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SEAN MICHAEL CLAUSEN MD
NPI 1043899008
Student in an Organized Health Care Education/Training Program in Sioux Falls, SD

Active since April 06, 2021PECOS EnrolledAccepts Medicare Assignment
2315 W 57TH ST, SIOUX FALLS, SD 57108(605) 336-3503(605) 336-6010 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 14, 2026, Apr 6, 2021 (2 updates tracked since 2021).

About Sean Michael Clausen Md NPPES

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

SEAN MICHAEL CLAUSEN MD (NPI 1043899008) is an individual student in an organized health care education/training program in Sioux Falls, South Dakota and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1043899008
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameSEAN MICHAEL CLAUSENCredential: MD
Location Address2315 W 57TH STSioux Falls, SD 57108-5046
Mailing Address2315 W 57th StSioux Falls, SD 57108-5046 · (605) 336-3503 · Fax (605) 336-6010
Phone(605) 336-3503
Fax(605) 336-6010
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 6, 2021
Last NPPES UpdateJuly 14, 20262 updates tracked since enumeration
NPPES CertifiedJuly 14, 2026
✔ NPI 1043899008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
2315 W 57TH ST, Sioux Falls, SD 57108
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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 Michael Clausen Md 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 ID4183180771
PECOS Enrollment IDI20260804000989
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Sean Clausen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Midwest Ear, Nose & Throat Associates P C
2.8 mi
Otolaryngology
2315 W 57TH ST
Sioux Falls, SD 57108
  • Reassigned Medicare billing, South Dakota enrollment
  • 15 clinicians in this Medicare group
NPI 1003871419 (605) 336-3503

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

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.

MIDWEST EAR, NOSE & THROAT ASSOCIATES P C
Otolaryngology
2315 W 57TH ST
SIOUX FALLS, SD 57108
Lincoln County (605) 336-3503
DR. MICAH MARSHALL LIKNESS M.D.
Otolaryngology
2315 W 57TH ST
SIOUX FALLS, SD 57108
Lincoln County (605) 336-3503
DR. CRAIG PHILLIP HEDGES MD
Otolaryngology
2315 W 57TH ST
SIOUX FALLS, SD 57108
Lincoln County (605) 336-3503
DRS DARIN AND HALLY BACH DDS PC
Dentist
2315 W 57TH ST
SIOUX FALLS, SD 57108
Lincoln County (800) 996-7352
DR. GREGORY PAUL DANIELSON M.D.
Otolaryngology
2315 W 57TH ST
SIOUX FALLS, SD 57108
Lincoln County (605) 336-3503
ASHLEY POMMER
Physician Assistant
2315 W 57TH ST
SIOUX FALLS, SD 57108
Lincoln County (605) 336-3503
THOMAS TAMURA MD
Otolaryngology
2315 W 57TH ST
SIOUX FALLS, SD 57108
Lincoln County (605) 336-3503
KENNETH M SCOTT MD
Otolaryngology
2315 W 57TH ST
SIOUX FALLS, SD 57108
Lincoln County (605) 336-3503

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 Clausen's NPI number?

The NPI number for Sean Clausen is 1043899008. It was assigned to this individual provider in the NPPES registry on April 6, 2021.

Where is Sean Clausen located?

Sean Clausen practices at 2315 W 57th St, Sioux Falls, SD 57108. The listed phone number is (605) 336-3503.

What is Sean Clausen's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Sean Clausen enrolled in Medicare?

Yes. Sean Clausen 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 organization bills Medicare for Sean Clausen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Clausen reassigns Medicare benefits to Midwest Ear, Nose & Throat Associates P C (Sioux Falls, SD). The 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 Clausen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sean Clausen accept?

Health plans from Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Sean Clausen 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 Sean Clausen was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.