1. Home
  2. Directory
  3. South Dakota
  4. Sioux Falls
  5. Internal Medicine
  6. NPI Profile

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

Active since February 24, 2006CLIA 43D0658878 · Accreditation
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: October 18, 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 holds an CLIA Accreditation certificate valid through February 27, 2027, 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
Open in Google Maps ↗

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 Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware and more.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

1,349

Medicare 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

Nurse Practitioner292
Family Practice130
Certified Registered Nurse Anesthetist (CRNA)115
Internal Medicine111
Pediatric Medicine80
Physical Therapist in Private Practice67
Obstetrics/Gynecology51
Emergency Medicine49
51 other specialties454

Nearest to this location (20)

See all 1,349
Mohammad Ammad Ud Din, MD
Hematopoietic Cell Transplantation and Cellular Therapy
NPI 1770144339
1000 E 23RD ST STE 200
Sioux Falls, SD 57105
(605) 322-3035
✔ PECOS✔ Accepts MedicareSame address
Alyssa Anderson, NP-C
Nurse Practitioner
NPI 1952659906
1000 E 23RD ST STE 230
Sioux Falls, SD 57105
(605) 322-6900
✔ PECOS✔ Accepts MedicareSame address
Kyle Arneson, M.D.
Radiation Oncology
NPI 1760625768
1000 E 23RD ST STE 100
Sioux Falls, SD 57105
(605) 322-1625
✔ PECOS✔ Accepts MedicareSame address
Carrie Ensz
Nurse Practitioner
NPI 1538873302
1000 E 23RD ST STE 100
Sioux Falls, SD 57105
(605) 322-1625
✔ PECOS✔ Accepts MedicareSame address
Roberto Ferro Valdes, M.D.
Hematology/Oncology
NPI 1861780108
1000 E 23RD ST STE 200
Sioux Falls, SD 57105
(605) 322-3035
✔ PECOS✔ Accepts MedicareSame address
Nara Judd, MD, MBA
General Surgery
NPI 1437610920
1000 E 23RD ST STE 360
Sioux Falls, SD 57105
(605) 322-3950
✔ PECOS✔ Accepts MedicareSame address
Brenda Ling, MSW, CSW-PIP
Clinical Social Worker
NPI 1265930184
1000 E 23RD ST
Sioux Falls, SD 57105
(605) 322-1554
✔ PECOS✔ Accepts MedicareSame address
Vinod Parameswaran, M.D.
Hematology
NPI 1013983352
1000 E. 23RD ST. STE. 200
Sioux Falls, SD 57105
(605) 322-3035
✔ PECOSSame address
David Starks, MD
Gynecological Oncology
NPI 1871751867
1000 E. 23RD ST. STE. 350
Sioux Falls, SD 57105
(605) 322-7535
✔ PECOS✔ Accepts MedicareSame address
Ryan Vaca, M.D.
Medical Oncology
NPI 1700222148
1000 E 23RD ST STE 230
Sioux Falls, SD 57105
(605) 322-6900
✔ PECOS✔ Accepts MedicareSame address
Shola Aluko, M.D.
Internal Medicine
NPI 1487898540
1417 S CLIFF AVE STE 610
Sioux Falls, SD 57105
(605) 322-8920
✔ PECOS✔ Accepts MedicareSame address
Sami Awadallah, M.D.
Cardiovascular Disease (Cardiology)
NPI 1265408728
1417 S. CLIFF AVE STE. 010
Sioux Falls, SD 57105
(605) 322-3666
✔ PECOS✔ Accepts MedicareSame address
Bruce Banwart, MD
Pediatric Medicine
NPI 1811945439
1417 S CLIFF AVE STE 201
Sioux Falls, SD 57105
(605) 322-3666
✔ PECOSSame address
Haley Brown, M.S.,CCC-SLP
Qualified Speech Language Pathologist
NPI 1649819905
1417 S CLIFF AVE STE 300
Sioux Falls, SD 57105
(605) 504-3042
✔ Accepts MedicareSame address
Laura Figura, MD
Plastic and Reconstructive Surgery
NPI 1740490499
1417 S CLIFF AVE STE 200
Sioux Falls, SD 57105
(605) 322-4130
✔ PECOS✔ Accepts MedicareSame address
Jacob Grass, AUD
Qualified Audiologist
NPI 1053160069
1417 S CLIFF AVE PLAZA 1 SUITE 300
Sioux Falls, SD 57105
(605) 504-3020
✔ Accepts MedicareSame address
Courtney Heynen, CNM
Certified Nurse Midwife (CNM)
NPI 1952308397
1417 S. CLIFF AVE. STE. 401
Sioux Falls, SD 57105
(605) 322-8920
✔ PECOSSame address
Mark Jameson, MD PHD
Otolaryngology
NPI 1073564993
1417 S CLIFF AVE STE 300
Sioux Falls, SD 57105
(605) 504-3000
✔ PECOS✔ Accepts MedicareSame address
Brenda Kallemeyn, MD
Obstetrics/Gynecology
NPI 1144237280
1417 S. CLIFF AVE STE 200
Sioux Falls, SD 57105
(605) 322-6675
✔ PECOS✔ Accepts MedicareSame address
Cristina Hill Jensen, M.D.
Gastroenterology
NPI 1760691794
1417 S CLIFF AVE STE 300
Sioux Falls, SD 57105
(605) 322-8630
✔ PECOS✔ Accepts MedicareSame address
See all 1,349 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 43D0658878

Avera Mckennan Hospital · Sioux Falls, SD
Active · expires Feb 27, 2027
CLIA Number43D0658878
Laboratory TypeHospital
Certificate Effective DateFebruary 28, 2025
Certificate Expiration DateFebruary 27, 2027
Laboratory DirectorDr. Raed A. Sulaiman
Laboratory Phone(605) 322-7123
Laboratory LocationAvera Mckennan Hospital1301 South Cliff Avenue Box 5045, Sioux Falls, SD 57105
CLIA data matches this NPI record on: Name
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

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.

Does Avera Mckennan hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 43D0658878) is associated with this NPI, valid through February 27, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Avera Mckennan accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan and Avera Health Plans 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 7 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.