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

Karl S. Csiszer, OD, PC

Organization Optometrist · NPI 1740335058

Karl S. Csiszer, OD, PC is an Optometrist in Sandwich, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1112 E Railroad St Ste 1
Sandwich, IL 60548-1894
Phone: (815) 786-2020
Fax: (815) 786-6306
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046-006611 (IL)

Record details

NPI number1740335058
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Karl Csiszer — President · (815) 786-2020
NPI enumeratedJanuary 24, 2007
Last updated in NPPESMarch 18, 2010
Mailing address1112 E Railroad St, Suite 1, Sandwich, IL 60548-1894

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