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Chih-Jen Cheng, MD

NPI 1073281705ActiveIndividual· Internal Medicine, Nephrology· Iowa City, IA

Internal Medicine, Nephrology (MD) with State University of Iowa, practicing in Iowa City, Iowa. Mostly services rather than prescriptions: Medicare paid $49,406 for 110 patients in 2024, with only 25 Part D claims. Lists University of Iowa Health Care Medical Center Down and 1 other hospital as hospital affiliations.

Overview

NPI1073281705
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 30, 2021
Last updated in NPPESDec 18, 2025
Certified by providerDec 18, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300XSP-0239IA
Internal Medicine207R00000XSP-0239IA

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 - Nephrology (IA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients110
Services billed389 across 17 procedure codes
Paid by Medicare$49,406

Part D prescriptions in 2024

Prescriptions (claims)25 · 34 30-day fills
Total drug cost$1,810
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Graduation year2000
Medicare specialtyNephrology
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Internal Medicine, Nephrology providers in Iowa City

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