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AVERA ST. MARY'S HOSPITAL
NPI 1669457180
General Acute Care Hospital in Pierre, SD

Active since December 07, 2005
4/5
Hospital Overall Rating
801 E SIOUX AVE, PIERRE, SD 57501(605) 224-3100(605) 224-8339 Get Directions Write a Review

NPPES record last updated: July 15, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 15, 2022, Jul 6, 2021, Aug 4, 2017 and 1 more (4 updates tracked since 2016).

About Avera St. Mary's Hospital NPPES

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

AVERA ST. MARY'S HOSPITAL (NPI 1669457180) is a healthcare organization registered as a general acute care hospital in Pierre, South Dakota and active in the NPI registry since December 2005. The organization lists Mikel Holland, Ceo/president, as its authorized official.

NPPES Registry Identity

NPI1669457180
Entity TypeOrganization
Primary Taxonomy282N00000X
Legal Business NameAVERA ST MARYS
Location Address801 E SIOUX AVEPierre, SD 57501-3323
Mailing AddressPo Box 5045, Ste Pfs Prov EnrollmentSioux Falls, SD 57117-5045 · (605) 322-6428
Phone(605) 224-3100
Fax(605) 224-8339
Organization SubpartNo
Authorized OfficialMikel HollandCeo/president · (605) 224-3144
Enumeration DateDecember 7, 2005
Last NPPES UpdateJuly 15, 20224 updates tracked since enumeration
NPPES CertifiedJuly 15, 2022
✔ NPI 1669457180 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral Acute Care HospitalHospitals
Taxonomy Code282N00000X
License✔ Licensed in SD · 10556
Definition
An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.
801 E SIOUX AVE, Pierre, SD 57501
Open in Google Maps ↗

Other Names 1

Doing Business AsAvera St. Mary's Hospital

Other Identifiers 3

Medicaid0100150SD
Other80015Bcbs
Medicaid5500150SD

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 St. Mary's Hospital is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

197

Medicare enrollment records show 197 clinicians reassign Medicare billing to Avera St. Mary's Hospital, which bills Medicare for the services they deliver. Of these, 15 practice at this address and 64 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 24

Certified Registered Nurse Anesthetist (CRNA)43
Nurse Practitioner43
Family Practice22
Internal Medicine21
Obstetrics/Gynecology12
Radiation Oncology9
Physical Therapist in Private Practice7
Emergency Medicine6
16 other specialties34

Nearest to this location (20)

See all 197
Nielsen Burns, M.D.
Family Practice
NPI 1528408176
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3177
✔ PECOS✔ Accepts MedicareSame address
Justin Cassels, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1659110351
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3100
✔ Accepts MedicareSame address
Teddi Dowling
Nurse Practitioner
NPI 1457019283
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3370
✔ PECOS✔ Accepts MedicareSame address
Sierra Irwin
Physical Therapist in Private Practice
NPI 1750900528
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3162
✔ Accepts MedicareSame address
Alyssa Kahler, CNP
Nurse Practitioner
NPI 1598416653
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3100
✔ PECOS✔ Accepts MedicareSame address
Jalen Lamb
Family Practice
NPI 1487235008
801 E SIOUX AVE
Pierre, SD 57501
(605) 945-5267
✔ PECOS✔ Accepts MedicareSame address
Mary Lopour, CNP
Nurse Practitioner
NPI 1699444315
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3100
✔ PECOS✔ Accepts MedicareSame address
Timmi Lunsford Hutchison, DO
Emergency Medicine
NPI 1366026387
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3177
✔ PECOSSame address
Michael Murphy, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1780240994
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3100
✔ Accepts MedicareSame address
Sarah Speck
Nurse Practitioner
NPI 1124784103
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3100
✔ PECOS✔ Accepts MedicareSame address
Clinton Walls, M.D.
Family Practice
NPI 1811376411
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3100
✔ PECOS✔ Accepts MedicareSame address
Logan Widvey, PT
Physical Therapist in Private Practice
NPI 1649047754
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3162
✔ Accepts MedicareSame address
Kevin Yackley, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1447553938
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3100
✔ PECOS✔ Accepts MedicareSame address
Maari Labrie, RN
Nurse Practitioner
NPI 1770948150
801 E SIOUX AVE
Pierre, SD 57501
(605) 222-7562
✔ PECOSSame address
Erica Trebesch, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1104280296
801 E SIOUX AVE
Pierre, SD 57501
(605) 224-3100
✔ PECOS✔ Accepts MedicareSame address
Joanne Sarringar, PT
Physical Therapist in Private Practice
NPI 1841779758
801 E. SIOUX AVENUE
Pierre, SD 57501
(605) 224-3162
✔ Accepts Medicare0.1 mi
Brandt Becker, M.D.
General Surgery
NPI 1538321708
100 MAC LN
Pierre, SD 57501
(605) 224-5901
✔ PECOS✔ Accepts Medicare0.1 mi
Julie Cox, CNP
Nurse Practitioner
NPI 1063857233
100 MAC LN
Pierre, SD 57501
(605) 224-5901
✔ PECOS✔ Accepts Medicare0.1 mi
Joyce Fletcher, M.D.
Dermatology
NPI 1528327798
100 MAC LN
Pierre, SD 57501
(605) 945-5901
✔ PECOS✔ Accepts Medicare0.1 mi
Nick Jung, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1487063574
100 MAC LN
Pierre, SD 57501
(605) 224-5901
✔ Accepts Medicare0.1 mi
See all 197 clinicians

