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Kerstyn Zalesin, MD

NPI 1285683821ActiveIndividual· Internal Medicine· Royal Oak, MI

Internal Medicine (MD) in Royal Oak, Michigan, trained at Wayne State University School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $366,824 for 586 claims, against $15,334 paid for services in 2024. Novo Nordisk Inc reported $68.70 in payments in 2024, mostly food and beverage.

Overview

NPI1285683821
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 10, 2006
Last updated in NPPESFeb 24, 2026
Certified by providerFeb 24, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X4301065660MI

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)Not in the public enrollment file of Oct 1, 2026
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients75
Services billed509 across 16 procedure codes
Paid by Medicare$15,334

Part D prescriptions in 2024

Prescriptions (claims)586 · 903 30-day fills
Patients98
Total drug cost$366,824

Medicare sources and data years

Education and affiliations

Medical schoolWayne State University School of Medicine
Graduation year1995
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$68.70 · 3 payments from 1 company

Top paying companies in 2024

CompanyAmountPayments
Novo Nordisk Inc$68.703

What the 2024 payments were for

  • Food and Beverage$68.70 · 3 payments

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

Other internal medicine physicians in Royal Oak

All 240 internal medicine physicians in Royal Oak · All internal medicine physicians in Michigan