MR. WILLIAM R JONGEWAARD M.D.
NPI 1336128453
Surgery in Sheldon, IA
About Mr. William R Jongewaard M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM R JONGEWAARD M.D. (NPI 1336128453) is an individual surgery provider in Sheldon, Iowa, licensed in Iowa (29665) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Sanford Sheldon Medical Center, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. William R Jongewaard M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show William Jongewaard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sheldon, IA 51201
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1841200623 (Iowa)
- 60 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sanford Sheldon Medical Center
Critical Access Hospitals · Sheldon, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 51201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 William Jongewaard's NPI number?
The NPI number for William Jongewaard is 1336128453. It was assigned to this individual provider in the NPPES registry on January 17, 2006.
Where is William Jongewaard located?
William Jongewaard practices at 1201 2nd Ave Suite 6, Sheldon, IA 51201. The listed phone number is (712) 324-3298.
What is William Jongewaard's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is William Jongewaard enrolled in Medicare?
Yes. William Jongewaard is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for William Jongewaard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Jongewaard reassigns Medicare benefits to Sanford Health Network (Sheldon, IA). The 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 William Jongewaard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Jongewaard accept?
Health plans from Sanford Health Plan, Security Health Plan and Wellmark Health Plan of Iowa, Inc. list William Jongewaard as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Jongewaard affiliated with any hospitals?
According to CMS data, William Jongewaard is affiliated with Sanford Sheldon Medical Center.
When was this NPI record last updated?
The NPPES record for William Jongewaard was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mr. William R Jongewaard, M.D. · NPI 1336128453
Surgery physician in Sheldon, Iowa. Individual provider, active in the CMS NPPES registry since January 17, 2006.
## Identity
- **NPI:** 1336128453 (Entity type: Individual)
- **Enumerated:** January 17, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 29665 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 1201 2ND AVE, SUITE 6, Sheldon, IA 51201-1960
- **Phone:** (712) 324-3298 · **Fax:** (712) 324-8233
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Sanford Health Network (NPI 1598295941, Sheldon, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Iowa, Rj & L Carver College Of Medicine, class of 1989
## Record status
- **NPPES last updated:** November 27, 2023
- **Other identifiers:** Medicaid 0111369 (IA)
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Source: [NPI Profile](https://npiprofile.com/npi/1336128453) · Data from the CMS NPPES public registry.