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

John M Williams, OD

Individual provider Optometrist · NPI 1790880714

John M Williams, OD is an Optometry in Champaign, Illinois. Graduated from Illinois College of Optometry at Chicago in 1987, 39 years ago. Practices with Carle Health Care Incorporated, a 1,543-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
39
Trained at
Illinois College of Optometry at Chicago
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

3105 Fields South Dr
Champaign, IL 61822-3743
Phone: (217) 902-3937
Fax: (217) 902-7751
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046008016 (IL)

Record details

NPI number1790880714
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedSeptember 14, 2006
Last updated in NPPESApril 27, 2026
Certification dateApril 27, 2026
Mailing address611 W Park St, Urbana, IL 61801-2501

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 1987 (39 years in practice)
Group practice Carle Health Care Incorporated — 1543 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Champaign