AVERA ST. LUKE'S
NPI 1215100813
Internal Medicine in Aberdeen, SD

Q: What is Avera St. Luke's's NPI number?

The NPI number for Avera St. Luke's is 1215100813. It was assigned to this organization in the NPPES registry on April 4, 2008. The provider is doing business as Avera Internal Medicine Aberdeen, Avera Medical Group Internal Medicine Aberdeen and Avera Pulmonology Aberdeen.

Q: What is Avera St. Luke's's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Avera St. Luke's was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since April 04, 2008

105 S STATE ST STE 201, ABERDEEN, SD 57401(605) 622-5458(605) 622-5473 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 21, 2026, Feb 28, 2023, Aug 18, 2022 and 4 more (7 updates tracked since 2018).

On this page

About Avera St. Luke's NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AVERA ST. LUKE'S (NPI 1215100813), doing business as Avera Internal Medicine Aberdeen, is a healthcare organization registered as an internal medicine in Aberdeen, South Dakota and active in the NPI registry since April 2008. The organization maintains a secondary practice location in Aberdeen and lists Daniel J Bjerknes, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1215100813

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameAVERA ST. LUKE'S

Location Address105 S STATE ST STE 201Aberdeen, SD 57401-4502

Mailing AddressPo Box 86370Sioux Falls, SD 57118-6370 · (605) 322-4933 · Fax (605) 504-9489

Phone(605) 622-5458

Fax(605) 622-5473

Organization SubpartNo

Authorized OfficialDaniel J BjerknesPresident/ceo · (605) 622-5125

Enumeration DateApril 4, 2008

Last NPPES UpdateApril 21, 20267 updates tracked since enumeration

NPPES CertifiedApril 21, 2026

✔ NPI 1215100813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in SD · 10525

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedDietitian, RegisteredTaxonomy 133V00000X · License 10525 (SD)

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X

Also ListedHospitalistTaxonomy 208M00000X

105 S STATE ST STE 201, Aberdeen, SD 57401

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Other Names 3

Doing Business AsAvera Internal Medicine Aberdeen

Doing Business AsAvera Medical Group Internal Medicine Aberdeen

Doing Business AsAvera Pulmonology Aberdeen

Secondary Practice Location 1

Location 1201 S Lloyd St Ste 105Aberdeen, SD 57401-4552 · Phone (605) 622-2570 · Fax (605) 622-2571

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans.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 St. Luke's is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

258

Medicare enrollment records show 258 clinicians reassign Medicare billing to Avera St. Luke's, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 106 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 28

Nurse Practitioner32

Internal Medicine31

Anesthesiology27

Certified Registered Nurse Anesthetist (CRNA)25

Physical Therapist in Private Practice18

Family Practice15

Orthopedic Surgery13

Pathology12

20 other specialties85

Nearest to this location (20)

See all 258

Michele Hudson

Nurse Practitioner

NPI 1609535624

105 S STATE ST STE 113
Aberdeen, SD 57401

(605) 225-0378

✔ PECOS✔ Accepts MedicareSame address

Katie Duffney, MA, CCC-SLP

Qualified Speech Language Pathologist

NPI 1487421855

805 1ST AVE SE
Aberdeen, SD 57401

(605) 622-5878

✔ Accepts Medicare0.1 mi

Christa Weber, OT

Occupational Therapist in Private Practice

NPI 1245636406

805 1ST AVE SE
Aberdeen, SD 57401

(605) 622-5878

✔ Accepts Medicare0.1 mi

Angela Mackner, FNP-C

Nurse Practitioner

NPI 1275058216

201 S LLOYD ST STE W190
Aberdeen, SD 57401

(605) 225-0025

✔ PECOS✔ Accepts Medicare0.1 mi

Drew Geier, PT, DPT

Physical Therapist in Private Practice

NPI 1073444501

805 1ST AVE SE
Aberdeen, SD 57401

(605) 622-5878

✔ Accepts Medicare0.1 mi

Robert Cihak, M.D.

