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

Dr. Matthew Williams, OD

Individual provider Optometrist · NPI 1275454134

Dr. Matthew Williams, OD is an Optometrist in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2026.

Licensed in
IL
In the registry since
2026
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

227 E Ontario St
Chicago, IL 60611-3385
Phone: (312) 643-2019
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046.012134 (IL)

Record details

NPI number1275454134
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJuly 24, 2026
Last updated in NPPESJuly 29, 2026
Certification dateJuly 29, 2026
Mailing address711 W Brompton Ave Apt 48, Chicago, IL 60657-1884

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