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

Dr. William Joseph Mateik, OD

Individual provider Optometrist · NPI 1205816709

Dr. William Joseph Mateik, OD is an Optometrist in Winchendon, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2006
Specialties on file
2
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Practice location Address checks out

13 Walnut St
Winchendon, MA 01475-1626
Phone: (978) 297-2020
Fax: (978) 297-0486
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 2292 (MA)
Corneal and Contact Management Optometrist Taxonomy 152WC0802X · Licence 2292 (MA)

Record details

NPI number1205816709
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJanuary 19, 2006
Last updated in NPPESAugust 7, 2008