Jennifer Elaine Williamson, M.D.
NPI 1427305721ActiveIndividual· Internal Medicine· Brookings, SD
Internal Medicine (M.D.) with Monument Health Rapid City Hospital Inc, practicing in Brookings, South Dakota. Their prescriptions cost Medicare Part D more than their services did: $803,069 for 9,817 claims, against $119,279 paid for services in 2024. Lists Monument Health Custer Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1427305721 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 7, 2012 |
| Last updated in NPPES | Mar 17, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 9507 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 558 |
|---|---|
| Services billed | 1,655 across 19 procedure codes |
| Paid by Medicare | $119,279 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,817 · 23,142 30-day fills |
|---|---|
| Patients | 668 |
| Total drug cost | $803,069 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Monument Health Rapid City Hospital IncRapid City, SD · 564 clinicians
Hospital affiliations
- Monument Health Custer HospitalCuster, SD
- Monument Health Rapid City HospitalRapid City, SD
- Monument Health Spearfish HospitalSpearfish, SD
- Monument Health Sturgis HospitalSturgis, SD
Other facilities
- Monument Health Home Plus Home HealthHome health agency · Rapid City, SD
- Westhills Village Home HealthHome health agency · Rapid City, SD
- Westhills Village Health Care FacilityNursing home · Rapid City, SD
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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