Megan O’Brien is a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP) with experience in inpatient, outpatient, and emergency mental health settings. She earned her NP degree from UCSF, the top-ranked program in the country at the time. In addition to clinical work, she enjoys teaching and is passionate about training the next generation of compassionate psychiatric nurse practitioners.

Megan believes in meeting patients where they are, offering empathy, respect, and acceptance. She values open communication and sees treatment as a collaborative process. Her approach empowers patients to take the lead in their care while she supports them as a partner and guide along the way.

Megan begins by listening carefully to each patient’s story and asking relevant questions to understand their needs. Together, she and the patient build a tailored treatment plan that aligns with their goals. Her focus is on reducing mental health symptoms and helping people experience greater freedom and flexibility in their lives.

Dr. Sarah Guzman earned her medical degree from Baylor College of Medicine and completed her psychiatric residency at UT Southwestern in Dallas, TX. She served as a psychiatrist in the United States Navy and has practiced in inpatient and outpatient settings, including a state-run mental health clinic and as a civilian on a United States Army base. She provides general adult psychiatry and medication management, treating anxiety disorders, OCD, depression, bipolar disorder, ADHD, and PTSD.

Dr. Guzman strives to create a supportive, judgment-free space where patients feel heard and respected. She values psychoeducation so patients can make informed decisions about their care. Honesty, mutual trust, and clear communication are central to her approach, as she views treatment as a collaborative partnership focused on shared goals.

The initial appointment centers on understanding each patient’s history and concerns. By the second session, treatment goals are identified. From there, Dr. Guzman collaborates with patients to develop individualized treatment plans and adjust care as needed to support meaningful progress.

Dr. Perington is a Staff Psychiatrist with Talkiatry. She previously served in the US Air Force, where she completed her residency training in psychiatry (Lackland AFB) and was the medical director for a small-sized mental health clinic (Hill AFB). Dr. Perington uses a person-centered approach to tailor treatment to the individual, with an emphasis on shared decision making. She prefers to focus on psychotherapy and behavioral interventions as a primary part of the treatment plan, in addition to any indicated medication.

Motivation for change is a large part of the healing process, and for many people recovery doesn't happen with medication alone. Dr. Perington asks all her patients to play an active role in their treatment.

A thorough diagnostic assessment with discussion of the best treatment setting and modality, then regular follow up visits with emphasis on psychotherapy in addition to medication management (if indicated).

Dr. Michael Bartolac is a board-certified psychiatrist with experience in both outpatient and inpatient psychiatric care. He has treated a wide range of psychiatric conditions including affective, psychotic, anxiety, trauma-related, substance use, neurodevelopmental, personality, and neurocognitive disorders. His clinical experience includes hybrid remote outpatient work, inpatient psychiatry on locked units, consultation for medically hospitalized patients, and performing electroconvulsive therapy (ECT). He earned his medical degree from Lake Erie College of Osteopathic Medicine and completed psychiatry residency at West Virginia University/Charleston Area Medical Center.

Dr. Bartolac values creating a space where patients feel comfortable voicing their concerns. His treatment style is rooted in open communication and trust. He primarily focuses on medication management and supportive therapy, while incorporating psychodynamic and cognitive behavioral techniques during 30-minute follow-up visits.

Dr. Bartolac is committed to providing competent and compassionate care. He takes a collaborative approach, working closely with patients and their healthcare team to ensure all aspects of care are aligned with the patient’s needs and goals.

Barbara (Barb) Pack is a Licensed Professional Clinical Counselor with the Supervision Endorsement and a Licensed Independent Chemical Dependency Counselor, Clinical Supervisor Endorsement who has been providing mental health treatment for over 24 years and addiction treatment for over 27 years. Barb utilizes a combination of approaches in working with her clients, including person-centered, cognitive behavioral therapy, motivational interviewing, solution focused techniques, and a variety of other techniques. She has experience in several different types of treatment settings and treatment modalities in both Ohio and Florida. Barb enjoys working with individuals who also have co-occurring disorders, both mental health and substance use. Barb has experience working with a wide range of age groups and mental health issues including but not limited to depression, anxiety, trauma, stress management, grief, relationship issues, and a wide range of substance use issues. She will assess individuals' needs in their first few visits and work with them to develop an individualized treatment plan. Barb works to provide the empathetic listening and emotional support that her clients need to reach their goals. Her dream has been to work herself out of a job, as she wants to help her clients find healing and happiness. Barb attended the University of Akron for graduate school in a Community Counseling Program and attended Malone College, now University, and majored in Psychology.

Dr. Bartek holds the position of Staff Psychiatrist at Talkiatry. She is board-certified in General Psychiatry, Pediatrics, and Child and Adolescent Psychiatry. She has been caring for children and adolescents as a physician for more than 15 years. Dr. Bartek's approach is holistic, collaborative, supportive, and patient-centered. Dr. Bartek draws on her years as a pediatrician working with families and children in her work as a psychiatrist. Dr. Bartek incorporates therapeutic techniques into medication management visits, but she may also recommend adding a therapist to your care team for the best results. She received her medical degree from the University of Washington School of Medicine in Seattle, WA, before moving to Memphis to complete her residency in Pediatrics at the University of Tennessee Health Sciences Center and Le Bonheur Children's Hospital. She completed her undergraduate studies at Haverford College in Pennsylvania. After completing training, she remained in Memphis and worked in the Le Bonheur Children's Hospital Emergency Department as a pediatrician. She then moved to Nashville to work at the Monroe Carell Jr. Children's Hospital at Vanderbilt in the Emergency Department Fast Track and After-Hours Clinics. Dr. Bartek transitioned to primary care pediatrics at Pediatric Associates of Davidson County for several years before returning to the University of Tennessee Health Science Center in Memphis to complete the Child and Adolescent Psychiatry Post-Pediatric Portal Fellowship program. Dr. Bartek's primary clinical focus is treating children and adolescents.