George Ellis, MD

Dr. Ahmed Valdes is a board certified adult psychiatrist and burgeoning Geriatric Psychiatrist. After completing his undergraduate education at Florida State University, he attended medical school at the University of Miami Miller School of Medicine where he graduated with a combined M.D./M.S. in Genomic Medicine. He subsequently completed psychiatry residency at Jackson Health System/University of Miami and further subspecialized with a fellowship in Geriatric Psychiatry. Dr. Valdes has had the opportunity of working with a diverse array of patients including veterans, inmates, the severely mentally ill, geriatric, and cancer patients across three distinct hospital systems. Dr. Valdes has had varied clinical experiences in specialty inpatient psychiatry units (detox, geriatric, mood disorder), emergency psychiatry, consultation liaison psychiatry, psycho-oncology, and outpatient specialty clinics (HIV, dementia, integrative and collaborative care) via telemedicine and face to face interactions .Dr. Valdes has experience working with adults of all ages, particularly those with depression, anxiety, bipolar disorder, substance use disorders, PTSD, and more. Dr. Valdes employs empathic listening, supportive psychotherapy techniques, and a comprehensive and methodological approach to his visits. Given his broad and diverse training experiences, he enjoys problem solving and working collaboratively with patients to navigate their complex issues and jointly focusing on simple solutions to work towards improving their mental health.

Dr. Long is a board-certified psychiatrist with over 14 years of experience treating adult and older adult patients from a wide variety of cultural and socioeconomic backgrounds. Dr. Long's practice focuses primarily on medication management, in addition to supportive and cognitive and behavioral therapy in 30-minute follow-up visits. Sometimes, Dr. Long will suggest that additional therapy be included in your treatment plan in order to provide the best outcome. Dr. Long received her medical degree from the University of Illinois and completed her residency at Northwestern Memorial Hospital in Chicago. She has worked in emergency psychiatry, community psychiatry and private practice and operated her own independent practice in downtown Chicago. Most recently she has spent over 9 years working with veterans with PTSD and other mental health issues. Dr. Long received her B.A. from Yale University, graduating cum laude with a double major in Biology and Literature. She enjoys working with a wide variety of patients of different ages and from different cultural backgrounds and has extensive experience treating mood disorders, anxiety disorders, and PTSD along with comorbid substance use disorders. Dr. Long views patients as partners working toward a common goal of improving patients' quality of life. She also appreciates the strong connection between physical and mental health and provides encouragement and support to patients to make behavioral changes that will benefit both.

Dorcas Adepoju is from the Washington, D.C. metropolitan area. She earned her Doctor of Medicine (MD) degree in 2006 from Loma Linda University School of Medicine in California. She completed her psychiatry residency at the University of Kansas School of Medicine in Wichita, Kansas in 2010 and became board certified in Psychiatry by the American Board of Psychiatry and Neurology in 2012.‍She has a decade of experience working in community mental health centers, including the Center for Health Care Services (CHCS), where she treated people experiencing homelessness and mental illness from 2012 to 2019, and later served on the Assertive Community Treatment (ACT) team from 2019 to 2021, working with a multidisciplinary team providing wraparound services to patients with severe and persistent mental illness, in order to reduce their number of hospitalizations and to improve their quality of life. After working with the ACT Team, Dr. Adepoju worked for a little over 2 years at residential, partial day hospital, and outpatient chemical dependence treatment facilities, offering psychiatric evaluation and treatment to patients with psychiatric and/or substance use disorders. Dr. Dorcas Adepoju specializes in treating patients with severe and persistent mental illness(es) with or without substance use disorder(s). In addition, she has experience treating pregnant women with mental health challenges and continues to stay updated in this area of interest. Dr. Adepoju has a collaborative, patient-centered style of practice, focusing on whole person care and integrating psychotherapeutic techniques with medication management.

Lena Champlin, PMHNP-BC is a dual certified Family Practice and Psychiatric Mental Health Nurse Practitioner. She received her Family Nurse Practitioner degree from the University of South Florida and her Psychiatric Mental Health Nurse Practitioner degree from Augusta University. Since beginning practice in 2013, she has worked in inpatient and outpatient settings seeing a wide range of clients. Her expertise covers psychiatric issues of all types, including anxiety, depression, mood disorders, and ADHD. She is committed to finding solutions for her clients by using a holistic approach that takes into account physical and mental issues. Treatments include therapy, medication, and lifestyle modifications. She enjoys working with clients who are motivated to change and feel better. She takes time to listen to clients and treats each as an individual.

Dr. Mattern is board certified in Adult psychiatry. Her approach to mental health is integrative, with the utilization of complementary and alternative treatments such as yoga, lifestyle changes, and nutritional interventions in addition to traditional medication management and therapy. Dr. Mattern prefers to focus on the overall health and well-being of an individual, rather than just treating symptoms.

Dr. Mattern’s practice focuses on medication management along with elements of therapy from different modalities, such as supportive and cognitive behavioral therapy that are patient-tailored.  Dr. Mattern understands the importance of psychotherapy and may ask to bring in a therapist into your treatment team to provide the best care and outcome. Her clinical interests include depression, bipolar disorder, anxiety disorders, post-traumatic stress disorder, panic disorder, OCD, and ADHD.

After completing her undergraduate degree in Biology at Ohio Northern University, Dr. Mattern received her medical degree from Ohio University Heritage College of Osteopathic Medicine. She went on to complete her residency in psychiatry at The Ohio State University Medical Center.  She also completed yoga teacher training and presented nationally at the APA in 2019 regarding the benefits of yoga for depression.  Dr. Mattern is a member of the American Psychiatric Association, Ohio Psychiatric Physician’s Association, and Psychiatry Society of Central Ohio.

Dr. Mattern is board certified in Adult psychiatry.  Her approach to mental health is integrative, with utilization of complementary and alternative treatments such as yoga, lifestyle changes, and nutritional interventions in addition to traditional medication management and therapy. Dr. Mattern prefers to focus on the overall health and well-being of an individual, rather than just treating symptoms.  Dr. Mattern’s practice focuses on medication management along with elements of therapy.

Mekayla Davila is a Licensed Mental Health Counselor (LMHC) who has been in practice for 6 years. She has experience working with many diverse populations and mental health conditions. Mekayla attended graduate school at Teachers College Columbia University where she received an M.A. and M.Ed. in Mental Health Counseling. Her education and experience span both psychology and criminal justice fields as she has always been interested in their intersectionality. In previous roles, Mekayla has worked mostly with children, adolescents, and adults of minority populations, with focuses on treating anxiety, depression, trauma, and other stressor-related disorders. Mekayla strongly believes that every therapeutic interaction is unique, so she uses an eclectic approach, with foundations in Cognitive Behavioral Therapy and Psychodynamic Therapy, to tailor treatment to the specific needs of each individual. Mekayla puts emphasis on the therapeutic relationship and finds it important to provide a safe and comforting environment for all.