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Petros Efthimiou, MD

NPI 1942246939ActiveIndividual· Internal Medicine, Rheumatology· New York, NY

Opted out of Medicare from January 2025 to January 2027. Internal Medicine, Rheumatology (MD) in New York, New York, licensed in NY, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $1,676,533 for 571 claims, against $47,522 paid for services in 2024. Genzyme Corporation was the largest of 11 companies reporting payments in 2025, $38,420 in all, mostly speaking and faculty fees.

Overview

NPI1942246939
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJun 20, 2006
Last updated in NPPESMar 12, 2025
Certified by providerMar 12, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500X268774NY

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)Not in the public enrollment file of Oct 1, 2026
Opt-outOpted out Jan 27, 2025 – Jan 27, 2027
Can order and referYes
Accepts assignmentYes (participating)

During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.

Medicare services in 2024

Medicare patients113
Services billed987 across 18 procedure codes
Paid by Medicare$47,522

Part D prescriptions in 2024

Prescriptions (claims)571 · 1,075 30-day fills
Patients101
Total drug cost$1,676,533
Generic share78% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$38,420 · 58 payments from 11 companies
  • 2024$95,927 · 168 payments from 11 companies

Top paying companies in 2025

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$25,736 · 9 payments
  • Honoraria$7,613 · 4 payments
  • Food and Beverage$2,425 · 35 payments
  • Consulting Fee$1,653 · 2 payments
  • Travel and Lodging$914.62 · 7 payments
  • Education$79.00 · 1 payment

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

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