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

Dr. Karen Sylvia Hammer, DDS

Individual provider General Practice Dentistry · NPI 1952472755

Dr. Karen Sylvia Hammer, DDS is a General Practice Dentistry in Massapequa, New York. Practices as a sole proprietor. Licensed in New York.

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

847 N Broadway
Massapequa, NY 11758-2373
Phone: (516) 798-0850
Fax: (516) 798-5713
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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 32863 (NY)

Record details

NPI number1952472755
Entity typeIndividual (Type 1)
GenderFemale
Credentials DDS
Sole proprietorYes
NPI enumeratedNovember 13, 2006
Last updated in NPPESOctober 30, 2008

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