NPPES file of Aug 9, 2026

Sean C. Halligan, MD

Interventional Cardiology Physician · Sioux Falls, SD

Sean C. Halligan, MD is an interventional cardiology physician with a practice address in Sioux Falls, South Dakota, and NPI 1174504658, issued on Nov 10, 2005. Check the license (South Dakota 5802, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; 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
1174504658
Name
Sean C. Halligan
Credential
MD
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License numbers
5802 SD
44354 WI
Self-reported in NPPES; status is on the state search
Practice location
4520 W 69TH St, Sioux Falls, SD 57108
Phone
(605) 977-5000
Enumerated
Nov 10, 2005
Record last updated
Oct 5, 2022
Fax
(605) 977-5377
Medicaid IDs
6005310 SD
1582791 IA
052817000 MN
Medicare enrollment
Enrolled (PECOS I20070521000023); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 4520 W 69TH St

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

  1. Jonathon Adams, MDClinical Cardiac Electrophysiology Physician1578683249
  2. Kathryn Adams, CNPFamily Nurse Practitioner1437668027
  3. Raymond Allen, MDInterventional Cardiology Physician1396733705
  4. Fawzi Ameer, M.D.Cardiovascular Disease Physician1790195402
  5. Peter Andreone, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1811985211
  6. Fnu Ayesha Azmeen, MDAdvanced Heart Failure and Transplant Cardiology Physician1588152540

Verify Sean C. Halligan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 5802
    Check 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
Open the South Dakota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

30% fewer Medicare Part D claims than the average interventional cardiology physician in 2024

2,237 Medicare Part D claims for 365 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Sean Halligan2,237
  2. Specialty average3,179

Most prescribed

  1. Atorvastatin Calcium248 claims
  2. Amlodipine Besylate244 claims
  3. Rosuvastatin Calcium218 claims
  4. Metoprolol Succinate184 claims
  5. Clopidogrel178 claims
  6. Isosorbide Mononitrate Er175 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.

Industry payments in 2024: $213.31

11 payments; by number, the most common kind was food and beverage; the largest payer was ShockWave Medical, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sean Halligan$213.31
  2. Specialty average$7,062.29

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Heart Hospital OF South Dakota LLCSioux Falls, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sean C. Halligan among 16 interventional cardiology physician records in South Dakota

Sean C. Halligan, MD is one of 16 interventional cardiology physician records with a practice address in South Dakota. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 75% newer
  • In a Medicare fileYes · 94% of these records are
  • In the CMS Doctors and Clinicians fileYes · 88% of these records are
  • Graduated1997 · median 1998 among the 14 with a school on file
  • Record last updated2022 · 25% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Interventional Cardiology Physician providers in South Dakota

There are 16 interventional cardiology physician records in South Dakota.

The 8 interventional cardiology physician records with the nearest ZIP codes

  1. Raymond Allen, MDSioux Falls, SD 571081396733705
  2. Tarek Mahrous, MDSioux Falls, SD 571081225046436
  3. Jeremy Scott, M.D.Sioux Falls, SD 571081629045828
  4. John Wagener, M.D.Sioux Falls, SD 571081972879161
  5. Thomas Waterbury, MDSioux Falls, SD 571081225392160
  6. Marian Petrasko, M.D.Sioux Falls, SD 571051881699965
  7. Adam Stys, MDSioux Falls, SD 571051083656821
  8. Tomasz Stys, M.D.Sioux Falls, SD 571051891790978

Common questions

What is Sean C. Halligan, MD's NPI number?

Sean C. Halligan, MD's National Provider Identifier (NPI) is 1174504658, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sean C. Halligan, MD located?

The NPPES record lists a practice address at 4520 W 69TH St, Sioux Falls, SD, 57108. Phone: (605) 977-5000. Providers update this record themselves, so call before visiting.

How can I verify Sean C. Halligan, MD's license?

NPPES lists South Dakota license number 5802, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sean C. Halligan, MD prescribe under Medicare Part D?

In 2024, Sean C. Halligan, MD had 2,237 Medicare Part D claims for 365 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. 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.