AVERA MCKENNAN
NPI 1427090760
Clinic/Center in Gregory, SD

Active since June 12, 2006
110 S LOGAN AVE STE A, GREGORY, SD 57533(605) 835-9611(605) 835-8033 Get Directions Write a Review

NPPES record last updated: November 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 17, 2025, Feb 10, 2023 (2 updates tracked since 2023).

About Avera Mckennan NPPES

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

AVERA MCKENNAN (NPI 1427090760), doing business as Avera Medical Group Gregory, is a healthcare organization registered as a clinic/center in Gregory, South Dakota and active in the NPI registry since June 2006. The organization lists David William Flicek, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1427090760
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameAVERA MCKENNAN
Location Address110 S LOGAN AVE STE AGregory, SD 57533-1614
Mailing Address110 S Logan Ave Ste AGregory, SD 57533-1614 · (605) 835-9611 · Fax (605) 835-8033
Fax(605) 835-8033
Organization SubpartNo
Authorized OfficialDavid William FlicekPresident/ceo · (605) 322-7915
Enumeration DateJune 12, 2006
Last NPPES UpdateNovember 17, 20252 updates tracked since enumeration
NPPES CertifiedNovember 17, 2025
✔ NPI 1427090760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
Also ListedDurable Medical Equipment & Medical SuppliesTaxonomy 332B00000X
110 S LOGAN AVE STE A, Gregory, SD 57533

Other Names 1

Doing Business AsAvera Medical Group Gregory

Other Identifiers 2

Medicaid46011474312NE
Other0000028SD · Wellmark Bc/bs

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

1,275

Medicare enrollment records show 1,275 clinicians reassign Medicare billing to Avera Mckennan, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 10 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 59

Nurse Practitioner268
Certified Registered Nurse Anesthetist (CRNA)115
Internal Medicine108
Family Practice107
Pediatric Medicine74
Physical Therapist in Private Practice67
Emergency Medicine49
Obstetrics/Gynecology45
51 other specialties442

Nearest to this location (20)

See all 1,275
Family Practice
NPI 1912962788
110 S LOGAN AVE STE A
Gregory, SD 57533
(605) 835-9611
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1952956328
110 S LOGAN AVE STE A
Gregory, SD 57533
(605) 835-9611
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1841256047
110 S LOGAN AVE STE A
Gregory, SD 57533
(605) 835-9611
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1588629760
110 S LOGAN AVE STE A
Gregory, SD 57533
(605) 835-9611
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1982084521
110 S LOGAN AVE STE A
Gregory, SD 57533
(605) 835-9611
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1962651653
405 WHITTECAR AVE
Gregory, SD 57533
(605) 835-9611
✔ PECOS✔ Accepts Medicare0.6 mi
Nurse Practitioner
NPI 1235430042
405 WHITTECAR AVE
Gregory, SD 57533
(605) 835-9611
✔ PECOS✔ Accepts Medicare0.6 mi
Family Practice
NPI 1427017607
110 S LOGAN AVE STE A
Gregory, SD 57533
(605) 835-9611
✔ PECOS✔ Accepts Medicare0.7 mi
Emergency Medicine
NPI 1891748299
110 S LOGAN AVE
Gregory, SD 57533
(605) 835-9611
✔ PECOS✔ Accepts Medicare0.7 mi
Nurse Practitioner
NPI 1790732600
809 JACKSON ST
Burke, SD 57523
(605) 775-2631
✔ PECOS✔ Accepts Medicare7.2 mi
Nurse Practitioner
NPI 1750331591
1436 E 10TH ST STE 2
Winner, SD 57580
(605) 842-2443
✔ PECOS23 mi
Family Practice
NPI 1780764167
825 E 8TH ST
Winner, SD 57580
(605) 842-2626
✔ PECOS✔ Accepts Medicare25 mi
Nurse Practitioner
NPI 1992367429
660 W 2ND ST
Winner, SD 57580
(605) 842-2443
✔ PECOS✔ Accepts Medicare25 mi
Family Practice
NPI 1164874368
601 E 7TH ST
Platte, SD 57369
(605) 337-1501
✔ PECOS✔ Accepts Medicare32 mi
Nurse Practitioner
NPI 1104426337
300 S BYRON BLVD
Chamberlain, SD 57325
(605) 234-6551
✔ PECOS✔ Accepts Medicare39 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1144587932
300 S BYRON BLVD
Chamberlain, SD 57325
(605) 680-4677
✔ Accepts Medicare39 mi
Clinical Social Worker
NPI 1972231751
513 3RD ST SW
Wagner, SD 57380
(605) 384-3611
✔ PECOS✔ Accepts Medicare58 mi
Infectious Disease
NPI 1356697916
1900 GRASSLAND DR
Mitchell, SD 57301
(605) 299-6051
✔ PECOS75 mi
Obstetrics/Gynecology
NPI 1295363463
1900 GRASSLAND DR
Mitchell, SD 57301
(214) 820-0111
✔ PECOS✔ Accepts Medicare77 mi
Neurology
NPI 1003823410
1415 N SANBORN BLVD
Mitchell, SD 57301
(605) 990-2178
✔ PECOS✔ Accepts Medicare78 mi
See all 1,275 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 Mckennan's NPI number?

The NPI number for Avera Mckennan is 1427090760. It was assigned to this organization in the NPPES registry on June 12, 2006. The provider is doing business as Avera Medical Group Gregory.

Where is Avera Mckennan located?

Avera Mckennan is located at 110 S Logan Ave Ste A, Gregory, SD 57533. The listed phone number is (605) 835-9611.

What is Avera Mckennan's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

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), 1,275 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 (268), Certified Registered Nurse Anesthetist (CRNA) (115) and Internal Medicine (108). Of these, 5 practice at this address and 10 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 Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Avera Health Plans and Blue Cross and Blue Shield of Nebraska 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 November 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.