Patrick Mark O'Brien, M.D.
NPI 1861615155ActiveIndividual· Orthopaedic Surgery· Sioux Falls, SD
Orthopaedic Surgery (M.D.) in Sioux Falls, South Dakota, trained at Creighton University School of Medicine (class of 2007). In 2024 Medicare paid $42,021 for 205 patients, and Part D covered 138 of their prescriptions, 82% of them generic. Arthrex, Inc. was the largest of 2 companies reporting payments in 2025, $72.32 in all, mostly food and beverage.
Overview
| NPI | 1861615155 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 11, 2007 |
| Last updated in NPPES | Oct 31, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 10105 | SD |
| Orthopaedic Surgery | 207X00000X | 2014-01725 | NC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (IA); Practitioner - Orthopedic Surgery (MN); Practitioner - Orthopedic Surgery (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 205 |
|---|---|
| Services billed | 743 across 27 procedure codes |
| Paid by Medicare | $42,021 |
Part D prescriptions in 2024
| Prescriptions (claims) | 138 · 146 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $7,546 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Avera McKennanSioux Falls, SD · 959 clinicians
Hospital affiliations
- Avera McKennan Hospital & University Health CenterSioux Falls, SD
- Avera Merrill Pioneer HospitalRock Rapids, IA
- Hegg Memorial Health CenterRock Valley, IA
- Sioux Center HealthSioux Center, IA
- Unc Health NashRocky Mount, NC
Industry payments (Open Payments)
- 2025$72.32 · 2 payments from 2 companies
- 2024$52.32 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $36.28 | 1 |
| Conetic Solutions, Inc. | $36.04 | 1 |
What the 2025 payments were for
- Food and Beverage$72.32 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 orthopedic surgeons in Sioux Falls · All orthopedic surgeons in South Dakota