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Nicholas Cassis Jr., M.D.

NPI 1063523512ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Charleston, WV

Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Charleston, West Virginia, trained at West Virginia University School of Medicine (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $272,023 for 1,452 claims, against $54,800 paid for services in 2024. Abbott Laboratories was the largest of 3 companies reporting payments in 2025, $252.51 in all, mostly food and beverage.

Overview

NPI1063523512
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedAug 31, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Endocrinology (WV)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients235
Services billed702 across 9 procedure codes
Paid by Medicare$54,800

Part D prescriptions in 2024

Prescriptions (claims)1,452 · 3,875 30-day fills
Patients325
Total drug cost$272,023
Generic share41% of claims

Medicare sources and data years

Education and affiliations

Medical schoolWest Virginia University School of Medicine
Graduation year1979
Medicare specialtyEndocrinology
TelehealthOffers telehealth

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$252.51 · 9 payments from 3 companies
  • 2024$179.23 · 6 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Abbott Laboratories$182.985
Novo Nordisk Inc$55.783
Abbvie Inc.$13.751

What the 2025 payments were for

  • Food and Beverage$252.51 · 9 payments

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

Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Charleston

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