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

Mr. Dennis Osiak

Individual provider Contact Lens Fitter · NPI 1174694681

Mr. Dennis Osiak is a Contact Lens Fitter in Williamsville, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006

Practice location Address checks out

4545 Transit Rd Eastern Hills Mall
Williamsville, NY 14221-6012
Phone: (716) 632-5497
Fax: (716) 632-1182
Show map & directions

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

Specialties & licences

Contact Lens Fitter (primary) Taxonomy 156FC0801X · Licence C0036231 (NY)

Record details

NPI number1174694681
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 13, 2006
Last updated in NPPESJuly 24, 2008