Dr Peter McCann, MBBS, MSc, MRCPsych, is the Medical Director of Castle Craig. He is a Consultant Psychiatrist, specialising in addictions with experience of treatment both in the United States and the United Kingdom.
Dr McCann previously worked as a Senior House Officer at the Hepatology Unit of St George’s Hospital, London, before moving to the U.S and completing a Residency Training program in combined Internal Medicine and Psychiatry at Duke University Hospital, North Carolina, serving as Chief Resident in his final year in Addiction Psychiatry. He worked previously for NHS Lothian in Edinburgh.
He obtained a Bachelor of Medicine and Surgery (Medical School degree) and a Master’s of Science in Neuroscience (Distinction) at King’s College London. He completed his foundation training in the South Thames Deanery, working at Guy’s and St Thomas’ Hospitals.
He is on the GMC Specialist Register for General Psychiatry in the U.K and is also U.S. Board-certified in both General Psychiatry and Internal Medicine. He is BUPA Registered.
Dr Peter McCann in the media
April 2026 – Dr McCann discusses the impact of the ISO 9001 accreditation. Continue reading.
April 2026 – Castle Craig achieves ISO 9001 accreditation, and the news is shared on industry favourite DB Recovery Resources. Continue reading.
March 2026 – Dr McCann speaks to The Sunday Post about the impact of cannabis – particularly on younger people. Continue reading.
August 2025 – Dr McCann talks to STV News about cocaine use and what the team is experiencing at Castle Craig. Continue reading.
November 2025 – Dr McCann is interviewed by 19198 Magazine’s Gemma Fraser on the epidemic of steroid use. Continue reading.
November 2018 – “We now have new evidence that the weather, and in particular the temperature and amount of sunlight that we are exposed to, has a strong influence on how much alcohol we consume.” Dr McCann discusses climate-related patterns of alcohol use with the BBC. Continue reading.
November 2018 – Dr McCann co-authored a neuroscience paper on the direct correlation of climate to alcohol consumption. Continue reading.
Browse the full list of Castle Craig’s media appearances here.