AVERA MCKENNAN
NPI 1033185582
Internal Medicine - Hematology & Oncology in Sioux Falls, SD
About Avera Mckennan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AVERA MCKENNAN (NPI 1033185582), doing business as Avera Medical Group Oncology And Hematology Sioux Falls, is a healthcare organization registered as a hematology & oncology in Sioux Falls, South Dakota and active in the NPI registry since February 2006. The organization maintains a secondary practice location in Yankton and lists David J Flicek, Ceo/president, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 2
Secondary Practice Location 1
Other Identifiers 9
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Avera Mckennan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
1,349Medicare enrollment records show 1,349 clinicians reassign Medicare billing to Avera Mckennan, which bills Medicare for the services they deliver. Of these, 75 practice at this address and 768 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 59
Nearest to this location (20)
See all 1,349Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Avera Mckennan's NPI number?
The NPI number for Avera Mckennan is 1033185582. It was assigned to this organization in the NPPES registry on February 24, 2006. The provider is doing business as Avera Medical Group Oncology and Hematology Sioux Falls and Avera Oncology and Hematology Sioux Falls.
Where is Avera Mckennan located?
Avera Mckennan is located at 1000 E 23rd St Ste 230, Sioux Falls, SD 57105. The listed phone number is (605) 322-6900.
What is Avera Mckennan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Avera Mckennan enrolled in Medicare?
Yes. Avera Mckennan is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Avera Mckennan?
According to the CMS Revalidation Reassignment List (October 2026 release), 1,349 clinicians in 59 Medicare specialties reassign their Medicare billing to Avera Mckennan. A 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 the clinician's services. The largest specialties are Nurse Practitioner (292), Family Practice (130) and Certified Registered Nurse Anesthetist (CRNA) (115). Of these, 75 practice at this address and 768 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Avera Mckennan accept?
Health plans from Medica list Avera Mckennan 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 Avera Mckennan was last updated on March 12, 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.
# Avera Mckennan · NPI 1033185582
Hematology & Oncology organization in Sioux Falls, South Dakota. Organization record, active in the CMS NPPES registry since February 24, 2006.
## Identity
- **NPI:** 1033185582 (Entity type: Organization)
- **Enumerated:** February 24, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Also known as:** Avera Medical Group Oncology and Hematology Sioux Falls (Doing Business As); Avera Oncology and Hematology Sioux Falls (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** David Flicek, CEO/PRESIDENT
## Practice location
- **Address:** 1000 E 23RD ST STE 230, Sioux Falls, SD 57105-2122
- **Phone:** (605) 322-6900 · **Fax:** (605) 322-6901
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1,349 clinicians in 59 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (292), Family Practice (130), Certified Registered Nurse Anesthetist (CRNA) (115); 75 practice at this address and 768 within 10 miles; [full list](https://npiprofile.com/npi/1033185582/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 12, 2026
- **Other identifiers:** Other 83314 (SD); Other 370S8ME (MN); Other 92411422903 (MN); and 6 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1033185582) · Data from the CMS NPPES public registry.