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

Hospital Quality Ratings CMS Care Compare

Quality and patient-experience ratings for Avera St Mary's Hospital (CMS certification number 430015), from CMS Care Compare.

Avera St Mary's Hospital

Acute Care Hospitals · Pierre, SD
4/5 CMS Overall Rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430015
Location801 E SiouxPierre, SD 57501 · Hughes County · (605) 224-3100
Emergency services Birthing friendly Meaningful use of EHRs

Patient Experience

HCAHPS patient survey · Jan 2023 – Dec 2023
3/5 summary rating
Nurse communication
3/5
Doctor communication
3/5
Staff responsiveness
4/5
Communication about medicines
3/5
Discharge information
3/5
Care transition
3/5
Cleanliness
3/5
Quietness
3/5
Overall hospital rating
3/5
Recommend hospital
3/5
Star ratings summarize responses from patients surveyed after discharge, collected through the CMS HCAHPS program.

Complications & Deaths 18

Rate of complications for hip/knee replacement patients
3.7 No different than national
Death rate for heart attack patients
Cases too small to report
Death rate for COPD patients
9.9% No different than national
Death rate for heart failure patients
14.5% No different than national
Death rate for pneumonia patients
19.1% No different than national
Death rate for stroke patients
12.7% No different than national

Infections 1

Clostridium Difficile (C.Diff)
4 observed cases · 3.313 predicted · 6,596 patient days
1.207 No different than national

Unplanned Hospital Visits 13

Hospital return days for heart attack patients
Cases too small to report
Hospital return days for heart failure patients
52 days per 100 discharges
Hospital return days for pneumonia patients
101 days per 100 discharges
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)
655 No different than national
Rate of inpatient admissions for patients receiving outpatient chemotherapy
105 No different than national
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy
105 No different than national

Timely & Effective Care 13

Emergency department volume
Low
Percentage of healthcare personnel who are up to date with COVID-19 vaccinations
1.8%
Healthcare workers given influenza vaccination
72%
Average (median) time patients spent in the emergency department before leaving from the visit A lower number of minutes is better
113 minutes
Average (median) time patients spent in the emergency department before leaving from the visit- Psychiatric/Mental Health Patients. A lower number of minutes is better
158 minutes
Left before being seen
0%

Maternal Health 5

Elective Delivery
28%
Maternal Morbidity Structural Measure
Yes
Cesarean Birth
118
Risk Adjusted Severe Obstetric Complications (All)
406
Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases)
406

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 Marys's NPI number?

The NPI number for Avera St Marys is 1669457180. It was assigned to this organization in the NPPES registry on December 7, 2005. The provider is doing business as Avera St. Mary's Hospital.

Where is Avera St Marys located?

Avera St Marys is located at 801 E Sioux Ave, Pierre, SD 57501. The listed phone number is (605) 224-3100.

What is Avera St Marys's specialty?

The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.

Is Avera St Marys enrolled in Medicare?

Yes. Avera St Marys is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Avera St Marys?

According to the CMS Revalidation Reassignment List (October 2026 release), 197 clinicians in 24 Medicare specialties reassign their Medicare billing to Avera St Marys. 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 Certified Registered Nurse Anesthetist (CRNA) (43), Nurse Practitioner (43) and Family Practice (22). Of these, 15 practice at this address and 64 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Is Avera St Marys a Medicare-certified hospital?

Yes. Avera St Mary's Hospital is a Medicare-certified hospital (Acute Care Hospitals). The hospital provides emergency services.

What quality rating does Avera St Marys have?

CMS rates Avera St Mary's Hospital 4 out of 5 stars overall on Care Compare, based on measures of safety, patient experience and outcomes. The full measure detail is in the Hospital Quality Ratings section above.

What insurance does Avera St Marys accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Avera Health Plans and Oscar Insurance Company and 2 other insurers list Avera St Marys 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 Marys was last updated on July 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.