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Thomas David O'Halloran, MB BCH BAO

NPI 1922101294ActiveIndividual· Internal Medicine, Cardiovascular Disease· Boston, MA

Internal Medicine, Cardiovascular Disease (MB BCH BAO) with Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc and 2 other groups, practicing in Boston, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $926,549 for 2,853 claims, against $290,134 paid for services in 2024. Pfizer Inc. was the largest of 2 companies reporting payments in 2024, $53.39 in all, mostly food and beverage. Lists Beth Israel Deaconess Hospital - Needham and 4 other hospitals as hospital affiliations.

Overview

NPI1922101294
StatusActive
Entity typeIndividual
CredentialMB BCH BAO
Sole proprietorYes
NPI issuedSep 5, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Cardiovascular Disease Primary207RC0000X219608MA

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 - Cardiovascular Disease (Cardiology) (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients2,297
Services billed5,362 across 32 procedure codes
Paid by Medicare$290,134

Part D prescriptions in 2024

Prescriptions (claims)2,853 · 7,234 30-day fills
Patients472
Total drug cost$926,549
Generic share72% of claims

Medicare sources and data years

Education and affiliations

Graduation year1997
Medicare specialtyCardiovascular Disease (Cardiology)
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$53.39 · 2 payments from 2 companies

Top paying companies in 2024

CompanyAmountPayments
Pfizer Inc.$29.241
Actelion Pharmaceuticals US, Inc.$24.151

What the 2024 payments were for

  • Food and Beverage$53.39 · 2 payments

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

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