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

Jack G Guenther, OD

Individual provider Optometrist · NPI 1215047063

Jack G Guenther, OD is an Optometry in Mokena, Illinois. Qualified in 1990, 36 years ago. Accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
36
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

19607 S Lagrange Rd
Mokena, IL 60448
Phone: (708) 479-1616
Fax: (708) 479-6699
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046008314 (IL)

Record details

NPI number1215047063
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESSeptember 25, 2008
Mailing address19607 S Lagrange Road, Mokena, IL 60448

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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