CHANG CORNERSTONE CLINIC
NPI 1740682434
Family Medicine in Sumner, IA
About Chang Cornerstone Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHANG CORNERSTONE CLINIC (NPI 1740682434) is a healthcare organization registered as a family medicine in Sumner, Iowa and active in the NPI registry since September 2014. The organization lists Janet May Jones, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Chang Cornerstone Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Chang Cornerstone Clinic, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Chang Cornerstone Clinic's NPI number?
The NPI number for Chang Cornerstone Clinic is 1740682434. It was assigned to this organization in the NPPES registry on September 24, 2014.
Where is Chang Cornerstone Clinic located?
Chang Cornerstone Clinic is located at 1004 E 1st St, Sumner, IA 50674. The listed phone number is (563) 578-3321.
What is Chang Cornerstone Clinic's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Chang Cornerstone Clinic enrolled in Medicare?
Yes. Chang Cornerstone Clinic is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Chang Cornerstone Clinic?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Chang Cornerstone Clinic. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Chang Cornerstone Clinic was last updated on September 24, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Chang Cornerstone Clinic · NPI 1740682434
Family Medicine organization in Sumner, Iowa. Organization record, active in the CMS NPPES registry since September 24, 2014.
## Identity
- **NPI:** 1740682434 (Entity type: Organization)
- **Enumerated:** September 24, 2014
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** Janet Jones, PRESIDENT
## Practice location
- **Address:** 1004 E 1ST ST, Sumner, IA 50674-1618
- **Phone:** (563) 578-3321 · **Fax:** (563) 578-3322
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 24, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1740682434) · Data from the CMS NPPES public registry.