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

John Charles Korver

Individual provider Optician · NPI 1023135050

John Charles Korver is an Optician in Sioux City, Iowa. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

3539 Southern Hills Dr
Sioux City, IA 51106-4750 Not confirmed with CMS for 19 years — call before visiting
Phone: (712) 276-2323
Fax: (712) 274-9986
Show map & directions

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

Specialties & licences

Optician (primary) Taxonomy 156FX1800X

Record details

NPI number1023135050
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 23, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Sioux City