Eileen H. Koh, MD

NPI 1114311248ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Seattle, WA

Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Seattle, Washington, trained at Js Weill Medical College, Cornell University (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $282,197 for 646 claims, against $24,825 paid for services in 2024. Sequel Med Tech, LLC reported $17.17 in payments in 2025, mostly food and beverage.

Overview

NPI	1114311248
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Mar 26, 2015
Last updated in NPPES	Dec 5, 2023
Certified by provider	Dec 5, 2023

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary	207RE0101X	MD60779932	WA
Hospitalist	208M00000X	MD60779932	WA
Internal Medicine	207R00000X	MD60779932	WA

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 (WA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	102
Services billed	428 across 11 procedure codes
Paid by Medicare	$24,825

Part D prescriptions in 2024

Prescriptions (claims)	646 · 1,341 30-day fills
Patients	112
Total drug cost	$282,197
Generic share	41% of claims

Medicare sources and data years

Education and affiliations

Medical school	Js Weill Medical College, Cornell University
Graduation year	2015
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth