Our Doctors

Dr. Coleman is the founder of The Coleman Institute. He grew up in New Zealand and attended medical school there before moving to the US in 1980 to complete his Family Practice residency in Chapel Hill, NC. Dr. Coleman moved to Richmond in 1988. He has over 30 years of experience in the field of addiction medicine, as well as family practice medicine. Dr. Coleman is board certified in Addiction Medicine by the American Board of Preventive Medicine and in Family Medicine by the American Board of Family Medicine. Outside of the office, he enjoys Stand Up Paddle boarding, surfing and mountain climbing.

Dr. Swainey is the Medical Director of the Coleman Institute in Richmond, VA. Born and raised in North Carolina, he remains an avid Tar Heel fan. Dr. Swainey completed his undergraduate education at Appalachian State University with a degree in Chemistry and Biology. He completed medical school at UNC Chapel Hill in 2002 and then moved to Richmond to begin an Internal Medicine Residency at Virginia Commonwealth University. He went on to complete fellowships in Hospice and Palliative Medicine, as well as in Medical Oncology. He served as an Assistant Professor of Medical Oncology and Palliative care from 2008-2015. In 2015 Dr. Swainey changed career paths to Addiction Medicine due to both his personal and family struggles with Substance Use Disorders. Dr. Swainey has worked as an Addiction Medicine Provider in many settings including Medication-Assisted Treatment (MAT) for Opioid Use Disorder with Methadone and Buprenorphine (Suboxone), as well as with naltrexone. Dr. Swainey currently lives in Powhatan, VA with his wife and 6 (!!!!!) children. He is extremely passionate about helping others get into recovery from addiction.

Dr. Chen specializes in Addiction Medicine and Pain Management. He is board certified by the American Board of Addiction Medicine and is our Addiction Medicine specialist in the Dallas area. He provides outpatient medical detox services to help patients suffering from opioid and alcohol dependence or addiction.

Dr. Banimahd is an Addiction Medicine specialist in Orange County, CA. He ascribes to the traditional model that the best outcome for a patient’s care is building relationships with a highly skilled professional and most importantly, that is who you see on regular encounters. This is good medicine for the body and soul. Dr. Faried Banimahd was named one of the top 100 most influential members of the community in 2017 for his treatment of those suffering with addiction. He is widely known as one of the most popular content-creators about addiction on TikTok and YouTube under his channels named “Dr. B Addiction Recovery.

Daniel Glatt, MD MPH, was board certified in Internal Medicine in 1996 and re-certified in 2008. He was also certified in Addiction Medicine in 2001 by ASAM and re-certified in 2010. He served 7 years on active duty as a physician in the U.S. Navy from 1992-1999. Dr. Glatt completed 2 years of specialty training in Addiction Medicine at the San Francisco VA Medical Center. In addition to his medical degree from New York Medical College, he earned a masters in Public Health (MPH) from Harvard University. He is board certified by the American Board of Addiction Medicine.

Dr. Glatt, along with his father, Dr. William Glatt, has treated many patients under the Glatt Medical, LP banner. The senior Dr. Glass was the Medical Director of the Chemical Dependency Services at Mills-Peninsula Hospital from 1981 until 2012. He has written and lectured on the Healing Powers of Love and Hugging and the Immune System. Dr. Glatt was Chairman of the Department of Internal Medicine at Mills-Peninsula Hospital for four years. He was an active member of the ASAM Public Policy Committee. ASAM Certified: 1986. ASAM Re-certified: 1996. Elected a Fellow of the American Society of Addiction Medicine in 2001. He is Board Certified by the American Board of Addiction Medicine and the American Board of Internal Medicine and was elected a Fellow of the American Board of Internal Medicine in 1985.

