Tricia Lawrence Merrigan, M.D.
NPI 1467548727ActiveIndividual· Surgery· Sioux Falls, SD
Surgery (M.D.) in Sioux Falls, South Dakota, trained at Sanford School of Medicine of University of South Dakota (class of 2006). 278 Medicare patients in 2024, $76,111 paid; all of their 63 Part D prescriptions were generic.
Overview
| NPI | 1467548727 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 5, 2006 |
| Last updated in NPPES | Dec 23, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 8158 | SD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 278 |
|---|---|
| Services billed | 496 across 32 procedure codes |
| Paid by Medicare | $76,111 |
Part D prescriptions in 2024
| Prescriptions (claims) | 63 · 63 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $260.88 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Sanford School of Medicine of University of South Dakota |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | General Surgery |
Medical group
- Avera McKennanSioux Falls, SD · 959 clinicians
Hospital affiliations
- Avera Marshall Regional Medical CtrMarshall, MN
- Avera McKennan Hospital & University Health CenterSioux Falls, SD
- Avera St LukesAberdeen, SD
- Lakes Regional HealthcareSpirit Lake, IA
- Spencer Municipal HospitalSpencer, IA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery providers in Sioux Falls
- 1932477098
- 1487686952
- 1295991370
- 1336938240
- 1164510608
- 1922030212
- 1760569248
- 1235796533
- 1104312842
- 1821136219
- 1366647885
- 1750680286