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

John Constantinidis

Individual provider Dentist · NPI 1497409460

John Constantinidis is a Dentist in Sayville, New York. Works from 3 locations. Licensed in New York.

Licensed in
NY
In the registry since
2022
Specialties on file
2
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Practice location Address checks out

160 Middle Rd Ste 4
Sayville, NY 11782-3126
Phone: (631) 589-5554
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 20417 35th Ave, Bayside, NY 11361-1243 — (516) 980-5724
  • 151 Westchester Hall, Stony Brook, NY 11794-0001 — (631) 444-2557

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 063876 (NY)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1497409460
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedFebruary 9, 2022
Last updated in NPPESFebruary 12, 2025
Certification dateFebruary 12, 2025
Mailing address1 Kennedy Dr, Plainview, NY 11803-4017

Other providers in Sayville