Jaehyun Kim, MD

NPI 1508397563ActiveIndividual· Internal Medicine, Gastroenterology· Orange, CA

Internal Medicine, Gastroenterology (MD) in Orange, California, trained at University of Texas Southwestern Medical School at Dallas (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $306,070 for 522 claims, against $58,302 paid for services in 2024. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $94.63 in all, mostly food and beverage.

Overview

NPI	1508397563
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Mar 22, 2017
Last updated in NPPES	May 22, 2025
Certified by provider	May 22, 2025

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	A169959	CA
Internal Medicine	207R00000X	A169959	CA
Internal Medicine, Gastroenterology	207RG0100X	U4544	TX

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 - Gastroenterology (CA); Practitioner - Gastroenterology (TX)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	243
Services billed	556 across 38 procedure codes
Paid by Medicare	$58,302

Part D prescriptions in 2024

Prescriptions (claims)	522 · 906 30-day fills
Patients	205
Total drug cost	$306,070
Generic share	74% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Texas Southwestern Medical School at Dallas
Graduation year	2017
Medicare specialty	Gastroenterology
Telehealth	Offers telehealth