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Mark W. Johnson, MD

NPI 1205838653ActiveIndividual· Internal Medicine, Pulmonary Disease· Lubbock, TX

Internal Medicine, Pulmonary Disease (MD) in Lubbock, Texas, trained at University of Minnesota Medical School (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $2,392,968 for 2,647 claims, against $97,749 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 13 companies reporting payments in 2025, $1,130 in all, mostly food and beverage.

Overview

NPI1205838653
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 15, 2005
Last updated in NPPESOct 12, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Pulmonary Disease Primary207RP1001XF9626TX

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 - Pulmonary Disease (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients385
Services billed1,915 across 32 procedure codes
Paid by Medicare$97,749

Part D prescriptions in 2024

Prescriptions (claims)2,647 · 3,401 30-day fills
Patients320
Total drug cost$2,392,968
Generic share48% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Minnesota Medical School
Graduation year1978
Medicare specialtyPulmonary Disease

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,130 · 61 payments from 13 companies
  • 2024$1,563 · 84 payments from 18 companies

Top paying companies in 2025

CompanyAmountPayments
Glaxosmithkline, LLC.$418.8524
Grifols USA, LLC$148.207
Electromed, Inc.$108.676
Amgen Inc.$103.456
Verona Pharma, Inc.$102.174

What the 2025 payments were for

  • Food and Beverage$1,130 · 61 payments

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

Other Internal Medicine, Pulmonary Disease providers in Lubbock

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