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AVERA MCKENNAN
NPI 1033185582
Internal Medicine - Hematology & Oncology in Sioux Falls, SD

Active since February 24, 2006
1000 E 23RD ST STE 230, SIOUX FALLS, SD 57105(605) 322-6900(605) 322-6901 Get Directions Write a Review

NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 12, 2026, Nov 21, 2023, Oct 24, 2018 (3 updates tracked since 2018).

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

NPI1033185582
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameAVERA MCKENNAN
Location Address1000 E 23RD ST STE 230Sioux Falls, SD 57105-2122
Mailing AddressPo Box 86370Sioux Falls, SD 57118-6370 · (605) 322-7510 · Fax (605) 322-6475
Phone(605) 322-6900
Fax(605) 322-6901
Organization SubpartNo
Authorized OfficialDavid J FlicekCeo/president · (605) 322-8000
Enumeration DateFebruary 24, 2006
Last NPPES UpdateMarch 12, 20263 updates tracked since enumeration
NPPES CertifiedMarch 12, 2026
✔ NPI 1033185582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
1000 E 23RD ST STE 230, Sioux Falls, SD 57105
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Other Names 2

Doing Business AsAvera Medical Group Oncology And Hematology Sioux Falls
Doing Business AsAvera Oncology And Hematology Sioux Falls

Secondary Practice Location 1

Location 1501 Summit St Ste 400Yankton, SD 57078-3855 · Phone (605) 655-1800

Other Identifiers 9

Other83314SD · Healthpartners
Other370S8MEMN · Blue Plus
Other92411422903MN · Primewest
Other370624200SD · Dept Of Labor
Medicaid185582400MN
Other370S8MEMN · Bcbs
Other0040098SD · Bcbs
Medicaid0555797IA
Other125K2MEMN · Bcbs In Mn

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ISABELLE JOFFER CNP
Nurse Practitioner
1000 E 23RD ST STE 230
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-6900
ASHLEY MARTINMAAS PA-C
Physician Assistant
1000 E 23RD ST STE 230
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-6900
DR. HOUMAN NOURKEYHANI M.D.
Internal Medicine (Hematology & Oncology)
1000 E 23RD ST STE 230
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-4996
DR. RYAN ANTHONY VACA M.D.
Internal Medicine (Hematology & Oncology)
1000 E 23RD ST STE 230
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-6900
MRS. ALYSSA BETH ANDERSON NP-C
Nurse Practitioner (Family)
1000 E 23RD ST STE 230
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-6900

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.

What insurance does Avera Mckennan accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and Avera Health Plans and 1 other insurer 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 5 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.