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Ronnie Ranjan Mandal, D.O,MBA,MS,MT(ASCP)

NPI 1104002872ActiveIndividual· Internal Medicine· Chicago, IL

Internal Medicine (D.O,MBA,MS,MT(ASCP)) with Select Rehabilitation, LLC, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $740,377 for 10,404 claims, against $117,067 paid for services in 2024. Viiv Healthcare Company was the largest of 16 companies reporting payments in 2025, $1,829 in all, mostly food and beverage. Lists Northshore University Healthsystem - Evanston Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1104002872
StatusActive
Entity typeIndividual
CredentialD.O,MBA,MS,MT(ASCP)
Sole proprietorYes
NPI issuedJan 12, 2008
Last updated in NPPESJun 15, 2026
Certified by providerJun 15, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X036119779IL

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 (IL); Practitioner - Internal Medicine (IN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients187
Services billed1,463 across 16 procedure codes
Paid by Medicare$117,067

Part D prescriptions in 2024

Prescriptions (claims)10,404 · 14,664 30-day fills
Patients355
Total drug cost$740,377
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Graduation year2005
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,829 · 61 payments from 16 companies
  • 2024$1,336 · 48 payments from 9 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,829 · 61 payments

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

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