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Mark Andrew Lewis, M.D.

NPI 1801051578ActiveIndividual· Internal Medicine, Hematology & Oncology· Murray, UT

Internal Medicine, Hematology & Oncology (M.D.) in Murray, Utah, trained at Baylor College of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $114,071 for 402 claims, against $40,325 paid for services in 2024. Exelixis Inc. was the largest of 7 companies reporting payments in 2025, $49,420 in all, mostly compensation for serving as faculty or as a speaker for a me.

Overview

NPI1801051578
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 22, 2008
Last updated in NPPESSep 8, 2021
Certified by providerSep 8, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003X9903816-1205UT

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 - Medical Oncology (UT)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients75
Services billed415 across 12 procedure codes
Paid by Medicare$40,325

Part D prescriptions in 2024

Prescriptions (claims)402 · 582 30-day fills
Patients71
Total drug cost$114,071
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolBaylor College of Medicine
Graduation year2005
Medicare specialtyMedical Oncology
Secondary specialtiesHematology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$49,420 · 52 payments from 7 companies
  • 2024$40,543 · 33 payments from 11 companies

Top paying companies in 2025

CompanyAmountPayments
Exelixis Inc.$33,71432
Astrazeneca Pharmaceuticals LP$7,2949
Pfizer Inc.$5,9937
Eisai Inc.$1,5801
Array Biopharma Inc$700.001

What the 2025 payments were for

  • Compensation for serving as faculty or as a speaker for a medical education program$25,025 · 13 payments
  • Consulting Fee$7,200 · 3 payments
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$6,865 · 4 payments
  • Travel and Lodging$5,083 · 17 payments
  • Honoraria$4,400 · 1 payment
  • Food and Beverage$846.87 · 14 payments

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

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