Barbara Mendrey, MD started treating patients who suffer with addiction in 2005. She has come to appreciate the difficult struggle that many face. Over the last decade she increased her interest and expertise in the field of addiction treatment and now holds Board Certification in both Family Medicine and Addiction Medicine. She is the owner of Northshore Family Practice, which provides ongoing support after detox is completed. Additional clinical interests include natural medicine and health promotion. Dr. Mendrey is a graduate of the Oregon Health Sciences University School of Medicine. She completed her family practice residency through UCLA. She is board certified in Family Practice and recently became board certified in addiction medicine. Since then, she has operated a health clinic, a birthing center, and an emergency room in rural Colorado, earned a Bachelor of Arts in Theology, and joined the US Army Reserve, gaining experience in tropical medicine. She started Northshore Family Practice in Kenmore, WA in 2002 and has since moved the practice to Bothell, WA, where she is focused on addiction medicine. When she is not in the clinic, you may find her battling weeds in the garden, spending time with the family and skiing in Montana. Currently, she is focused on developing outpatient addiction treatment services.

William Keating, MD is a board certified family practitioner and the owner of the practice. He has built an environment of camaraderie, trust, peace, tranquility and team work. He essentially sees all age groups from childhood to the geriatric population for primary care purposes. He is also board certified in addiction medicine.

Dr. Imtiaz Hossain was born in Bangladesh and moved to the United States 26 years ago. He completed his undergraduate and then went on to receive his medical degree at the University of Dhaka, Bangladesh. Further medical training includes residencies through the Albert Einstein College of Medicine in New York and the University of Toronto, Canada. He is board certified in Anesthesiology and Pain Management. In his spare time, Dr. Hossain enjoys traveling and spending time with his family.

Dr. Daniel Frederick was born in New Orleans, Louisiana. He completed his undergraduate studies with a major in Psychology at the University of Texas. He then went on to receive his medical degree at the University of Texas, Medical Branch. Further medical training includes an anesthesiology residency at the University of Florida Shands Hospital and a pain management fellowship at Emory University. He is board certified in Anesthesiology and Pain Management by the American Society of Anesthesiologists. In his spare time, Dr. Frederick enjoys spending time with his family, playing tennis, and fishing.

Dr. Rick M. W. Sloan graduated from the University of Colorado School of Medicine in 2002 and served his residency at St. Joseph’s Hospital in Phoenix in the family medicine program. During his last year in the program, he served as Chief Resident. As a physician, Dr. Sloan began his career with Indian Health Services at the Salt River and Gila River clinics. In the fall of 2010, Dr. Sloan established himself in his private practice. Dr. Sloan has been developing his practice in the field of addiction and dependency. His practice focuses on his patients needs and orients their care within the standards of care, emphasizing compassion and common sense. Dr. Sloan served on the Governor’s Substance Abuse Task Force in Arizona in 2016, which helped develop strategies to assist in the national opioid epidemic. Dr. Sloan continues the fight against drug addiction and dependency.

Dr. Nathan Moore is Board-certified by the American Board of Family Medicine. Dr. Moore attended Stanford University in Palo Alto, CA for his undergraduate work and then attended Duke University School of Medicine and obtained his M.D. in 1995. He provides comprehensive family medicine services and is our Addiction Medicine specialist in the Denver area. Dr. Moore is on the board of directors for FACES, a Denver-based non-profit whose mission is to prevent child abuse and neglect.

Philip Isherwood, MD, is the National Medical Director for AppleGate Recovery. He cofounded AppleGate Recovery and has been an integral part of their treatment programs since 2008. Dr. Isherwood has been treating opioid addiction since 2004. He supervises physician teams at all AppleGate Recovery centers to ensure that patients receive professional, compassionate and respectful care. Dr. Isherwood graduated medical school from the University of Illinois and was an Associate Professor of Clinical Family Medicine at Louisiana State University Health Sciences Center-Shreveport. He has also served as an Emergency Medicine Physician. He was the Medical Director for an opiate treatment facility in Shreveport, Louisiana. Additionally he is a Colonel in the United States Army Reserves, and served four deployments to Iraq and Afghanistan.