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

Dr. William M Neilsen, DDS

Individual provider General Practice Dentistry · NPI 1558342162

Dr. William M Neilsen, DDS is a General Practice Dentistry in Clifton Springs, New York. Licensed in New York. Registered with an NPI since 2005.

Licensed in
NY
In the registry since
2005
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.

See every abbreviation used in this directory →

Practice location Address checks out

67 Kendall St 120 Clifton Springs Professional Park
Clifton Springs, NY 14432-9701
Phone: (315) 462-5633
Fax: (315) 462-3196
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 036016 (NY)

Record details

NPI number1558342162
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedNovember 10, 2005
Last updated in NPPESJuly 13, 2026