Dr. Jeffrey Hergenrather is a general practitioner specializing in Cannabis/Cannabinoid medicine since 1999.  

His medial experience includes 26 years in emergency medicine and private general practice that includes the medical use of Cannabis since 1977.  He continues in an active consultation practice in northern California with face-to-face, telephone, and on-line consultations for the use of Cannabis as medicine.

Dr. Hergenrather’s practice, research, and teaching focus on the medicinal uses of Cannabis through a wide range of conditions and age groups – from infants to elder care.  He is a founding member and current president of the Society of Cannabis Clinicians, a non-profit corporation dedicated to quality patient care, educational programs, and clinical studies.  

He is a member of the International Cannabinoid Research Society (ICRS) and the International Association for Cannabinoids in Medicine (IACM).  

Additionally, Dr. Hergenrather works as an expert witness and consultant to local governments in industry in creating safe access to Cannabis medicines.