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John Marshall Lewis, D.O.

NPI 1336432798ActiveIndividual· Internal Medicine· Crossville, TN

Internal Medicine (D.O.) in Crossville, Tennessee, trained at Lincoln Memorial University Medical Department (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $1,436,361 for 15,600 claims, against $157,009 paid for services in 2024. Ge Healthcare reported $22.36 in payments in 2025, mostly food and beverage.

Overview

NPI1336432798
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorNo
NPI issuedMay 18, 2011
Last updated in NPPESApr 27, 2021
Certified by providerApr 27, 2021

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (TN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients480
Services billed7,489 across 101 procedure codes
Paid by Medicare$157,009

Part D prescriptions in 2024

Prescriptions (claims)15,600 · 36,499 30-day fills
Patients966
Total drug cost$1,436,361
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLincoln Memorial University Medical Department
Graduation year2011
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$22.36 · 1 payment from 1 company
  • 2024$15.10 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Ge Healthcare$22.361

What the 2025 payments were for

  • Food and Beverage$22.36 · 1 payment

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

Other internal medicine physicians in Crossville

All 23 internal medicine physicians in Crossville · All internal medicine physicians in Tennessee