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Abraham M. Ishaaya, M.D.

NPI 1912959925ActiveIndividual· Internal Medicine, Pulmonary Disease· Los Angeles, CA

Internal Medicine, Pulmonary Disease (M.D.) in Los Angeles, California, trained at University of Maryland School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $4,611,202 for 17,746 claims, against $1,573,852 paid for services in 2024. Genzyme Corporation was the largest of 26 companies reporting payments in 2025, $20,686 in all, mostly speaking and faculty fees.

Overview

NPI1912959925
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedMay 17, 2006
Last updated in NPPESSep 26, 2013

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 (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,713
Services billed43,463 across 120 procedure codes
Paid by Medicare$1,573,852

Part D prescriptions in 2024

Prescriptions (claims)17,746 · 22,174 30-day fills
Patients863
Total drug cost$4,611,202
Generic share70% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Maryland School of Medicine
Graduation year1990
Medicare specialtyPulmonary Disease
Secondary specialtiesGeriatric Psychiatry, Internal Medicine, Sleep Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$20,686 · 174 payments from 26 companies
  • 2024$3,598 · 163 payments from 29 companies

Top paying companies in 2025

CompanyAmountPayments
Genzyme Corporation$17,59812
Astrazeneca Pharmaceuticals LP$599.3043
Insmed, Inc.$359.4012
Electromed, Inc.$293.6526
Verona Pharma, Inc.$284.6015

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$15,147 · 5 payments
  • Food and Beverage$3,489 · 166 payments
  • Travel and Lodging$2,050 · 3 payments

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

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