Garrett Stenson is the Program Director.  He graduated with a degree in Psychology from California Polytechnic State University in 1997 and earned his Master’s Degree in Social Work from CSUS in 2001.

Garrett has served as a Program Director in the field since 2004 and has over 25 years of experience in MAT. Garrett enjoys interacting with patients and doing presentations in the local community to help reduce stigma in our patient population, which they too frequently experience.

Marshall Stenson is the Business Services Director.  Marshall graduated with a Business Degree from Cal State University of Monterey Bay.

He has been working in the Medication Assisted treatment field for over 20 years in various roles from HR assistant to Clinic Manager before becoming the Business Services Director.  Marshall has spent significant time engaging different payers to cover treatment to help expand access to Medication Assisted treatment.

Sally Wynn, Dr. AD, Clinic Manager.  Sally earned her Doctorate Degree with the Breining Institute, has been a certified substance use counselor for over 27 years and has worked for C.O.R.E. for over 7 years.

Sally developed and co-authored curriculum for the first known counselor training manual and creation of the first known counselor certification for MAT counselors.  Sally has a passion for helping the patient recover and cultivating counselors to better meet the patient where they’re at.  

Phillip Summers, MD MPH completed his training in Emergency Medicine and has a true passion for Addiction Medicine.  Dr. Summers has been working with C.O.R.E. since 2020.

He has worked in several local Emergency Departments, and is the Assistant Program Director for the Addiction Medicine Fellowship at UC Davis, hosting fellows and medical students at CORE.  Dr. Summers has an interest in innovative buprenorphine starts and polysubstance use disorders, including benzodiazepines tapers and medications for stimulant and alcohol use disorders.  He also works with local harm reduction organizations and interfaces with local jails and Emergency Departments to push for equitable treatment for people who use drugs.

Katelyn Sharp has been working as a Nurse Practitioner at C.O.R.E. since 2018. Katelyn earned her degree at Vanderbilt University.

She began her NP career in primary care, and just so happened to get an opportunity to shadow for a day in a new MAT program. That day kickstarted her interest in addiction medicine, and she now never wants to do anything else. Katelyn conducts patient admissions and provides critical medical care to our patient population.

Medical Director, Christine Bell, M.D., was trained as an anesthesiologist but has exclusively practiced in Addiction Medicine at C.O.R.E. since its inception in 2009. Our amazing Dr. Bell is board certified in both addiction medicine and anesthesia. She was also nominated Sacramento's top doctors 2021 and 2022. She graduated from MCP Hahnemann in 2001 and completed her residency in anesthesiology from UCD in 2005.

Dr. Bell runs the pregnancy program at C.O.R.E. She works with each pregnant patient to improve the outcome of both baby and mother. Dr. Bell’s community focus is on educating local children and school administrators about Narcan.

Parita Shah is a Physician Assistant at C.O.R.E. specializing in MAT. With nearly 10 years of psychiatry experience, she is dedicated to providing compassionate care to unhoused, veteran, incarcerated, and underprivileged communities. Parita received her training from Wayne State University in Detroit, and is committed to advocating for those who have been traditionally underserved. In Michigan, she served as an elected university representative and spearheaded initiatives to provide resources for LGBTQ+ and minority populations.

Parita is an advocate for holistic mental healthcare and works with representatives to pass legislation to support this cause. At C.O.R.E., she collaborates with our multidisciplinary team to provide personalized, non-judgmental treatment for our patients. She also leads classes on meditation and yoga to help with healing and recovery in the community.