Skip to content

Tashfeen Mahmood, M.D.

NPI 1366676074ActiveIndividual· Internal Medicine, Pulmonary Disease· Lake Charles, LA

Internal Medicine, Pulmonary Disease (M.D.) with Ochsner Clinic LLC, practicing in Lake Charles, Louisiana. Their prescriptions cost Medicare Part D more than their services did: $137,912 for 326 claims, against $58,977 paid for services in 2024. Genzyme Corporation was the largest of 14 companies reporting payments in 2025, $566.93 in all, mostly food and beverage. Lists Christus Ochsner Lake Area Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1366676074
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 8, 2009
Last updated in NPPESSep 4, 2020
Certified by providerSep 4, 2020

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 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 - Pulmonary Disease (LA); Practitioner - Critical Care (Intensivists) (OK); Practitioner - Internal Medicine (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients239
Services billed688 across 40 procedure codes
Paid by Medicare$58,977

Part D prescriptions in 2024

Prescriptions (claims)326 · 412 30-day fills
Patients107
Total drug cost$137,912
Generic share43% of claims

Medicare sources and data years

Education and affiliations

Graduation year2006
Medicare specialtyPulmonary Disease
Secondary specialtiesCritical Care (Intensivists)

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$566.93 · 24 payments from 14 companies
  • 2024$2,505 · 35 payments from 9 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$550.69 · 23 payments
  • Education$16.24 · 1 payment

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

Other Internal Medicine, Pulmonary Disease providers in Lake Charles

All Internal Medicine, Pulmonary Disease providers in Louisiana →