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

Dr. Gregory M Seiden, DDS

Individual provider Dentist · NPI 1144345976

Dr. Gregory M Seiden, DDS is a Dentist in Levittown, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

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Practice location Address checks out

21 Division Ave
Levittown, NY 11756
Phone: (516) 731-7660
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 0399911 (NY)

Record details

NPI number1144345976
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedMarch 20, 2007
Last updated in NPPESJuly 8, 2007
Mailing address21 Division Avenue, Levittown, NY 11756

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