Find a Doctor at Grand River Medical Group

Zhengjin Cao, MD, PhD

Year Started

Dr. Zhengjin Cao provides care in general internal medicine in both the clinic and hospital settings.

Dr. Cao enjoys getting to know his pateients and finding ways through medicine to improve their day to day lives. In his free time, Dr. Cao enjoys gardening, reading, and traveling.


Professional Affiliations

American College of Physicians

Iowa Medical Society



"Mitochondrial DNA deletion mutations are concomitant with ragged red regions of individual, aged muscle fibers: analysis by laser-capture miscrodissection." Nucl. Acids Res. (2001) 29 (21):4502-4508. doi:10.1093/nar/29.21.4502

"Mitochondrial DNA deletion mutations colocalize with segmental electron transport system abnormalities, muscle fiber atrophy, fiber splitting, and oxidative damage in sarcopenia." February 2001 The FASEB Journal vol. 15 no. 2 322-332. doi:10.1096/fj.00-0320com


Awards & Recognitions

PhD in Cellular and Molecular Biology


Office Locations

Zhengjin Cao, MD, PhD
Graduate Education
University of Wisconsin - Madison
Medical School
Jiangxi Medical College, Jiangxi, China
Aurora Sinai Medical Center, Milwaukee, WI
Board Certification
Internal Medicine
Mandarin Chinese

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