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Ramsey Raymond Hachem, MD

NPI 1891711016ActiveIndividual· Internal Medicine, Pulmonary Disease· Saint Louis, MO

Internal Medicine, Pulmonary Disease (MD) in Saint Louis, Missouri, trained at University of Texas Southwestern Medical School at Dallas (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $600,730 for 4,136 claims, against $19,106 paid for services in 2024. Transmedics, Inc. was the largest of 2 companies reporting payments in 2025, $6,125 in all, mostly consulting fees.

Overview

NPI1891711016
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 14, 2006
Last updated in NPPESDec 8, 2024
Certified by providerDec 8, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Pulmonary Disease Primary207RP1001X2000168797MO

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 (MO); Practitioner - Pulmonary Disease (UT)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients108
Services billed270 across 26 procedure codes
Paid by Medicare$19,106

Part D prescriptions in 2024

Prescriptions (claims)4,136 · 7,334 30-day fills
Patients263
Total drug cost$600,730
Generic share93% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Texas Southwestern Medical School at Dallas
Graduation year1997
Medicare specialtyPulmonary Disease
Secondary specialtiesCritical Care (Intensivists)
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$6,125 · 3 payments from 2 companies
  • 2024$17,281 · 6 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Transmedics, Inc.$6,0002
Aimmune Therapeutics, Inc.$124.991

What the 2025 payments were for

  • Consulting Fee$6,000 · 2 payments
  • Food and Beverage$124.99 · 1 payment

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

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