Roger Chang, M.D.

NPI 1730158239ActiveIndividual· Hospitalist· Orange, CA

Hospitalist (M.D.) in Orange, California, trained at Northwestern University Feinberg Medical School (class of 2001). In 2024 Medicare paid $27,749 for 107 patients, and Part D covered 168 of their prescriptions, 89% of them generic. Scpharmaceuticals Inc. was the largest of 2 companies reporting payments in 2024, $55.87 in all, mostly food and beverage.

Overview

NPI	1730158239
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Mar 16, 2006
Last updated in NPPES	Oct 21, 2020
Certified by provider	Oct 21, 2020

Specialties and licenses

Taxonomy	Code	License	State
Hospitalist Primary	208M00000X	A81984	CA

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 - Internal Medicine (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	107
Services billed	275 across 12 procedure codes
Paid by Medicare	$27,749

Part D prescriptions in 2024

Prescriptions (claims)	168 · 179 30-day fills
Patients	85
Total drug cost	$6,732
Generic share	89% of claims

Medicare sources and data years

Education and affiliations

Medical school	Northwestern University Feinberg Medical School
Graduation year	2001
Medicare specialty	Internal Medicine
Secondary specialties	Hospitalist
Telehealth	Offers telehealth