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SEAN C SUNDERMANN CRNA
NPI 1952577074
Nurse Anesthetist, Certified Registered in Sioux Falls, SD

Active since May 08, 2008Accepts Medicare Assignment
800 E 21ST ST, SIOUX FALLS, SD 57105(605) 322-2754(605) 322-2727 Get Directions Write a Review

NPPES record last updated: March 18, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Sean C Sundermann Crna NPPES

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

SEAN C SUNDERMANN CRNA (NPI 1952577074) is an individual nurse anesthetist, certified registered in Sioux Falls, South Dakota, licensed in South Dakota (SD-CRNA CR000696) and active in the NPI registry since May 2008. He is affiliated with Brookings Health System and is a graduate of Other (2008).

NPPES Registry Identity

NPI1952577074
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameSEAN C SUNDERMANNCredential: CRNA
Location Address800 E 21ST STSioux Falls, SD 57105-1016
Mailing AddressPo Box 5045, Attn: P.f.s.Sioux Falls, SD 57117-5045 · (605) 322-2754 · Fax (605) 322-2727
Phone(605) 322-2754
Fax(605) 322-2727
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateMay 8, 2008
Last NPPES UpdateMarch 18, 2011
✔ NPI 1952577074 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in SD · SD-CRNA CR000696
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
800 E 21ST ST, Sioux Falls, SD 57105
Open in Google Maps ↗

Other Identifiers 6

Medicaid5755890SD
Other9261973Dakotacare
OtherP00892216SD · Railroad Medicare
Medicaid46022474348NE
Medicaid1952577074IA
Medicare PINS102467SD

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc., Wellmark of South Dakota, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sean C Sundermann Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163592015
PECOS Enrollment IDI20080603000852

Medicare Billing Reassignments

3

Medicare enrollment records show Sean Sundermann reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Avera Mckennan
Same address
Diagnostic Radiology
1325 S CLIFF AVE
Sioux Falls, SD 57105
  • Reassigned Medicare billing, South Dakota enrollment
  • 1,277 clinicians in this Medicare group
NPI 1053680678 (605) 322-1600
City Of Brookings
53 mi
Multi-Specialty
310 22ND AVENUE
Brookings, SD 57006
  • Reassigned Medicare billing, South Dakota enrollment
  • 156 clinicians in this Medicare group
NPI 1982057246 (605) 696-9000
Avera St. Mary's
189 mi
Physical Therapist
1211 E WELLS AVE
Pierre, SD 57501
  • Reassigned Medicare billing, South Dakota enrollment
  • Medicare enrollment name: Avera St Marys
  • 197 clinicians in this Medicare group
NPI 1972082683 (605) 224-3100

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
16 services16 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
13 services13 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
13 services13 patients
Anesthesia for other procedure on lower leg, ankle, and foot bones 01480
Anesthesia for procedures on lower leg, ankle, and foot bones involves administering medication to block pain and sensation in these areas. This allows doctors to perform necessary treatments or surgeries without causing discomfort. The type of anesthesia used can vary based on the specific procedure.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Brookings Health System

Acute Care Hospitals · Brookings, SD
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number430008
Location300 22nd AveBrookings, SD 57006 · Brookings County
Emergency services Birthing friendly

Avera Mckennan Hospital & University Health Center

Acute Care Hospitals · Sioux Falls, SD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430016
Location1325 S Cliff AveSioux Falls, SD 57117 · Minnehaha County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.78 typical visit price
range $55.52 – $167.23
Typical copayment $31.69 (range $13.88 – $41.80)
Most-billed visit code 99204
Established Patient
$69.20 typical visit price
range $18.08 – $137.08
Typical copayment $17.30 (range $4.52 – $34.27)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

JOHN A LYLE CRNA
Nurse Anesthetist, Certified Registered
800 E 21ST ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-2754
NINA KAPPES RDLN
Dietitian, Registered
800 E 21ST ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-8775
DONALD J KOSIAK JR. MD
Emergency Medicine
800 E 21ST ST, EMERGENCY DEPT
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-2000
STARR LYNN RAUCH CRNA
Nurse Anesthetist, Certified Registered
800 E 21ST ST, AVERA MCKENNAN ANESTHESIOLOGY
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-2754
MRS. RUTH ELAINE FAWCETT PT
Physical Therapist
800 E 21ST ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-5000
JON C WEBER CRNA
Nurse Anesthetist, Certified Registered
800 E 21ST ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-2754
STEPHAN KULZER
Occupational Therapist (Hand)
800 E 21ST ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-5000
KARA J DOUGHERTY CRNA
Nurse Anesthetist, Certified Registered
800 E 21ST ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 322-2754

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 Sean Sundermann's NPI number?

The NPI number for Sean Sundermann is 1952577074. It was assigned to this individual provider in the NPPES registry on May 8, 2008.

Where is Sean Sundermann located?

Sean Sundermann practices at 800 E 21st St, Sioux Falls, SD 57105. The listed phone number is (605) 322-2754.

What is Sean Sundermann's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Sean Sundermann enrolled in Medicare?

Yes. Sean Sundermann is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Sean Sundermann's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Sundermann reassigns Medicare benefits to 3 organizations: Avera Mckennan (Sioux Falls, SD), City Of Brookings (Brookings, SD) and Avera St. Mary's (Pierre, SD). Each 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 Sean Sundermann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sean Sundermann accept?

Health plans from Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Sean Sundermann 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.

Is Sean Sundermann affiliated with any hospitals?

According to CMS data, Sean Sundermann is affiliated with Brookings Health System and Avera Mckennan Hospital & University Health Center.

When was this NPI record last updated?

The NPPES record for Sean Sundermann was last updated on March 18, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.