Darrell W. Plumage, MD
NPI 1013938844ActiveIndividual· Internal Medicine· Pierre, SD
Internal Medicine (MD) in Pierre, South Dakota, trained at Sanford School of Medicine of University of South Dakota (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $1,411,493 for 15,933 claims, against $149,878 paid for services in 2024. Pfizer Inc. was the largest of 17 companies reporting payments in 2025, $1,151 in all, mostly food and beverage.
Overview
| NPI | 1013938844 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 21, 2006 |
| Last updated in NPPES | Feb 21, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4470 | 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 - Internal Medicine (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 653 |
|---|---|
| Services billed | 2,722 across 54 procedure codes |
| Paid by Medicare | $149,878 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,933 · 26,654 30-day fills |
|---|---|
| Patients | 554 |
| Total drug cost | $1,411,493 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Sanford School of Medicine of University of South Dakota |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
Medical groups
- Rural Health Care IncBrookings, SD · 154 clinicians
- Avera St MarysPierre, SD · 97 clinicians
Hospital affiliations
- Avera Hand County Memorial Hospital and ClinicMiller, SD
- Avera McKennan Hospital & University Health CenterSioux Falls, SD
- Avera Missouri River Health CenterGettysburg, SD
- Avera St Mary's HospitalPierre, SD
Other facilities
- Avera @ HomeHome health agency · Pierre, SD
- Avantara PierreNursing home · Pierre, SD
- Avera Maryhouse Long Term CareNursing home · Pierre, SD
Industry payments (Open Payments)
- 2025$1,151 · 69 payments from 17 companies
- 2024$1,346 · 85 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $159.52 | 12 |
| Novo Nordisk Inc | $155.30 | 11 |
| Lilly USA, LLC | $150.57 | 9 |
| E.R. Squibb & Sons, L.L.C. | $110.32 | 7 |
| Medtronic, Inc. | $91.29 | 1 |
What the 2025 payments were for
- Food and Beverage$1,151 · 69 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Pierre
- 1548351620
- 1154393742
- 1740201086
- 1972595981
- 1730171810