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

Individual provider Optometrist · NPI 1841385267

Dr. Mark David Spencer, OD is an Optometrist in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
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

4949 W.irving Pk Rd Ste E
Chicago, IL 60641-2655
Phone: (773) 237-4774
Fax: (773) 202-9902
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046-0008177 (IL)

Record details

NPI number1841385267
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedOctober 3, 2006
Last updated in NPPESJuly 8, 2007
Mailing address4949 W.Irving Pk. Rd., Suite E, Chicago, IL 60641-2655

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