AMBER M WHEMPNER CNP
NPI 1689412603
Nurse Practitioner - Family in Sioux Falls, SD
About Amber M Whempner Cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMBER M WHEMPNER CNP (NPI 1689412603) is an individual family provider in Sioux Falls, South Dakota, licensed in South Dakota (CP003286) and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS, is affiliated with Spencer Municipal Hospital, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Group Practice 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
Amber M Whempner Cnp 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 Amber Whempner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sioux Falls, SD 57108
- Reassigned Medicare billing, South Dakota enrollment
- 61 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spencer Municipal Hospital
Acute Care Hospitals · Spencer, IALakes Regional Healthcare
Acute Care Hospitals · Spirit Lake, IAAvera Holy Family Hospital
Critical Access Hospitals · Estherville, IAAvera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDAvera Heart Hospital Of South Dakota
Acute Care Hospitals · Sioux Falls, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57108 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.
SIOUX FALLS, SD 57108
SIOUX FALLS, SD 57108
SIOUX FALLS, SD 57108
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 Amber Whempner's NPI number?
The NPI number for Amber Whempner is 1689412603. It was assigned to this individual provider in the NPPES registry on July 15, 2024.
Where is Amber Whempner located?
Amber Whempner practices at 4520 W 69th St, Sioux Falls, SD 57108. The listed phone number is (605) 977-5000.
What is Amber Whempner's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Amber Whempner enrolled in Medicare?
Yes. Amber Whempner 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 Amber Whempner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amber Whempner reassigns Medicare benefits to Heart Hospital Of South Dakota LLC (Sioux Falls, SD). 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 Amber Whempner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amber Whempner accept?
Health plans from Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Amber Whempner 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 Amber Whempner affiliated with any hospitals?
According to CMS data, Amber Whempner is affiliated with Spencer Municipal Hospital, Lakes Regional Healthcare, Avera Holy Family Hospital, Avera Mckennan Hospital & University Health Center and Avera Heart Hospital Of South Dakota.
When was this NPI record last updated?
The NPPES record for Amber Whempner was last updated on February 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.
# Amber M Whempner, CNP · NPI 1689412603
Family physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since July 15, 2024.
## Identity
- **NPI:** 1689412603 (Entity type: Individual)
- **Enumerated:** July 15, 2024
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** CP003286 (South Dakota)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4520 W 69TH ST, Sioux Falls, SD 57108-8148
- **Phone:** (605) 977-5000 · **Fax:** (605) 977-5377
## 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:** Heart Hospital Of South Dakota LLC (NPI 1407109705, Sioux Falls, SD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** February 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689412603) · Data from the CMS NPPES public registry.