Medical Staff

Dr. Scott Kellermann, MD, MPH, TM –  Medical Director

Dr. Kellermann received his medical degree and master degrees in public health and tropical medicine from Tulane University School of Medicine. He was an intern at USC/LA County hospital and a Family Practice resident at UCLA. Dr. Kellermann was in private practice in Family Medicine in Nevada City, California from 1981 to 2001.

In 2001 he and his wife Carol relocated to SW Uganda to live and work with the Batwa pygmies of the Bwindi Impenetrable Forest. Dr. Kellermann has written several chapters for medical textbooks and has published many journal articles regarding diseases of the tropics. He has been honored with numerous awards including Rotary’s Service above Self Award, New York University’s – Excellence in Public Health, Catholic HealthCare West’s Award of Excellence, American Medical Association’s – Excellence in Medicine and the Wisdom in Action’s Unsung Hero of Compassion Award presented by the Dali Lama.

In 2017 he was a Fulbright Scholar teaching tropical medicine in Africa. He is on the faculty of the University Of San Francisco School Of Nursing.

In May, 2018, Dr. Kellermann joined the staff at CoRR as the medical director. Dr. Kellermann recognizes that addiction can be an overwhelming illness for the patient and loved ones and that the recovery process is a difficult but virtuous path. He is honored be a member of the dedicated team at CoRR, giving support and advocacy for all those who are seeking a life free from addiction.

Dr. Aaron Cleveland

AAron-SuperDr. Cleveland, MD graduated from UC Davis Family Medicine Program in 2002.  He is a member of both The American Academy of Family Practice and The American Society of Addiction Medicine.  He is Board Certified in both Addiction Medicine and Family Medicine.  He has had publications as a newspaper columnist in the Mountain Democrat where he wrote on basic medical issues, as well as addiction; he has also published articles in the El Dorado Style Magazine and is soon to be published in the Psychiatric Times.  Dr. Cleveland has given several lectures throughout the state including an audience in front of The California State Director and Deputy Director of Drug, Osteopathic Physician and Surgeons Conference, and California Drug and Alcohol Counselors.

Dr. Cleveland, MD works for the Indian Health Service in treating Substance Dependency and General Medicine, as well as serving as Associate Clinic Director at the Roseville Campus within Community Recovery Resources.  His experience with musculoskeletal pain, psychiatry, chronic pain and addiction, in addition to his core training in Family Medicine makes Dr. Cleveland, MD uniquely qualified to serve CoRR at the highest capacity.

D. Cleveland’s overall approach is to optimize patient care by combining both holistic and allopathic medicine.  Overall, Dr. Cleveland has been serving CoRR for 6 years and is a valued asset to CoRR’s continued mission to serve those troubled with Substance Dependency.

Dr. Jeffrey Knowles

Dr. Knowles joined CoRR in 2012 to help with the Diagnosis and Treatment of Addiction and Comorbid Disorders.  He is Board Certified in Adult Psychiatry.  He worked as a family practicioner before becoming certified in Addiction Medicine (ASAM) in 1988.  He returned to training at the University of Washington completing his Psychiatry Residency in 1999.  Most recently he has worked at the Sacramento VA Medical Center as an Addiction Psychiatrist dealing with complex issues which include PTSD, Depression, Anxiety and Substance Use Disorders.  He is on staff at University of California at Davis as an Assistant Clinical Professor.  His passion is identifying and continuing treatment of other issues especially trauma to help people move forward in their recovery from Addictive Disorders.

Gabriel Ramirez, Physician Assistant

Gabriel Ramirez is a nationally certified physician assistant specializing in addiction medicine at Community Recovery Resources. He obtained his BA in medical anthropology and completed his medical training at the University of Washington. He has worked with the underserved population for most of his career including primary and urgent care setting. He has also  partnered with a local physician in Oxnard, California to treat patient in advance wound management and recently served in the U.S Army Reserves as Medical Officer.  He is certified by the National Commission for Certification of Physician Assistants and is a past member of Undersea & Hyperbaric Medical Society.  He has recently obtained his X waivered certification for substance abuse treatment.