Tobias Murphy, MD

Dr. Kahlon is an experienced Psychiatrist who spent the last 24 years of his career working in Veterans Affairs, where he was able to treat a wide variety of patients. Dr. Kahlon provides medication management along with supportive therapy. In some cases Dr. Kahlon may refer you to a counselor or therapist for further care and collaboration. He has experience treating a wide range of conditions, including major depressive disorder, panic disorder, generalized anxiety disorder, obsessive-compulsive disorder, and PTSD. Dr. Kahlon utilizes a well-rounded approach to treat the whole person, through medication, active listening, and recommending talk-centered counseling programs. Dr. Kahlon was trained in the VA system associated with Chicago Medical School (Finch University), which is located in North Chicago, Illinois. At the conclusion of his training, he was hired at the VA in Danville, Illinois until 2021. He also had a part-time private practice, which enhanced his experience in adult psychiatry. Dr. Kahlon graduated from a prestigious medical school that has consistently held a high position (4th) among the top 100 medical schools in the world.‍

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.

Dr. Caleb Cheatham is a board-certified psychiatrist who completed his undergraduate studies at Stetson University in DeLand, FL, before earning his medical degree and completing his psychiatry residency at the University of Tennessee Health Science Center in Memphis, TN. He brings a strong foundation in psychopharmacology and a deep commitment to person-centered care.

Dr. Cheatham takes an open, nonjudgmental approach and strives to create a safe space for patients to share vulnerably. He believes in leading with compassion and listening as a core tool for understanding. His treatment philosophy is integrative—combining thoughtful medication management with supportive, individualized therapy—and he encourages patients to consider the role of lifestyle factors like sleep, nutrition, and exercise.

Dr. Cheatham begins with a conversational consultation focused on understanding each patient’s story and needs. Together, they co-create a personalized treatment plan grounded in the patient’s values. He emphasizes clear communication and routinely revisits treatment goals to ensure alignment, progress, and ongoing support.

Dr. Hess is double board-certified in Adult and Geriatric Psychiatry. He completed his psychiatry internship and residency training at St. Vincent's Hospital and Medical Center in New York City, and then completed a geriatric psychiatry fellowship at Mount Sinai Beth Israel Medical Center. Dr. Hess has practiced inpatient psychiatry at the Long Island College Hospital, NYU Langone Brooklyn, and Kingsbrook Jewish Medical Center. He has also worked in emergency rooms, day hospitals, and consultation-liaison settings, as well as seeing geriatric outpatients at a naturally-occurring retirement community (NORC) on the Lower East Side of Manhattan. Dr. Hess has taught St. George's University medical students during their clinical rotations in psychiatry. Dr. Hess has more than 24 years of experience providing patients with compassionate psychiatric care for depressive and bipolar disorders, anxiety, obsessive-compulsive disorder, post-traumatic stress disorder, and dementia. He uses pharmacotherapy as well as supportive psychotherapy. Dr. Hess may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. The philosophy of his practice is to collaborate with patients to meet their specific needs and make an impact in various stages of their lives.

David Arabie is a licensed professional counselor and certified tobacco treatment specialist with extensive experience working in the mental health field. David has worked directly with clients from various demographics and in various clinical settings, from inpatient hospitals, outpatient clinics, private practice, to working with the incarcerated. David has a long history of working with clients with an array of mental health conditions and challenges, from mood disorders, adjustment-related issues, addiction, family dynamics, relationship issues, emotional trauma, behavioral issues, anger management, and clinical anxiety and depression. He has a working knowledge of psychotropic medications to help with med-compliance and treatment barriers. David obtained undergraduate and graduate degrees from the University of Houston Clear Lake in Houston, Texas. David has been practicing as an LPC for 19 years but has also worked as a Licensed Chemical Dependency Counselor before obtaining his LPC. Working with David, treatment is tailored to the individual, so the goals of therapy can be met, and the client can experience a sense of vested interest in their own emotional contentment and growth. David uses an eclectic approach to therapy, with a strong foundation in Solution-Focused Therapy, Cognitive-Behavioral Therapy, and Rational Emotive Behavioral Therapy. Personally, David is a musician, community theater actor, educator, coach, and swim official.‍

Dr. Mark Varela is a board-certified psychiatrist joining Talkiatry directly out of residency. He focuses primarily on medication management, often accompanied by brief cognitive, motivational, or supportive therapy. He may request that you also meet with a therapist regularly for your benefit. Dr. Varela received his medical degree and general psychiatric residency training both from Texas Tech University Health Sciences Center in West Texas. He treats young adults and adults with a wide variety of mental health concerns, including ADHD, mood disorders, anxiety, OCD, and PTSD.