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

John D. Kiernan OD

Organization Eyewear Supplier · NPI 1912176256

John D. Kiernan OD is an Eyewear Supplier in Sioux City, Iowa. Licensed in Iowa. Registered with an NPI since 2008.

Licensed in
IA
In the registry since
2008

Practice location Address checks out

1214 Pierce St
Sioux City, IA 51105-1417
Phone: (712) 252-4406
Fax: (712) 252-5296
Show map & directions

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

Specialties & licences

Eyewear Supplier (primary) Taxonomy 332H00000X · Licence 1687 (IA)

Record details

NPI number1912176256
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Kiernan — Owner · (712) 252-4406
NPI enumeratedFebruary 20, 2008
Last updated in NPPESApril 9, 2008
Mailing address1214 Pierce St, Sioux City, IA 51105-1417

Other providers in Sioux City