Justin Youngbin Rheem, M.D.

NPI 1205246113ActiveIndividual· Internal Medicine· Los Angeles, CA

Internal Medicine (M.D.) in Los Angeles, California, trained at Loma Linda University School of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $3,783,831 for 21,936 claims, against $164,206 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $1,920 in all, mostly food and beverage.

Overview

NPI	1205246113
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	Yes
NPI issued	Apr 30, 2014
Last updated in NPPES	Feb 12, 2021
Certified by provider	Feb 12, 2021

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	A137983	CA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Internal Medicine (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	318
Services billed	3,039 across 42 procedure codes
Paid by Medicare	$164,206

Part D prescriptions in 2024

Prescriptions (claims)	21,936 · 41,006 30-day fills
Patients	1,165
Total drug cost	$3,783,831
Generic share	77% of claims

Medicare sources and data years

Education and affiliations

Medical school	Loma Linda University School of Medicine
Graduation year	2014
Medicare specialty	Internal Medicine
Secondary specialties	Geriatric Medicine
Telehealth	Offers telehealth