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Anastasios Manessis, MD

NPI 1467615823ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· New York, NY

Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in New York, New York, trained at State University of New York at Buffalo School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $6,895,334 for 12,876 claims, against $1,054,678 paid for services in 2024. Ascendis Pharma Endocrinology Inc was the largest of 29 companies reporting payments in 2025, $174,540 in all, mostly speaking and faculty fees.

Overview

NPI1467615823
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJul 7, 2008
Last updated in NPPESJan 2, 2024
Certified by providerJan 2, 2024

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 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 - Endocrinology (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,331
Services billed26,222 across 119 procedure codes
Paid by Medicare$1,054,678

Part D prescriptions in 2024

Prescriptions (claims)12,876 · 27,042 30-day fills
Patients1,587
Total drug cost$6,895,334
Generic share36% of claims

Medicare sources and data years

Education and affiliations

Medical schoolState University of New York at Buffalo School of Medicine
Graduation year2001
Medicare specialtyEndocrinology
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$174,540 · 350 payments from 29 companies
  • 2024$89,514 · 315 payments from 35 companies

Top paying companies in 2025

CompanyAmountPayments
Ascendis Pharma Endocrinology Inc$62,41365
Lilly USA, LLC$41,94574
Novo Nordisk Inc$34,05253
Sanofi-Aventis U.S. LLC$19,98113
Amgen Inc.$7,30816

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$127,334 · 79 payments
  • Consulting Fee$27,491 · 5 payments
  • Travel and Lodging$10,441 · 43 payments
  • Food and Beverage$9,274 · 223 payments

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

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