John Lundeen, MD

Dr. Peckover is a Staff Psychiatrist at Talkiatry. He is certified by the American Board of Psychiatry and Neurology in Adult Psychiatry. He has been practicing for three and a half years. Dr. Peckover provides patient-centered care with an emphasis on medication management, psychoeducational, and lifestyle adjustments. He typically provides supportive or integrative therapy along with medication management, but some cases will require the addition of a therapist to the treatment team. Dr. Peckover received a Bachelor's of Medical Science from the University of Western Ontario in Canada and received his Medical Degree from Ross University. He completed his residency at Metropolitan Hospital in Manhattan, where he served as chief resident in his final year. He then worked as a psychiatrist in the outpatient department at Kings County hospital, where he also supervised residents from SUNY Downstate. As an outpatient psychiatrist, Dr. Peckover has an extensive history of treating patients of all ages with a wide variety of psychiatric disorders, with an emphasis on mood and anxiety disorders. He treated patients remotely during the COVID-19 outbreak, helping to manage the increase in stress that came with the pandemic.

Background and credentials    

Dr. Catherine Cashman is triple board-certified by the American Board of  Psychiatry and Neurology in Adult Psychiatry, Child & Adolescent  Psychiatry, and Forensic Psychiatry. She holds two Bachelor’s degrees: one in  Finance from New York University, and another in Biology from the University  of New Orleans. She earned her medical degree from Nova Southeastern  University and completed an Adult Psychiatry residency at LSU Health Sciences  Center in New Orleans. Dr. Cashman subsequently completed two fellowships:  the first in Child & Adolescent Psychiatry at LSU New Orleans, along with  a certification in Infant Mental Health (working with children ages 0–6 years  and their caregivers); the second fellowship was in Forensic Psychiatry at  the University of Rochester and the Rochester Regional Forensic Unit.    

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Treatment approach    

Dr. Cashman brings an extensive and specialized skillset to psychiatry,  informed by her triple board-certifications. Her treatment approach  integrates clinical expertise from adult, child and adolescent, and forensic  psychiatry, emphasizing accurate diagnosis, risk assessment, and  evidence-based care. With specialized expertise in forensic psychiatry and  competency assessments, she employs rigorous evaluation methods to accurately  inform treatment planning and risk management, particularly in complex or  legally-involved cases.    

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What you can expect in a first visit    

Patients visiting Dr. Cashman for the first time can expect a detailed and  comprehensive psychiatric evaluation. Given her forensic and clinical  experience, initial assessments are thorough, focusing on clear diagnostic  understanding, individualized risk assessment, and appropriate treatment  planning. Patients can anticipate a collaborative, professional, and  structured environment aimed at clarifying diagnoses and addressing their  unique mental health needs effectively.    

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Why Talkiatry?    

We’re a virtual mental health practice that makes it easy to find great  care. We combine quality and convenience to help you thrive—faster. Our  providers, like this one, are highly trained experts who specialize in  medication management and collaborate with you on a treatment plan that fits  your needs and comfort level.

Bryce Thacker grew up in a rural community, where he learned the value of helping others achieve their best selves to support overall community health and well-being. With a passion for helping people live their best lives, he earned his undergraduate degree in biology from the University of Nebraska and completed his nursing education at Creighton University. He went on to earn a Master of Science in Nursing, specializing as a Family Nurse Practitioner and in Community Health, from Creighton University, and later completed a nursing practice degree at the University of Colorado with a focus on population and community health. He also holds a post-graduate certification in psychiatric mental health from Washburn University.

Bryce practiced family medicine for 18 years before transitioning to psychiatric mental health in 2022. His background in both physical and mental health gives him a holistic perspective on care. Since shifting his focus, he has helped individuals improve their quality of life through medication management for mood disorders, PTSD, anxiety, ADHD, and other mental health conditions. He continues to live in a rural community with his family and remains committed to helping people become their best selves.

