James Y. Chang, M.D. Announces the closing of his medical practice effective April 30, 2020. For a copy of your medical record or to have it forwarded to another physician, please contact the office at (661) 316-8888 by April 30, 2020. It has been a great honor and privilege to serve my patients for over 31 years. I would like to thank the Bakersfield medical community and all the wonderful patients who have entrusted their care to me. James Y. Chang, M.D. Announces the closing of his medical practice effective April 30, 2020. For a copy of your medical record or to have it forwarded to another physician, please contact the office at (661) 316-8888 by April 30, 2020. It has been a great honor and privilege to serve my patients for over 31 years. I would like to thank the Bakersfield medical community and all the wonderful patients who have entrusted their care to me.