Skip to content

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

NPI1427305721
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedAug 7, 2012
Last updated in NPPESMar 17, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X9507SD

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (SD)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients558
Services billed1,655 across 19 procedure codes
Paid by Medicare$119,279

Part D prescriptions in 2024

Prescriptions (claims)9,817 · 23,142 30-day fills
Patients668
Total drug cost$803,069
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Graduation year2006
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Internal Medicine providers in Brookings

All Internal Medicine providers in South Dakota →