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

Dr. John J Geiser, OD

Individual provider Optometrist · NPI 1578580189

Dr. John J Geiser, OD is an Optometry in Lacon, Illinois. Graduated from Indiana University - School of Optometry in 1972, 54 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
54
Trained at
Indiana University - School of Optometry
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

114 5th St
Lacon, IL 61540-1206
Phone: (309) 246-8177
Fax: (309) 246-3472
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X (IL)

Record details

NPI number1578580189
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJuly 17, 2006
Last updated in NPPESMarch 10, 2008
Mailing address114 5th St, Lacon, IL 61540-1206

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolINDIANA UNIVERSITY - SCHOOL OF OPTOMETRY
Graduated 1972 (54 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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