Dr. Alan Brookstone

Program Administrator

Dr. Alan Brookstone is an addiction medicine physician with 30+ years of clinical experience and over 15 years as a user of Electronic Health Records and information technology in clinical settings. He provides strategic leadership to Precision Medical Monitoring and quality assurance for all programs and services. Email 

Patrice Gower

Medical Monitor | Recovery Services Specialist

Patrice Gower has worked in Disability Management and Rehabilitation Consulting for nearly 30 years. During this time she has provided in-house rehabilitation, disability management and return to work consulting services for major insurers and large public employers. She brings this vast experience to her role as Medical Monitor. Email

Tara Hall

Medical Monitor | Clinical Program Coordinator

Tara Hall is a medical monitor and clinical coordinator. She is currently completing her Master of Counselling at City University of Seattle, has completed her SAP and MROA training. In addition to her role as a monitor, Tara coordinates care for clients returning from residential treatment who require re-assessment or return to work evaluations. Email

Yasmin Layne

Medical Monitor

Yasmin is a medical monitor and nurse and with 20 Years of Addiction Nursing experience including withdrawal management, residential treatment and urgent addiction coordination in emergency department settings. She has developed programs for Alcohol & Drug Services throughout the Lower Mainland. Email

John McMahon

Medical Monitor

John McMahon is the newest member of the Precision monitoring team. He previously worked as an addiction counselor for 9 years before joining Precision Medical Monitoring. He has had extensive experience working with individuals with substance use disorders and draws from his own personal recovery and professional life skills experience. Email

Sandra Hersch

Senior Program Manager

Sandra Hersch has over 20 years of experience as a medical office assistant and program manager and has completed her MROCC certification. She has substantial expertise working with office processes and procedures and coordinates operations at Precision Medical Monitoring. Email

Sabrina Fernando

Executive Assistant | Office Manager

Sabrina Creta has extensive experience in customer service and administration, in additional to exceptional organizational skills. Sabrina manages the Surrey office. Contact Sabrina regarding booking availability and for any additional questions. Email

Sarah MacDonald

Executive Assistant | Office Manager

Sarah MacDonald has extensive experience in healthcare settings, informatics and office administration. Sarah has her Bachelor of Arts with a Major in Psychology and a focus in behavioural economics. Sarah manages the Vancouver office. Contact Sarah regarding booking availability and for any additional questions. Email


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