KATIE FIEGEN FNP
NPI 1083264956
Nurse Practitioner - Family in Sioux Falls, SD
About Katie Fiegen Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATIE FIEGEN FNP (NPI 1083264956) is an individual family provider in Sioux Falls, South Dakota, licensed in South Dakota (CP001639) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Sioux Falls, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Katie Fiegen Fnp 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 Katie Fiegen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux Falls, SD 57103
- Reassigned Medicare billing, South Dakota enrollment
- 826 clinicians in this Medicare group
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 1,097 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57103 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SIOUX FALLS, SD 57103
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 Katie Fiegen's NPI number?
The NPI number for Katie Fiegen is 1083264956. It was assigned to this individual provider in the NPPES registry on September 12, 2019.
Where is Katie Fiegen located?
Katie Fiegen practices at 4405 E 26th St, Sioux Falls, SD 57103. The listed phone number is (605) 332-2883.
What is Katie Fiegen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Katie Fiegen enrolled in Medicare?
Yes. Katie Fiegen 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 Katie Fiegen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katie Fiegen reassigns Medicare benefits to 2 organizations: Sanford Clinic (Sioux Falls, SD) and Sanford Medical Center (Sioux Falls, 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 Katie Fiegen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katie Fiegen accept?
Health plans from Sanford Health Plan, Security Health Plan, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Katie Fiegen 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.
When was this NPI record last updated?
The NPPES record for Katie Fiegen was last updated on November 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Katie Fiegen, FNP · NPI 1083264956
Family physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since September 12, 2019.
## Identity
- **NPI:** 1083264956 (Entity type: Individual)
- **Enumerated:** September 12, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** CP001639 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 4405 E 26TH ST, Sioux Falls, SD 57103-4187
- **Phone:** (605) 332-2883
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Sanford Clinic (NPI 1245248764, Sioux Falls, SD); Sanford Medical Center (NPI 1093090342, Sioux Falls, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** November 24, 2020
---
Source: [NPI Profile](https://npiprofile.com/npi/1083264956) · Data from the CMS NPPES public registry.