James F. Simon, M.D.

NPI 1346231180ActiveIndividual· Internal Medicine, Nephrology· Cleveland, OH

Internal Medicine, Nephrology (M.D.) in Cleveland, Ohio, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $125,961 for 786 claims, against $14,815 paid for services in 2024. Calliditas Therapeutics US Inc. reported $2,100 in payments in 2025, mostly consulting fees.

Overview

NPI	1346231180
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Nov 1, 2005
Last updated in NPPES	Aug 17, 2016

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Nephrology Primary	207RN0300X	35089531	OH

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Nephrology (OH)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	107
Services billed	222 across 8 procedure codes
Paid by Medicare	$14,815

Part D prescriptions in 2024

Prescriptions (claims)	786 · 1,566 30-day fills
Patients	108
Total drug cost	$125,961
Generic share	82% of claims

Medicare sources and data years

Education and affiliations

Medical school	Loyola University of Chicago, Stritch School of Medicine
Graduation year	1998
Medicare specialty	Nephrology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth