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

Individual provider Optometrist · NPI 1396715173

Dr. John Gerard Knuth, OD is an Optometry in Green Bay, Wisconsin. Graduated from Illinois College of Optometry at Chicago in 1989, 37 years ago. Practices with Myeyedr Optometry of Wisconsin LLC, a 27-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
37
Trained at
Illinois College of Optometry at Chicago
Licensed in
WI
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

535 S Monroe Ave
Green Bay, WI 54301-4096
Phone: (920) 435-9511
Fax: (920) 435-9383
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 2308 (WI)

Record details

NPI number1396715173
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJanuary 25, 2006
Last updated in NPPESMarch 7, 2023

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 1989 (37 years in practice)
Group practice Myeyedr Optometry Of Wisconsin Llc — 27 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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