Stephen Byrd, MD

Christopher Zeoli, DNP, PMHNP, is a nationally board-certified Psychiatric Nurse Practitioner with over 20 years of certification and more than 30 years of experience in the psychiatric and mental health field. He earned his Doctor of Nursing Practice degree from Stony Brook University and has worked with patients across the lifespan in clinics, outpatient programs, hospitals, and private practices.

Christopher’s approach combines thoughtful medication management with supportive therapy. He is not only focused on addressing immediate concerns but also on guiding patients toward long-term well-being. Patients can expect a collaborative, compassionate, and goal-oriented partnership in their care.

Christopher values patient feedback as an essential part of treatment. He conducts careful evaluations, listens to each individual’s concerns, and tailors care to align with personal goals. By working together, he helps patients develop treatment plans that support both current needs and future growth.

Dr. Steven Wilkening is a board-certified adult psychiatrist.He completed his Bachelor of Arts degree at Cornell University followed by a neuroscience researchfocused Masters degree at the University of Mississippi. He then attended medical school at theUniversity of Mississippi School of Medicine, graduating with his MD degree as a Medical StudentResearch Scholar and member of the Alpha Omega Alpha Honor Medical Society. He completed adultpsychiatry residency training at the University of Cincinnati and has since been working primarily intelepsychiatry.He has experience treating a wide variety of psychiatric conditions and also recognizes that lifestylefactors such as sleep, physical activity and stress-reduction are foundations of good mental health.Alongside medication management, he provides brief supportive psychotherapy, psychoeducation, aswell as elements of cognitive behavioral and solution-focused therapies to assist patients in meetingtheir goals. He often encourages patients to see a therapist in addition to a psychiatrist.

Before pursuing medicine, Dr. Kenneth Ethan Lai explored a range of passions. After earning dual degrees in Biology and Biochemistry from the University of California, Riverside, he opened a popular Riverside eatery featured on The Food Channel. He later transitioned to the IT industry, earning a master’s degree and certifications, before answering his true calling in medicine, graduating from Saint Matthews University School of Medicine.

Dr. Lai believes psychiatry combines science and the art of medicine. Patients value his professionalism, patience, empathy, and attentive listening. He acknowledges the many choices patients have in providers and strives to create a welcoming, collaborative, and supportive environment for everyone seeking care.

Dr. Lai treats both adults and children/adolescents with expertise in psychopharmacology, psychotherapy, addiction, geriatrics, and dual-diagnosis care. He is trained in TMS and ECT, is a Certified Suboxone Prescriber, and offers consultations and treatment through office-based or telemedicine visits. His approach is tailored to each patient’s needs, integrating compassionate care with evidence-based treatment.

Dr. Mary Lou Gutierrez is board-certified in both Child & Adolescent Psychiatry and General Psychiatry, with over 20 years of clinical experience. She earned her M.D. from Loyola University Medical Center, where she also completed her residency in Adult Psychiatry. She pursued fellowship training in Child and Adolescent Psychiatry at Northwestern University’s Children’s Memorial Hospital. Her past roles include Medical Director for Compass Health Center’s Under 18 Program and Attending Psychiatrist at Loyola. She has been recognized as a “Top Doctor” in Child and Adolescent Psychiatry by US News and World Report and Negocios Now.

Dr. Gutierrez fosters a warm, collaborative environment where patients and families feel supported and understood. She emphasizes open communication and works closely with patients to define meaningful, realistic treatment goals. Her holistic, family-centered approach integrates medication management, therapy, and psychoeducation with a deep commitment to cultural sensitivity and compassionate care.

Dr. Gutierrez begins by learning each patient’s personal story, clinical history, and goals through a comprehensive evaluation. She creates individualized, evidence-based treatment plans tailored to each child’s unique needs and family context. She continuously collaborates with patients, families, and care teams to ensure treatment remains effective, combining psychotherapy, medication management, and coordination with other providers and resources.

Dr. Wharton-Mohammed is double board certified in General Psychiatry as well as Child and Adolescent Psychiatry. She has worked in various settings with culturally diverse populations. Her primary focus has been caring for children in the outpatient programs. Dr. Wharton-Mohammed has spent over ten years as an administrative leader. She has chaired and co-chaired committees overseeing the practice of fellow Psychiatrists and served as the Discipline Chief. She has been teaching/ supervising Nurse Practitioner students and Physician assistant students.

Dr. Wharton-Mohammed is experienced with a wide variety of psychiatric diagnoses and therapeutic modalities. She is a dedicated clinician who looks out for her patients. She views each patient and their caregivers circumstance as unique. She takes a holistic approach with a collaborative approach to help patients understand their options. While the focus may be on psycho education and medication management with supportive and psychodynamic therapeutic interventions there may be a need for additional therapy.  She may ask that a therapist be added to your treatment team. She works towards establishing a meaningful trusting relationship and looks forward to working with you to help you achieve your goals.

Dr. Parker Loy holds the position of Staff Psychiatrist at Talkiatry. After finishing undergraduate studies at the University of Tennessee, Knoxville, he completed the University of Tennessee Health Science Center (UTHSC) Master of Science program before enrolling in medical school at the same institution. After graduating from medical school, he completed his residency at UTHSC, during which he trained in a variety of inpatient and outpatient settings and treated a broad spectrum of mental health conditions. He enjoys treating a wide variety of conditions, including mood and anxiety disorders. Therapeutic techniques are incorporated into medication management visits when indicated, and collaboration with therapists may also be recommended.