Fumie Jill Nishiyama, M.D.

NPI 1518012459ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Cincinnati, OH

Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Cincinnati, Ohio, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $1,035,148 for 2,560 claims, against $44,293 paid for services in 2024. Abbott Laboratories was the largest of 3 companies reporting payments in 2025, $154.16 in all, mostly food and beverage.

Overview

NPI	1518012459
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jan 23, 2007
Last updated in NPPES	Apr 19, 2016

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary	207RE0101X	35.086599	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 - Endocrinology (OH)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	152
Services billed	5,582 across 14 procedure codes
Paid by Medicare	$44,293

Part D prescriptions in 2024

Prescriptions (claims)	2,560 · 5,491 30-day fills
Patients	298
Total drug cost	$1,035,148
Generic share	29% of claims

Medicare sources and data years

Education and affiliations

Medical school	Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Graduation year	1998
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine