Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Roger Chang, MD

Individual provider Hospitalist Physician · NPI 1730158239

Roger Chang, MD is an Internal Medicine in Orange, California. Graduated from Northwestern University Feinberg Medical School in 2001, 25 years ago. Practices with Providence Medical Foundation, a 1,465-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
25
Trained at
Northwestern University Feinberg Medical School
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2501 E Chapman Ave
Orange, CA 92869
Phone: (714) 771-8000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1310 W Stewart Dr, Orange, CA 92868-3854 — (714) 639-9401

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A81984 (CA)

Record details

NPI number1730158239
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 16, 2006
Last updated in NPPESOctober 21, 2020
Certification dateOctober 21, 2020
Mailing address2501 E Chapman Ave, Orange, CA 92869-3204

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2001 (25 years in practice)
Group practice Providence Medical Foundation — 1465 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Other providers in Orange