
COMMACK, NY 11725
Suffolk County (631) 499-4114

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Grassa's NPI number?

The NPI number for Michael Grassa is 1669026142. It was assigned to this individual provider in the NPPES registry on August 1, 2019.

Where is Michael Grassa located?

Michael Grassa practices at 646 Commack Rd, Commack, NY 11725. The listed phone number is (631) 499-7280.

What is Michael Grassa's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

What insurance does Michael Grassa accept?

Health plans from BEST Life, HRI Dental & Vision, Humana, Paramount and UnitedHealthcare list Michael Grassa as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michael Grassa was last updated on August 1, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.