Bryce believes that each person’s “best self” is unique and that mental health care should meet individuals where they are. He emphasizes a collaborative, client-centered approach, always keeping the individual’s goals at the heart of care. He is dedicated to helping clients identify and overcome the symptoms and stressors that interfere with their well-being, and he works to dismantle limiting beliefs or labels that may have been placed on them.

By taking the time to understand each person’s challenges and aspirations, Bryce helps clients find sustainable, holistic paths to wellness. His care is grounded in empathy, respect, and a deep commitment to supporting each person’s journey toward a fulfilling and balanced life.

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Dr. Jennifer Cenker is a board-certified psychiatrist with a strong foundation in science and mental health care. She earned her bachelor’s degree in Biology from John Carroll University, completed a PhD in Molecular Virology at Case Western Reserve University, and received her medical degree from The Ohio State University College of Medicine, where she also completed her Psychiatry Residency. She treats a range of conditions including ADHD, depression, anxiety, OCD, bipolar disorder, and PTSD/trauma.

Dr. Cenker values open communication and a strong therapeutic alliance, creating a supportive and collaborative environment where patients feel heard and respected. She develops individualized treatment plans that typically include both medication management and therapy, guided by evidence-based practices. She also promotes weight-neutral care and emphasizes health-supporting habits.

Dr. Cenker begins with a comprehensive initial appointment focused on understanding each patient’s history and treatment goals. She uses this information to build personalized treatment plans. Follow-up appointments include ongoing medication management and the integration of therapeutic techniques, ensuring care evolves with the patient's needs.

Dr. Robben proudly served in the U.S. Air Force and has been practicing psychiatry for 17 years. He is happy to have completed his medical school education, as well as his residency in general psychiatry and fellowship in addiction psychiatry, all at the University of South Florida in Tampa. Dr. Robben is board certified in both general psychiatry and addiction psychiatry. He has experience in many roles over the span of his career to include working with Veterans diagnosed with posttraumatic stress disorder and substance use disorders, managing specialty clinics for patients with treatment-resistant depression, and working in general outpatient psychiatry clinics, as well as emergency and inpatient psychiatric settings. Dr. Robben also previously served as the Training Director for the University of South Florida Morsani College

of Medicine Addiction Psychiatry Fellowship Program. He is currently the Medical Director at a residential substance use disorder treatment center in Florida. Additionally, Dr. Robben is a certified Medical Review Officer and has additional qualifications in transcranial magnetic stimulation (TMS) and Spravato.

(esketamine). Dr. Robben has been voted as Addiction Medicine "Top Doctor" in Tampa Bay, FL by physicians for 8 of the last 9 years. Dr. Robben specializes in treating depression, bipolar disorder, anxiety, PTSD, OCD, ADHD and substance use disorders.

Dr. Robben uses a supportive, patient-centered approach, taking into account each individual's personal values and goals when formulating a treatment plan. He educates patients on the most up to date scientific evidence and provides multiple treatment options to help each person determine the most appropriate plan for them.  

Dr. Robben believes in a collaborative and holistic approach to working with his patients. Dr. Robben spends a significant amount of time educating his patients on all forms of mental health treatment, from medications and psychotherapy, to nutrition, exercise, meditation and sleep hygiene. What works well for

One person may not work well for another person. Having options and understanding the potential benefits and risks of each treatment empowers patients to take an active role in their own healthcare.

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Dr. Erica Cusick is a board-certified psychiatrist at Talkiatry. She completed her undergraduate training at the University of Rochester and medical school at Lake Erie College of Osteopathic Medicine. She is committed to treating a wide range of mental health disorders and addressing the psychological and emotional challenges faced by adults of all ages. During her residency training at Allegheny General Hospital, Dr. Cusick developed a keen interest in the nuances of medication management, including drug interactions and side effects, ensuring accurate diagnoses, the mental health needs of women, identification of attention-deficit/hyperactivity disorder in adults, and addressing mental health issues that may arise with concussions, traumatic brain injuries, strokes, Parkinson's Disease or dementia. Dr. Cusick approaches patient care collaboratively by actively listening to patients and involving them in their treatment planning while providing evidence-based care.