NPPES file of Aug 9, 2026

Sean Michael Clausen, MD

Student in an Organized Health Care Education/Training Program · Sioux Falls, SD

Sean Michael Clausen, MD is a student in an organized health care education/training program with a practice address in Sioux Falls, South Dakota, and NPI 1043899008, issued on Apr 6, 2021. Check the license with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043899008
Name
Sean Michael Clausen
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
2315 W 57TH St, Sioux Falls, SD 57108
Phone
(605) 336-3503
Enumerated
Apr 6, 2021
Record last updated
Jul 14, 2026
Fax
(605) 336-6010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2315 W 57TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexandria Allison, AUDAudiologist1922925213
  2. Donald BennettOtolaryngology Physician1720519739
  3. Joel Brewer, AUDAudiologist1619406386
  4. Paul Cink, MDOtolaryngology Physician1710984612
  5. Kelcey Cushman, AU.D., CCC-AAudiologist-Hearing Aid Fitter1598003048
  6. Gregory Danielson, M.D.Otolaryngology Physician1326063678

Verify Sean Michael Clausen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Dakota license search

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46% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

99 Medicare Part D claims for 57 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. 29 claims were for opioids.

  1. Sean Clausen99
  2. Specialty average185

Most prescribed

  1. Hydrocodone-Acetaminophen18 claims
  2. Fluticasone Propionate13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

229 student in an organized health care education/training program records list a practice address in Sioux Falls

They are 229 of the 6,563 NPPES records with a practice address in Sioux Falls, and 298 student in an organized health care education/training program records in South Dakota.

Other student in an organized health care education/training program records in South Dakota

  1. Jeremy Aal, MDRapid City, SD1932954906
  2. Ayesha Abbas, MDSioux Falls, SD1598555179
  3. Heather AbelsSioux Falls, SD1508497678
  4. Sara Aboelmaaty, MDSioux Falls, SD1407797533
  5. Unknown AbubakarSioux Falls, SD1235020959
  6. Hijan AkeelSioux Falls, SD1184476319
  7. Ayangaifiok Akpan, MBBSSioux Falls, SD1104679588
  8. Muhammad Shariq AkramSioux Falls, SD1861220550
  9. Esraa Al Manajrh, MDSioux Falls, SD1275362469
  10. Sara Al-Juboori, MDSioux Falls, SD1013807924

Common questions

What is Sean Michael Clausen, MD's NPI number?

Sean Michael Clausen, MD's National Provider Identifier (NPI) is 1043899008, issued on Apr 6, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Sean Michael Clausen, MD located?

The NPPES record lists a practice address at 2315 W 57TH St, Sioux Falls, SD, 57108. Phone: (605) 336-3503. Providers update this record themselves, so call before visiting.

How can I verify Sean Michael Clausen, MD's license?

Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Sean Michael Clausen, MD prescribe under Medicare Part D?

In 2024, Sean Michael Clausen, MD had 99 Medicare Part D claims for 57 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.