Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Keith C Winternheimer DDS PC

Organization Dentist · NPI 1477645216

Keith C Winternheimer DDS PC provides Dentist services in Grayville, Illinois. Licensed in Illinois and Indiana. Registered with an NPI since 2006.

Licensed in
IL, IN
In the registry since
2006
Specialties on file
2
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

610 N Ct
Grayville, IL 62844-1002 Not confirmed with CMS for 13 years — call before visiting
Phone: (618) 375-6341
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 019024049 (IL)
Dentist Taxonomy 122300000X · Licence 12009321A (IN)

Record details

NPI number1477645216
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Keith Winternheimer — President · (812) 985-7772
NPI enumeratedSeptember 29, 2006
Last updated in NPPESJanuary 18, 2013
Mailing address4301 S Posey County Line Road, Evansville, IN 47712-9301

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