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Jennifer K. May, MD

NPI 1891765475ActiveIndividual· Internal Medicine· Rapid City, SD

Internal Medicine (MD) in Rapid City, South Dakota, trained at Sanford School of Medicine of University of South Dakota (class of 1999). In 2024 Medicare paid $2,449,814 for 643 patients, and Part D covered 1,454 of their prescriptions, 84% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 9 companies reporting payments in 2025, $751.70 in all, mostly food and beverage.

Overview

NPI1891765475
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJan 25, 2006
Last updated in NPPESJun 30, 2022
Certified by providerJun 30, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X5639SD

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Rheumatology (SD)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients643
Services billed219,284 across 111 procedure codes
Paid by Medicare$2,449,814

Part D prescriptions in 2024

Prescriptions (claims)1,454 · 2,949 30-day fills
Patients350
Total drug cost$1,005,535
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Medical schoolSanford School of Medicine of University of South Dakota
Graduation year1999
Medicare specialtyRheumatology
Secondary specialtiesInternal Medicine

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$751.70 · 30 payments from 9 companies
  • 2024$986.58 · 17 payments from 4 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$751.70 · 30 payments

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

Other internal medicine physicians in Rapid City

All 47 internal medicine physicians in Rapid City · All internal medicine physicians in South Dakota