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Robert P. Chen, MD

NPI 1255335816ActiveIndividual· Internal Medicine· Saint John, IN

Internal Medicine (MD) with Community Care Network Inc, practicing in Saint John, Indiana. Their prescriptions cost Medicare Part D more than their services did: $896,926 for 11,497 claims, against $195,753 paid for services in 2024. Exact Sciences Corporation was the largest of 3 companies reporting payments in 2025, $80.25 in all, mostly food and beverage. Lists Community Hospital and 2 other hospitals as hospital affiliations.

Overview

NPI1255335816
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 10, 2005
Last updated in NPPESMay 17, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X01048722AIN

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 - Internal Medicine (IN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients592
Services billed2,634 across 32 procedure codes
Paid by Medicare$195,753

Part D prescriptions in 2024

Prescriptions (claims)11,497 · 28,556 30-day fills
Patients779
Total drug cost$896,926
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Graduation year1995
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$80.25 · 4 payments from 3 companies
  • 2024$68.43 · 3 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Exact Sciences Corporation$42.792
Tonix Medicines, Inc.$19.061
Abbvie Inc.$18.401

What the 2025 payments were for

  • Food and Beverage$80.25 · 4 payments

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

Other Internal Medicine providers in Saint John

All Internal Medicine providers in Indiana →