Doctor profile · Federal record

Dr. Patrick O'Brien, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Orthopaedic Surgery Physician · Sioux Falls, SD

  • NPI 1861615155
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
911 E 20Th St Ste 300
Sioux Falls, SD 571051045
(605) 322-1300
fax (605) 322-1301
Additional location
6100 S Louise Ave Ste 2100
Sioux Falls, SD 571086021
(605) 504-1100
Mailing address
911 E. 20Th St, Ste 300
Sioux Falls, SD 571051045

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
October 31, 2019
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207X00000X — NUCC code
State licenses (2)
South Dakota #10105 · North Carolina #2014-01725

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861615155. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
597
Distinct HCPCS
7
Medicare allowed
$48,262
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 197 142 $98
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 184 19 $1
20610 Aspiration and/or injection of fluid from large joint 64 41 $59
99213 Established patient office or other outpatient visit, 20-29 minutes 63 48 $72
99204 New patient office or other outpatient visit, 45-59 minutes 53 53 $131
99212 Established patient office or other outpatient visit, 10-19 minutes 23 20 $42
29827 Repair of shoulder rotator cuff using an endoscope 13 13 $960

In context: peer comparison

Among 21 peers in this city , average services per provider: 107. This provider delivers 5.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$52
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Conetic Solutions, Inc. 1 $37.73
Smith+Nephew, Inc. 1 $14.59

By nature of payment

Food and Beverage
$52

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
67
Patients
22
Total drug cost
$767
Drug Type Claims Patients Total cost
Methylprednisolone Generic 23 22 $202
Meloxicam Generic 20 0 $41
Atorvastatin Calcium Generic 13 0 $301
Metformin Hcl Generic 11 0 $223

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick O'Brien's medical specialty?
Dr. Patrick O'Brien practices Orthopaedic Surgery Physician in Sioux Falls, SD.
Where does Dr. Patrick O'Brien practice?
Dr. Patrick O'Brien practices at 911 E 20Th St Ste 300, Sioux Falls, SD 571051045. Office phone: 6053221300.
What is Dr. Patrick O'Brien's NPI?
Dr. Patrick O'Brien's National Provider Identifier (NPI) is 1861615155, issued by NPPES.
Does Dr. Patrick O'Brien accept Medicare assignment?
Yes. Dr. Patrick O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.