DR. WILL R EIDSNESS M.D.
NPI 1093912636
Radiology - Diagnostic Radiology in Yankton, SD
About Dr. Will R Eidsness M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILL R EIDSNESS M.D. (NPI 1093912636) is an individual diagnostic radiology provider in Yankton, South Dakota, licensed in South Dakota (RL0428) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Avera Sacred Heart Hospital, and is a graduate of Sanford School Of Medicine Of University Of South Dakota (2002).
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
Dr. Will R Eidsness 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 Reassignments
2Medicare enrollment records show Will Eidsness reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Yankton, SD 57078
- Reassigned Medicare billing, South Dakota and Nebraska enrollments
- Also billed through NPI 1447251350 (Nebraska)
- 59 clinicians in this Medicare group
Yankton, SD 57078
- Reassigned Medicare billing, Nebraska and South Dakota enrollments
- 42 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 18
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Avera Sacred Heart Hospital
Acute Care Hospitals · Yankton, SDAvera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57078 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
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 Will Eidsness's NPI number?
The NPI number for Will Eidsness is 1093912636. It was assigned to this individual provider in the NPPES registry on June 28, 2007.
Where is Will Eidsness located?
Will Eidsness practices at 1104 W 8th St, Yankton, SD 57078. The listed phone number is (605) 665-7841.
What is Will Eidsness's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Will Eidsness enrolled in Medicare?
Yes. Will Eidsness 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 organizations bill Medicare for Will Eidsness's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Will Eidsness reassigns Medicare benefits to 2 organizations: Yankton Medical Clinic PC (Yankton, SD) and Sacred Heart Health Services (Yankton, SD). Each 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 Will Eidsness's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Will Eidsness accept?
Health plans from Avera Health Plans, Blue Cross and Blue Shield of Nebraska, Oscar Insurance Company and Wellmark of South Dakota, Inc. list Will Eidsness 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 Will Eidsness affiliated with any hospitals?
According to CMS data, Will Eidsness is affiliated with Avera Sacred Heart Hospital and Avera Mckennan Hospital & University Health Center.
When was this NPI record last updated?
The NPPES record for Will Eidsness was last updated on June 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.