Sean Halligan, MD

Cardiology

Board Certified21+ years in practiceNPI: 1174504658Licensed in WILicensed in SD

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Credentials & Recognition

Specialties

Cardiology

NPI sub-specialties

Internal Medicine, Cardiovascular Disease207RC0000X

Internal Medicine, Cardiovascular Disease207RC0000X

Internal Medicine, Interventional Cardiology207RI0011X

Board Certifications

NBPAS — SD exp October 31, 2026

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

21+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#1

Top Cardiologists in South Dakota, 2026

Cardiology · South Dakota · 2026

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Frequently Asked Questions about Dr. Sean Halligan, MD

Where does Dr. Sean Halligan, MD practice?+
Dr. Sean Halligan, MD practices in South Dakota, SD. 4520 W 69TH ST SIOUX FALLS, SD 571088148.
What is Dr. Sean Halligan, MD's phone number?+
Dr. Sean Halligan, MD's practice phone is 605-977-5000. Office contact information is verified on the PBCMMG profile.
What does Dr. Sean Halligan, MD specialize in?+
Dr. Sean Halligan, MD's primary specialty is Cardiology.
Is Dr. Sean Halligan, MD board certified?+
Yes. Dr. Sean Halligan, MD is board certified in NBPAS — SD exp October 31, 2026. Certification verified via ABMS/state board records.
How long has Dr. Sean Halligan, MD been practicing?+
Dr. Sean Halligan, MD has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. Sean Halligan, MD's NPI number?+
Dr. Sean Halligan, MD's National Provider Identifier (NPI) is 1174504658, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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