Ruben Bonilla-Guerrero, MD, DABMG, FACMG, FACB, MB(ASCP)CM, CGMBS

Medical Director, Medical Affairs, Genetics 
Associate Medical Director, Genetics 
Phone: 949-728-4249 

About the Doctor

Dr. RubĂ©n Bonilla-Guerrero is the Medical Director of Medical Affairs, Genetics for Quest Diagnostics, Inc. and the Associate Medical Director of Genetics at the Quest Diagnostics Nichols Institute in San Juan Capistrano, California. Dr. Bonilla-Guerrero is a laboratory physician leader in the field of esoteric testing, diagnostic, research, and development. 

Areas of Specialization

Dr. Bonilla-Guerrero is an award-winning published author, with specialized interest in biochemical, molecular genetics and clinical pharmacology/ pharmacogenetics and genomics. 

Professional Affiliations

Dr. Bonilla-Guerrero has been affiliated with several medical associations, including: 
  • American Medical Association 
  • Mayo Clinic Fellows Association 
  • Society for Inherited Metabolic Disorders 
  • Society for the Study of Inborn Errors of Metabolism 
  • American Association of Clinical Chemistry 
  • American Society for Clinical Pathology 


Clinical Biochemical Genetics 
Mayo Clinic 
Rochester, Minnesota 
Experimental Pathology 
Mayo Clinic 
Rochester, Minnesota 


Clinical Pharmacology 
Mayo Clinic 
Rochester, Minnesota 


Doctor of Medicine 
Universidad Veracruzana 
Veracruz, Mexico 

Board Certifications

Clinical Biochemical Genetics American Board of Medical Genetics 
Molecular Genetics 
American Society for Clinical Pathology 

Major Awards

2013 American Association of Clinical Chemistry 
Outstanding Speaker 
2012 American Association of Clinical Chemistry 
Outstanding Speaker 
2003 Mayo Clinic Outstanding Research Fellow 
2002 Henry Christian Award National Federation for Medical Research 
Johns Hopkins University, Baltimore, Maryland

Select Publications 

Strom, C.M., et al., The sensitivity and specificity of hyperglycosylated hCG (hhCG) levels to reliably diagnose clinical IVF pregnancies at 6 days following embryo transfer. J Assist Reprod Genet, 2012. 
Bonilla Guerrero, R., et al., Essential fatty acid profiling for routine nutritional assessment unmasks adrenoleukodystrophy in an infant with isovaleric acidaemia. J Inherit Metab Dis, 2008.

Additional publications.