Doctor profile · Federal record

Dr. Sean Halligan, MD

Interventional Cardiology Physician (CMS: Interventional Cardiology) · Cardiovascular Disease Physician · Cardiovascular Disease Physician · Sioux Falls, SD

  • NPI 1174504658
  • Accepts Medicare
  • 29 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4520 W 69Th St
Sioux Falls, SD 571088148
(605) 977-5000
fax (605) 977-5377
Mailing address
Po Box 5009
Sioux Falls, SD 571175009

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
October 5, 2022
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RI0011X — NUCC code
State licenses (2)
South Dakota #5802 · Wisconsin #44354
Medicaid (3)
SD #6005310 · IA #1582791 · MN #052817000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174504658. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,702
Distinct HCPCS
10
Medicare allowed
$152,061
HCPCS Description Services Patients Avg allowed
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 466 463 $66
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 238 206 $8
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 143 136 $11
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 106 58 $74
93308 Ultrasound of heart, follow-up 94 80 $24
93458 Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 86 86 $216
92928 Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 79 56 $435
92978 Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel 75 71 $85
99204 New patient office or other outpatient visit, 45-59 minutes 47 47 $127
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 45 45 $166

In context: peer comparison

Among 6 peers in Sioux Falls Interventional Cardiology Physician, average services per provider: 130. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$213
Transactions
11
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ShockWave Medical, INC 8 $156.11
Abbott Laboratories 3 $57.20

By nature of payment

Food and Beverage
$213

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,161
Patients
304
Total drug cost
$62,174
Drug Type Claims Patients Total cost
Clopidogrel (Clopidogrel Bisulfate) Brand 185 49 $2,329
Isosorbide Mononitrate ER (Isosorbide Mononitrate) Brand 151 45 $2,387
Amlodipine Besylate Generic 123 45 $608
Metoprolol Succinate Generic 110 34 $1,602
Rosuvastatin Calcium Generic 103 29 $1,702
Atorvastatin Calcium Generic 84 24 $911
Lisinopril Generic 81 22 $350
Metoprolol Tartrate Generic 64 15 $323
Eliquis (Apixaban) Brand 48 0 $30,859
Carvedilol Generic 45 0 $266

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sean Halligan's medical specialty?
Dr. Sean Halligan practices Interventional Cardiology Physician in Sioux Falls, SD.
Where does Dr. Sean Halligan practice?
Dr. Sean Halligan practices at 4520 W 69Th St, Sioux Falls, SD 571088148. Office phone: 6059775000.
What is Dr. Sean Halligan's NPI?
Dr. Sean Halligan's National Provider Identifier (NPI) is 1174504658, issued by NPPES.
Does Dr. Sean Halligan accept Medicare assignment?
Yes. Dr. Sean Halligan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Halligan commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older) (HCPCS 99152). Source: CMS Medicare Physician & Other Practitioners file.