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Peter Ells, M.D.

NPI 1336174143ActiveIndividual· Internal Medicine, Gastroenterology· East Setauket, NY

Internal Medicine, Gastroenterology (M.D.) in East Setauket, New York, trained at Tufts University School of Medicine (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $297,698 for 492 claims, against $18,770 paid for services in 2024. Gilead Sciences, Inc. was the largest of 13 companies reporting payments in 2025, $10,147 in all, mostly speaking and faculty fees.

Overview

NPI1336174143
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 11, 2006
Last updated in NPPESJan 4, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X147471NY

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 - Gastroenterology (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients214
Services billed336 across 20 procedure codes
Paid by Medicare$18,770

Part D prescriptions in 2024

Prescriptions (claims)492 · 986 30-day fills
Patients110
Total drug cost$297,698
Generic share81% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTufts University School of Medicine
Graduation year1974
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$10,147 · 72 payments from 13 companies
  • 2024$10,990 · 49 payments from 9 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$6,870 · 3 payments
  • Food and Beverage$1,874 · 65 payments
  • Travel and Lodging$1,318 · 3 payments
  • Education$84.00 · 1 payment

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

Other Internal Medicine, Gastroenterology providers in East Setauket

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