A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
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The overall average patient rating of Dr. Christopher Chang is Excellent.
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Specialties & Research
- He has special expertise in 5 areas:
- Acid Reflux Disease (Gastroesophageal Reflux / GERD)
- Hepatitis C
- Irritable Bowel Syndrome (IBS)
- Ulcerative Colitis
Education & Awards
Dr. Chang graduated from University of California at San Francisco. He has 1 awards.
Dr. Chang has 4 hospital affiliations:
- Cedars-Sinai Medical Center
- UCLA Medical Center
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- Additional Information
- Dr. Christopher Han Sheng Chang MD and PHD is a male Internist, has 16 years of experience and practices in Internal Medicine and Gastroenterology.
- Where does Dr. Christopher H. Chang practice?
- Dr. Christopher Chang has 1 office location.
Dr. Christopher Chang practices Internal Medicine and Gastroenterology near Los Angeles, CA.
See Los Angeles Internists and Los Angeles Gastroenterologists.