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Maria Teresa Abreu, M.D.

NPI 1598793374ActiveIndividual· Internal Medicine, Gastroenterology· West Hollywood, CA

Internal Medicine, Gastroenterology (M.D.) with Cedars-Sinai Medical Center, practicing in West Hollywood, California. Their prescriptions cost Medicare Part D more than their services did: $2,292,450 for 276 claims, against $21,003 paid for services in 2024. Amgen Inc. was the largest of 10 companies reporting payments in 2025, $58,498 in all, mostly consulting fees. Lists Cedars-Sinai Medical Center as a hospital affiliation.

Overview

NPI1598793374
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 29, 2006
Last updated in NPPESOct 13, 2026
Certified by providerOct 13, 2026

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 - Gastroenterology (CA); Practitioner - Gastroenterology (FL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients131
Services billed214 across 25 procedure codes
Paid by Medicare$21,003

Part D prescriptions in 2024

Prescriptions (claims)276 · 377 30-day fills
Patients70
Total drug cost$2,292,450
Generic share48% of claims

Medicare sources and data years

Education and affiliations

Graduation year1990
Medicare specialtyGastroenterology
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$58,498 · 27 payments from 10 companies
  • 2024$83,112 · 21 payments from 7 companies

Top paying companies in 2025

CompanyAmountPayments
Amgen Inc.$18,7596
Pfizer Inc.$13,0904
Ucb Sa$10,8504
Janssen Research & Development, LLC$4,9834
Genentech USA, Inc.$4,5613

What the 2025 payments were for

  • Consulting Fee$48,231 · 15 payments
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4,620 · 1 payment
  • Travel and Lodging$3,692 · 5 payments
  • Acquisitions$1,473 · 1 payment
  • Food and Beverage$481.06 · 5 payments

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

Other Internal Medicine, Gastroenterology providers in West Hollywood

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