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Myfanwy G. Callahan, M.D.

NPI 1538428685ActiveIndividual· Internal Medicine· Medford, MA

Internal Medicine (M.D.) in Medford, Massachusetts, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $953,163 for 9,537 claims, against $72,908 paid for services in 2024. Abbott Laboratories reported $31.61 in payments in 2024, mostly food and beverage.

Overview

NPI1538428685
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 10, 2012
Last updated in NPPESJan 7, 2021
Certified by providerJan 7, 2021

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients325
Services billed3,417 across 123 procedure codes
Paid by Medicare$72,908

Part D prescriptions in 2024

Prescriptions (claims)9,537 · 20,044 30-day fills
Patients780
Total drug cost$953,163
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolClvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Graduation year2012
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$31.61 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Abbott Laboratories$31.611

What the 2024 payments were for

  • Food and Beverage$31.61 · 1 payment

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

Other internal medicine physicians in Medford

All 54 internal medicine physicians in Medford · All internal medicine physicians in Massachusetts