Summary

Dr. Roger Chang is an internal medicine physician who specializes in hospital medicine, bringing 25 years of experience to patient care. He earned his medical degree from Northwestern University Feinberg School of Medicine and focuses on providing comprehensive care for hospitalized patients. Dr. Chang speaks English and has built his expertise over more than two decades of clinical practice.

Dr. Chang practices at multiple locations throughout Orange, California, including Saint Joseph Hospital Orange, UCI Medical Center, and Chapman Medical Center Inc. He treats patients with high blood pressure and related conditions, including serious cases requiring immediate attention. Roger Chang also performs essential diagnostic tests such as blood work to monitor patient health and guide treatment decisions.

AI-generated from data on this provider profile.

Quick Facts

  • 25 years of experience
  • speaks English
  • Northwestern University Feinberg School Of Medicine
  • 2 specialties
  • 5 areas of expertise
  • 2 board certifications
  • 3 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. Roger S Chang has 4 locations

St. Joseph Heritage Medical Group

1100 W Stewart Dr Ste 3205Orange, CA 92868

Uci Medical Center

101 The City Dr SOrange, CA 92868

Saint Joseph Hospital Orange

1100 W Stewart DrOrange, CA 92868

Chapman Medical Center Inc

2601 E Chapman AveOrange, CA 92869

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Dr. Roger S Chang, MDDr. Tooba Rehman, MDDr. Adama Diarra, DODr. Nima Ghadimi, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
25 Years of Experience 16 Years of Experience 14 Years of Experience 29 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, French, Bambara Speaks English, Spanish
Orange , CAKaty , TXTigard , ORScottsdale , AZ
Med School: Northwestern University Feinberg School Of Medicine Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE Med School: Arizona College of Osteopathic Medicine Med School: Univ Iberoamericana Unibe Santo Domingo
Current Profile
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Insurance Plans Accepted by Dr. Roger S Chang

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Roger S Chang has the following 2 specialties

Specialty Expertise

Dr. Roger S Chang has the following 5 areas of expertise

  • Chest Pain
  • Gastrointestinal Bleeding
  • Hospital Medicine
  • Meningitis
  • Pneumonia

Certifications, License, & Education

25 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Medical School

Northwestern University Feinberg School Of MedicineGraduated in 2001

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Frequently Asked Questions

Which hospitals is Dr. Roger Chang affiliated with?
Dr. Roger Chang is affiliated with Saint Joseph Hospital Orange, Uci Medical Center, and Chapman Medical Center Inc.
Does Dr. Roger Chang accept my insurance?
You can see the insurance plans that Dr. Roger Chang accepts on their Vitals profile.
Where is Dr. Roger Chang's office located?
Dr. Roger Chang's office is located at 1100 W Stewart Dr Ste 3205, Orange, CA, 92868.
Is Dr. Roger Chang accepting new patients?
Dr. Roger Chang has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Roger Chang?
You can find contact information for Dr. Roger Chang here on Vitals.

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