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

Chang Cornerstone Clinic

Organization Family Medicine Physician · NPI 1740682434

Chang Cornerstone Clinic is a Family Medicine Physician in Sumner, Iowa. Registered with an NPI since 2014.

In the registry since
2014

Practice location Address checks out

1004 E 1st St
Sumner, IA 50674-1618
Phone: (563) 578-3321
Fax: (563) 578-3322
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X

Record details

NPI number1740682434
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Janet Jones — President · (563) 578-3321
NPI enumeratedSeptember 24, 2014
Last updated in NPPESSeptember 24, 2014
Mailing address1004 E 1st St, Sumner, IA 50674-1618

Other providers in Sumner