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

Dr. William Oliver Semans, DDS

Individual provider General Practice Dentistry · NPI 1548358856

Dr. William Oliver Semans, DDS is a General Practice Dentistry in Sandusky, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
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.

See every abbreviation used in this directory →

Practice location Address checks out

334 Hancock St
Sandusky, OH 44870-2901
Phone: (419) 626-1448
Fax: (419) 626-1598
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 30016984 (OH)

Record details

NPI number1548358856
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedOctober 11, 2006
Last updated in NPPESJuly 8, 2007
Mailing address334 Hancock St, Sandusky, OH 44870-2901

Other providers in Sandusky