Dentists in Smithtown, NY
Smithtown, New York has 87 dental listings in our directory, built from public National Provider Identifier records. 69 of them are registered for general dentistry, and the rest cover specialties such as orthodontics (6), endodontics (5) and periodontics (2). Details such as insurance and opening hours are not part of the registry; confirm them with the office before you go.
Sources: dentist count = listings on this site from the CMS NPI registry (mailing city, which can reach beyond city limits); population = U.S. Census Bureau, Vintage 2024 Population Estimates (July 1, 2024).
- Umair Hassan DDS PLLC – General Dentistry, Smithtown, NY (NPI 2026)
“New” = NPI first issued in 2025 or 2026 according to the CMS NPI registry (our data stores the year only). A new NPI can also mean a dentist who recently moved or opened a new practice entity.
County: Suffolk County (1,545 listings)
Pins show the approximate ZIP-code area of each address, not the exact door. Map © OpenStreetMap contributors.
David S Wiener DDS PC
General Dentistry
200 East Main Street 200 East Main Street Ste 4 East, Smithtown, NY 11787
David S. Wiener D.D.S. & Robert L. Wagner DMD P.Ll.C.
Dental Public Health
200 East Main St. Suite 4E, Smithtown, NY 11787
Dentists in Smithtown: quick facts
How many dentists are listed in Smithtown, New York?
Our directory lists 87 dental providers with a practice address in Smithtown, based on the CMS NPPES NPI registry.
How many general dentists are in Smithtown?
69 of the Smithtown listings are registered under general dentistry; the rest are specialists or dental practices registered under other dental taxonomies.
Which dental specialists practice in Smithtown?
The most common specialties in Smithtown listings are orthodontics (6), endodontics (5), periodontics (2). Use the specialty filters above to see only one type.
Which nearby cities also have dentists listed?
Huntington (105), Stony Brook (97), Massapequa (90), Commack (69), Syosset (54), Levittown (51).
Are these dentists rated or endorsed?
No. Listings come from the public registry and are not endorsements. A rating only appears after a real patient leaves a moderated review.
Nearby cities
Source: NPPES NPI registry (CMS). A listing is not an endorsement. All New York cities