Guoyu Ling, MD
Endocrinology, Internal Medicine
SLUCare Physician Group
1225 S. Grand Blvd., Second Level, St. Louis, MO 63104
Office Number
314-617-2655Dr. Guoyu Ling specializes in treatment of patients with diabetes, adrenal disorders, and obesity-related endocrine disorders. His services include dynamic function tests of hormonal axis, evaluation and treatment of endocrine disorders, and comprehensive diabetes care.
His research interests include how obesity leads to endocrine dysfunction, such as hyperaldosteronism. He also conducts basic research in the laboratory.
Dr. Ling is an assistant professor in the Department of Internal Medicine, Division of Endocrinology, Diabetes and Metabolism, at Saint Louis University School of Medicine.
Dr. Ling is an associate member of the Endocrine Society and American Association of Clinical Endocrinologists.
He volunteers as a teaching physician at a free Chinese clinic run by medical students.
His research interests include how obesity leads to endocrine dysfunction, such as hyperaldosteronism. He also conducts basic research in the laboratory.
Dr. Ling is an assistant professor in the Department of Internal Medicine, Division of Endocrinology, Diabetes and Metabolism, at Saint Louis University School of Medicine.
Dr. Ling is an associate member of the Endocrine Society and American Association of Clinical Endocrinologists.
He volunteers as a teaching physician at a free Chinese clinic run by medical students.
About Guoyu
Specialties
Endocrinology
Internal Medicine
Gender
Male
Education
Sun Yat-Sen University Medical Science
Medical School, 1994
State University of New York-Albany
Doctor of Philosophy, 2005
Washington University School of Medicine
Fellowship, 2017
St. Luke's Hospital - Chesterfield
Residency, 2014
Saint Louis University School of Medicine
Fellowship, 2021
St. Luke's Hospital - Chesterfield
Internship, 2012
Certifications
Missouri State Board of Registration
American Board of IM-Endocrinology, Diabetes/Metab
Missouri Dept of Health/Narcotics&Dangerous Drugs
Drug Enforcement Administration
Patient Reviews
The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
4.6 out of 5
49 ratings,
20 reviews
12/11/2025
He’s a very direct man who speaks the truth to me about how to stay healthy
12/5/2025
Great experience. He listened to my comments and seemed to care about the path forward.
10/30/2025
The visit, was good.
10/23/2025
Professional
9/22/2025
Willing to try remedies that I was comfortable with.
Map & Directions
SLUCare Physician Group
1225 S. Grand Blvd., Second Level,St. Louis, MO 63104