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Ulka Nitin Vaishampayan, MD

NPI 1659318640ActiveIndividual· Internal Medicine· Ann Arbor, MI

Internal Medicine (MD) with Regents of the University of Michigan, practicing in Ann Arbor, Michigan. Their prescriptions cost Medicare Part D more than their services did: $4,742,554 for 979 claims, against $59,766 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 11 companies reporting payments in 2025, $70,927 in all, mostly consulting fees. Lists Beaumont Hospital Royal Oak and 4 other hospitals as hospital affiliations.

Overview

NPI1659318640
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 31, 2006
Last updated in NPPESMar 18, 2020
Certified by providerMar 18, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X4301062981MI
Internal Medicine, Medical Oncology207RX0202X4301062981MI

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 - Medical Oncology (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients168
Services billed716 across 13 procedure codes
Paid by Medicare$59,766

Part D prescriptions in 2024

Prescriptions (claims)979 · 1,478 30-day fills
Patients142
Total drug cost$4,742,554
Generic share69% of claims

Medicare sources and data years

Education and affiliations

Graduation year1993
Medicare specialtyMedical Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$70,927 · 68 payments from 11 companies
  • 2024$103,779 · 90 payments from 14 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$60,747 · 18 payments
  • Travel and Lodging$6,610 · 22 payments
  • Honoraria$1,980 · 1 payment
  • Food and Beverage$1,386 · 24 payments
  • Education$143.24 · 2 payments
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$61.47 · 1 payment

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

Other internal medicine physicians in Ann Arbor

All 502 internal medicine physicians in Ann Arbor · All internal medicine physicians in Michigan