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ANESTHESIOLOGY ASSOCIATES, INC.
NPI 1477622215
Specialist in Sioux Falls, SD

Active since November 07, 2006
1100 E 26TH ST, SIOUX FALLS, SD 57105(605) 338-7098(605) 335-3505 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Anesthesiology Associates, Inc. NPPES

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

ANESTHESIOLOGY ASSOCIATES, INC. (NPI 1477622215) is a healthcare organization registered as a specialist in Sioux Falls, South Dakota and active in the NPI registry since November 2006. The organization lists Thomas D Schwebach, Business Administrator, as its authorized official.

NPPES Registry Identity

NPI1477622215
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameANESTHESIOLOGY ASSOCIATES, INC.
Location Address1100 E 26TH STSioux Falls, SD 57105-4023
Mailing Address6900 S Lyncrest PlSioux Falls, SD 57108-2565 · (605) 338-7098 · Fax (605) 335-3505
Phone(605) 338-7098
Fax(605) 335-3505
Organization SubpartNo
Authorized OfficialThomas D SchwebachBusiness Administrator · (605) 338-7098
Enumeration DateNovember 7, 2006
Last NPPES UpdateApril 16, 2026
NPPES CertifiedApril 16, 2026
✔ NPI 1477622215 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
1100 E 26TH ST, Sioux Falls, SD 57105
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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 Avera Health Plans, Sanford Health Plan.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)

Anesthesiology Associates, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

38

Medicare enrollment records show 38 clinicians reassign Medicare billing to Anesthesiology Associates, Inc., which bills Medicare for the services they deliver. Of these, 26 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 3

Anesthesiology29
Certified Registered Nurse Anesthetist (CRNA)8
Nurse Practitioner1

Nearest to this location (20)

See all 38
Heidi Underwood, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1497174593
1305 W. 18TH STREET
Sioux Falls, SD 57117
(605) 328-6548
✔ Accepts Medicare0.5 mi
Jay Steinke, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1255326971
800 E 21ST ST
Sioux Falls, SD 57105
(605) 322-2754
✔ PECOS✔ Accepts Medicare1.2 mi
Katie Lemier, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1376939132
1325 S CLIFF AVE ANESTHESIA DEPT
Sioux Falls, SD 57105
(605) 322-2754
✔ Accepts Medicare1.2 mi
Katherine Wackel, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1386819472
1325 S CLIFF AVE
Sioux Falls, SD 57105
(605) 322-8000
✔ Accepts Medicare1.2 mi
Danielle Hart, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1285250548
1325 S CLIFF AVE
Sioux Falls, SD 57105
(605) 322-2796
✔ Accepts Medicare1.2 mi
David Munce, MD
Anesthesiology
NPI 1013957646
1100 E 26TH ST
Sioux Falls, SD 57105
(605) 338-7098
✔ PECOS✔ Accepts Medicare1.3 mi
Dean Dewald, M.D.
Anesthesiology
NPI 1972576023
1100 E 26TH ST
Sioux Falls, SD 57105
(605) 338-7098
✔ PECOS✔ Accepts Medicare1.3 mi
Matthew Naatjes, MD
Anesthesiology
NPI 1871857839
1100 E 26TH ST
Sioux Falls, SD 57105
(605) 338-7098
✔ PECOS✔ Accepts Medicare1.3 mi
Brian Devries, MD
Anesthesiology
NPI 1225107055
1100 E 26TH ST
Sioux Falls, SD 57105
(605) 338-7098
✔ PECOS✔ Accepts Medicare1.3 mi
Gregory Niederauer, MD
Anesthesiology
NPI 1447471412
1100 E 26TH ST
Sioux Falls, SD 57105
(605) 338-7098
✔ PECOS✔ Accepts Medicare1.3 mi
James Saloum, MD
Anesthesiology
NPI 1164621876
1100 E 26TH ST
Sioux Falls, SD 57105
(605) 339-0002
✔ PECOS✔ Accepts Medicare1.3 mi
Ryan Schellpfeffer, MD
Anesthesiology
NPI 1205982972
1100 E 26TH ST
Sioux Falls, SD 57105
(605) 338-7098
✔ PECOS✔ Accepts Medicare1.3 mi
Seth Schramm, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1194160390
1100 E 26TH ST
Sioux Falls, SD 57105
(605) 338-7098
✔ Accepts Medicare1.3 mi
Kevin Strom, MD
Anesthesiology
NPI 1801836481
1100 E 26TH ST
Sioux Falls, SD 57105
(605) 338-7098
✔ PECOS✔ Accepts Medicare1.3 mi
Rachelle Sutton, M.D.
Anesthesiology
NPI 1215043336
1100 E 26TH ST
Sioux Falls, SD 57105
(605) 338-7098
✔ PECOS✔ Accepts Medicare1.3 mi
Katherine Vandemark, M.D.
Anesthesiology
NPI 1699894501
1100 E 26TH ST
Sioux Falls, SD 57105
(605) 338-7098
✔ PECOS✔ Accepts Medicare1.3 mi
Ty White, MD
Anesthesiology
NPI 1396816930
1100 E 26TH ST
Sioux Falls, SD 57105
(605) 338-7098
✔ PECOS✔ Accepts Medicare1.3 mi
Christie Brown Munoz, M.D.
Anesthesiology
NPI 1710150867
601 S CLIFF AVE STE A
Sioux Falls, SD 57104
(605) 338-7098
✔ PECOS✔ Accepts Medicare1.6 mi
Michael Fee, MD
Anesthesiology
NPI 1659329787
601 S CLIFF AVE
Sioux Falls, SD 57104
(605) 322-2790
✔ PECOS✔ Accepts Medicare1.6 mi
Justin Johnson, D.O.
Anesthesiology
NPI 1326498999
601 S CLIFF AVE STE A
Sioux Falls, SD 57104
(605) 339-0002
✔ PECOS✔ Accepts Medicare1.6 mi
See all 38 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 Anesthesiology Associates, Inc.'s NPI number?

The NPI number for Anesthesiology Associates, Inc. is 1477622215. It was assigned to this organization in the NPPES registry on November 7, 2006.

Where is Anesthesiology Associates, Inc. located?

Anesthesiology Associates, Inc. is located at 1100 E 26th St, Sioux Falls, SD 57105. The listed phone number is (605) 338-7098.

What is Anesthesiology Associates, Inc.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Anesthesiology Associates, Inc. enrolled in Medicare?

Yes. Anesthesiology Associates, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Anesthesiology Associates, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 38 clinicians in 3 Medicare specialties reassign their Medicare billing to Anesthesiology Associates, Inc.. 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 Anesthesiology (29), Certified Registered Nurse Anesthetist (CRNA) (8) and Nurse Practitioner (1). Of these, 26 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Anesthesiology Associates, Inc. accept?

Health plans from Avera Health Plans and Sanford Health Plan list Anesthesiology Associates, Inc. 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 Anesthesiology Associates, Inc. was last updated on April 16, 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.