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

William Charles O'Shaughnessy, DDS

Individual provider General Practice Dentistry · NPI 1760406334

William Charles O'Shaughnessy, DDS is a General Practice Dentistry in Bay Shore, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
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

41 3rd Ave
Bay Shore, NY 11706-7913
Phone: (631) 665-4740
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 028325 (NY)

Record details

NPI number1760406334
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedJuly 27, 2006
Last updated in NPPESJuly 8, 2007
Mailing address41 3rd Ave, Bay Shore, NY 11706-7913

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