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Ellen M. Stein, M.D.

NPI 1053521450ActiveIndividual· Internal Medicine, Gastroenterology· Baltimore, MD

Internal Medicine, Gastroenterology (M.D.) in Baltimore, Maryland, trained at George Washington University School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $96,583 for 573 claims, against $54,583 paid for services in 2024. Genzyme Corporation was the largest of 2 companies reporting payments in 2025, $79.87 in all, mostly food and beverage.

Overview

NPI1053521450
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 23, 2007
Last updated in NPPESFeb 19, 2013

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 - Gastroenterology (DC); Practitioner - Gastroenterology (MD); Practitioner - Gastroenterology (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients306
Services billed606 across 44 procedure codes
Paid by Medicare$54,583

Part D prescriptions in 2024

Prescriptions (claims)573 · 902 30-day fills
Patients147
Total drug cost$96,583
Generic share81% of claims

Medicare sources and data years

Education and affiliations

Medical schoolGeorge Washington University School of Medicine
Graduation year2004
Medicare specialtyGastroenterology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$79.87 · 2 payments from 2 companies
  • 2024$188.97 · 5 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Genzyme Corporation$58.151
Phathom Pharmaceuticals, Inc.$21.721

What the 2025 payments were for

  • Food and Beverage$79.87 · 2 payments

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

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