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Ellis Mez, M.D.

NPI 1023029956ActiveIndividual· Internal Medicine· Eldersburg, MD

Internal Medicine (M.D.) in Eldersburg, Maryland, trained at University of Maryland School of Medicine (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $323,264 for 2,530 claims, against $76,122 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $928.54 in all, mostly food and beverage.

Overview

NPI1023029956
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedAug 9, 2006
Last updated in NPPESAug 12, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XD22220MD

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 - Internal Medicine (MD)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients192
Services billed1,555 across 45 procedure codes
Paid by Medicare$76,122

Part D prescriptions in 2024

Prescriptions (claims)2,530 · 6,009 30-day fills
Patients184
Total drug cost$323,264
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Maryland School of Medicine
Graduation year1977
Medicare specialtyInternal Medicine
Secondary specialtiesGeriatric Medicine
TelehealthOffers telehealth

Medical groups

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$928.54 · 46 payments from 17 companies
  • 2024$921.39 · 44 payments from 10 companies

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$155.467
Novo Nordisk Inc$150.477
Pfizer Inc.$123.487
Abbvie Inc.$114.716
Glaxosmithkline, LLC.$62.503

What the 2025 payments were for

  • Food and Beverage$928.54 · 46 payments

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

Other Internal Medicine providers in Eldersburg

All Internal Medicine providers in Maryland →