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Ashwin N. Ananthakrishnan, M.D., M.P.H

NPI 1033292545ActiveIndividual· Internal Medicine, Gastroenterology· Boston, MA

Internal Medicine, Gastroenterology (M.D., M.P.H) with Massachusetts General Physicians Organization Inc and 1 other group, practicing in Boston, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $6,823,121 for 1,305 claims, against $70,333 paid for services in 2024. Conmed Corporation was the largest of 2 companies reporting payments in 2024, $146.32 in all, mostly food and beverage. Lists Brigham and Women's Hospital and 4 other hospitals as hospital affiliations.

Overview

NPI1033292545
StatusActive
Entity typeIndividual
CredentialM.D., M.P.H
Sole proprietorNo
NPI issuedOct 21, 2006
Last updated in NPPESDec 10, 2014

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X242671MA
Internal Medicine207R00000X48732 - 20WI

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 (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients340
Services billed620 across 31 procedure codes
Paid by Medicare$70,333

Part D prescriptions in 2024

Prescriptions (claims)1,305 · 1,996 30-day fills
Patients220
Total drug cost$6,823,121
Generic share58% of claims

Medicare sources and data years

Education and affiliations

Graduation year2003
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$146.32 · 2 payments from 2 companies

Top paying companies in 2024

CompanyAmountPayments
Conmed Corporation$115.921
Pfizer Inc.$30.401

What the 2024 payments were for

  • Food and Beverage$115.92 · 1 payment
  • Education$30.40 · 1 payment

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

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