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Geriatric Specialist (elderly care)
25 years of experience
Accepting new patients
License & Identifications

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).

Learn more about Dr. David Chang:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. David Chang is Excellent. Dr. Chang has been reviewed by 3 patients who have provided 0 comments. The rating is 4.5 out of 5 stars.

Specialties & Research

  • He has special expertise in 1 area:
  • Alzheimer's Disease

Education & Awards

Dr. Chang graduated from University of California at Irvine.


Dr. Chang has 5 hospital affiliations:

  • John Muir Medical Center, Concord Campus 
  • John Muir Medical Center, Walnut Creek Campus 


  • Taiwanese
  • Mandarin
  • Chinese

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Additional Information
Dr. David Clifford Chang MD is a male Internist, has 25 years of experience and practices in Geriatric Medicine.
Where does Dr. David C. Chang practice?
Dr. David Chang has 2 office locations.
Dr. David Chang practices Geriatric Medicine near Los Angeles, CA.
Additional practice locations include: Valencia, CA.
See Los Angeles Geriatric Doctors.