ANTHONY PAUL FIEGEN MD
NPI 1659877736
Orthopaedic Surgery in Sioux Falls, SD
About Anthony Paul Fiegen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANTHONY PAUL FIEGEN MD (NPI 1659877736) is an individual orthopaedic surgery provider in Sioux Falls, South Dakota, licensed in South Dakota (15341) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Avera Mckennan Hospital & University Health Center, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Anthony Paul Fiegen Md 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 Anthony Fiegen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tea, SD 57064
- Reassigned Medicare billing, Iowa and South Dakota enrollments
- 7 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 3
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Avera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDSioux Falls Specialty Hospital
Acute Care Hospitals · Sioux Falls, SDMadison Regional Health System
Critical Access Hospitals · Madison, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57105 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 57105
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 Anthony Fiegen's NPI number?
The NPI number for Anthony Fiegen is 1659877736. It was assigned to this individual provider in the NPPES registry on April 5, 2018.
Where is Anthony Fiegen located?
Anthony Fiegen practices at 810 E 23rd St, Sioux Falls, SD 57105. The listed phone number is (605) 331-5890.
What is Anthony Fiegen's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Anthony Fiegen enrolled in Medicare?
Yes. Anthony 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 organization bills Medicare for Anthony Fiegen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Fiegen reassigns Medicare benefits to Orthopedic Institute PC (Tea, 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 Anthony Fiegen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anthony Fiegen accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Sanford Health Plan and 2 other insurers list Anthony 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.
Is Anthony Fiegen affiliated with any hospitals?
According to CMS data, Anthony Fiegen is affiliated with Avera Mckennan Hospital & University Health Center, Sioux Falls Specialty Hospital and Madison Regional Health System.
When was this NPI record last updated?
The NPPES record for Anthony Fiegen was last updated on May 6, 2024. 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.
# Anthony Paul Fiegen, MD · NPI 1659877736
Orthopaedic Surgery physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since April 5, 2018.
## Identity
- **NPI:** 1659877736 (Entity type: Individual)
- **Enumerated:** April 5, 2018
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 15341 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 810 E 23RD ST, Sioux Falls, SD 57105-2135
- **Phone:** (605) 331-5890 · **Fax:** (605) 271-7617
## 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:** Orthopedic Institute PC (NPI 1245263326, Tea, SD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** May 6, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1659877736) · Data from the CMS NPPES public registry.