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Arun Gowdamarajan, M.D.

NPI 1861562100ActiveIndividual· Colon & Rectal Surgery· Indianapolis, IN

Colon & Rectal Surgery (M.D.) in Indianapolis, Indiana, trained at University of Missouri, Columbia School of Medicine (class of 1994). 232 Medicare patients in 2024, $49,139 paid; nearly all of their 501 Part D prescriptions were generic (96%). Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $1,147 in all, mostly food and beverage.

Overview

NPI1861562100
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 8, 2006
Last updated in NPPESJun 8, 2021
Certified by providerJun 8, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Colon & Rectal Surgery Primary208C00000X01058836AIN
Surgery208600000X01058836AIN

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 - Colorectal Surgery (Proctology) (IN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients232
Services billed549 across 56 procedure codes
Paid by Medicare$49,139

Part D prescriptions in 2024

Prescriptions (claims)501 · 574 30-day fills
Patients197
Total drug cost$39,432
Generic share96% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Missouri, Columbia School of Medicine
Graduation year1994
Medicare specialtyColorectal Surgery (Proctology)
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,147 · 48 payments from 12 companies
  • 2024$1,235 · 54 payments from 17 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,147 · 48 payments

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

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