Otolaryngology

NPI 1528039765

820 1ST AVE SE STE 100
Aberdeen, SD 57401

(605) 622-5506

✔ PECOS✔ Accepts Medicare0.1 mi

Bari Fritz, MD

Pathology

NPI 1063715449

305 S STATE ST
Aberdeen, SD 57401

(605) 622-5000

✔ PECOS✔ Accepts Medicare0.2 mi

Lawrence Donley, MD

Emergency Medicine

NPI 1982753489

305 S STATE ST
Aberdeen, SD 57401

(605) 622-5100

✔ PECOS✔ Accepts Medicare0.2 mi

Alex Falk, MD

Family Practice

NPI 1366438814

305 S STATE ST
Aberdeen, SD 57401

(605) 622-5100

✔ PECOS✔ Accepts Medicare0.2 mi

Nona Gab, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1598848426

305 S STATE ST
Aberdeen, SD 57401

(605) 622-5000

✔ Accepts Medicare0.2 mi

Jill Larsen, M.D.

Anesthesiology

NPI 1992036701

305 S STATE ST
Aberdeen, SD 57401

(605) 622-5000

✔ PECOS✔ Accepts Medicare0.2 mi

Leslie Lenter, MD

Diagnostic Radiology

NPI 1245274109

305 S STATE ST
Aberdeen, SD 57401

(605) 622-5000

✔ PECOS✔ Accepts Medicare0.2 mi

Russell Pietz, MD

Internal Medicine

NPI 1790789543

305 S STATE ST
Aberdeen, SD 57401

(605) 622-5100

✔ PECOS✔ Accepts Medicare0.2 mi

Ryan Gnesda, D.O.

Interventional Radiology

NPI 1437425733

305 S STATE ST
Aberdeen, SD 57401

(605) 622-5540

✔ PECOS0.2 mi

Tage Born, MD

Obstetrics/Gynecology

NPI 1063596245

310 S PENN ST SUITE 204
Aberdeen, SD 57401

(605) 225-1636

✔ PECOS✔ Accepts Medicare0.2 mi

Richard Conklin, MD

Hematology/Oncology

NPI 1851394662

310 S PENN ST SUITE 105
Aberdeen, SD 57401

(605) 622-8700

✔ PECOS✔ Accepts Medicare0.2 mi

George Kiser, MD

Urology

NPI 1316935638

310 S PENN ST STE 202
Aberdeen, SD 57401

(605) 225-7326

✔ PECOS0.2 mi

Christopher Larson

General Surgery

NPI 1295990141

310 S PENN ST SUITE 201
Aberdeen, SD 57401

(605) 229-1367

✔ PECOS✔ Accepts Medicare0.2 mi

Chad Stapp, DPM

Podiatry

NPI 1952438996

310 S PENN ST STE 203
Aberdeen, SD 57401

(605) 622-2570

✔ PECOS✔ Accepts Medicare0.2 mi

Susheel Gundewar, M.D.

Cardiovascular Disease (Cardiology)

NPI 1639364581

310 S PENN ST STE 203
Aberdeen, SD 57401

(605) 622-2573

✔ PECOS✔ Accepts Medicare0.2 mi

See all 258 clinicians

Source: 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 St. Luke's's NPI number?

The NPI number for Avera St. Luke's is 1215100813. It was assigned to this organization in the NPPES registry on April 4, 2008. The provider is doing business as Avera Internal Medicine Aberdeen, Avera Medical Group Internal Medicine Aberdeen and Avera Pulmonology Aberdeen.

Where is Avera St. Luke's located?

Avera St. Luke's is located at 105 S State St Ste 201, Aberdeen, SD 57401. The listed phone number is (605) 622-5458.

What is Avera St. Luke's's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Avera St. Luke's enrolled in Medicare?

Yes. Avera St. Luke's is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Avera St. Luke's?

According to the CMS Revalidation Reassignment List (October 2026 release), 258 clinicians in 28 Medicare specialties reassign their Medicare billing to Avera St. Luke's. 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 (32), Internal Medicine (31) and Anesthesiology (27). Of these, 1 practice at this address and 106 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Avera St. Luke's accept?

Health plans from Avera Health Plans list Avera St. Luke's 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 St. Luke's was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.