Mary Phelps, DO

Dr. Delima-Tokarz is double Board Certified in Psychiatry and Lifestyle medicine. She completed her psychiatry residency training at the University of Maryland/Sheppard Pratt, where she served as the chief resident. She has practiced in various settings over her career, including working for the Department of Defense, private practice, and community mental health. Dr. Delima-Tokarz is fluent in Portuguese, English, and Spanish. Dr. Delima-Tokarz has more than five years of experience treating patients with anxiety, depression, PTSD, Bipolar, OCD, ADHD, and other mental health issues. She employs pharmacotherapy along with supportive therapy and integrative approaches. Dr. Delima-Tokarz is currently working on completing her Ph.D. in Integrative Medicine and is passionate about a holistic and integrative approach to mental health. Her philosophy includes a healing-oriented approach that considers the whole person, including all lifestyle aspects. Dr. Delima-Tokarz aims to provide collaborative and comprehensive care, which may include medication management, lifestyle interventions, stress reduction techniques, and other integrative approaches. She believes building a strong therapeutic relationship where the patient feels empowered is the key to healing.‍

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.

Background and credentials

Dr. Tyler Josephs is a staff psychiatrist at Talkiatry. He earned his medical degree from Kansas City University in 2017 and completed his psychiatric residency at the University of Kansas Medical Center in 2021. During his residency, he served as Chief Resident at both the University of Kansas Medical Center and the Kansas City VA Medical Center. Most recently, Dr. Josephs worked at the Kansas City VA Medical Center, where he was the psychiatric director of the outpatient mental health clinic and served as Psychiatry Executive for behavioral health services.

‍

Treatment approach

Dr. Josephs believes in a holistic approach to mental health treatment, integrating medication management, supportive psychotherapy, and collaboration with therapists and support staff. He tailors treatment to each patient's unique needs, ensuring a comprehensive and individualized approach to care. His expertise includes treating a variety of psychiatric diagnoses, such as depression, anxiety disorders (including OCD), ADHD, and PTSD.

‍

What you can expect in a first visit

In a first visit, patients can expect a thorough evaluation, where Dr. Josephs takes the time to understand their medical history, symptoms, and treatment goals. He emphasizes open communication and collaborative decision-making, ensuring that patients feel heard and supported. Based on this initial assessment, he will develop a personalized treatment plan, which may include medication management and referrals to therapy or other supportive services as needed.

‍

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.

‍

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.    

‍

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.    

‍

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.    

‍

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.

Dr. Mary O'Malley is board certified in Adult Psychiatry and Sleep Medicine. She received her medical degree from Weill Cornell Medical School and PhD in Neurobiology from The Rockefeller University. She completed her Psychiatry residency and Sleep Medicine Fellowship training at the New York University Medical Center. In her psychiatric practice, Dr. O'Malley uses an integrative approach to health, combining evidence-based concepts in neurobiology with psychological, social and spiritual/existential worldviews to understand and treat every patient. Her primary practice is medication management. She also integrates elements of psychotherapy into her work, typically within 30-minute follow-up visits. In addition to medication and psychotherapy, she incorporates wellness tools into visits, such as mindfulness exercises and sleep management strategies. If she believes that additional psychotherapy is needed, she will recommend that you add a therapist to your care team. Dr. O'Malley has extensive experience working with people from many stages of life, with diverse world views and cultural backgrounds. She has always had an inclusive practice and welcomes people who identify as LBGTQIA+. As part of her own life path she became an Interfaith Minister and enjoys including spirituality and the supportive role it can play in healing for her patients. Her primary focus is working with adults with mood and anxiety disorders, trauma symptoms, ADHD, and problems with sleep. She enjoys working with people facing life transitions, especially older adults and women who are struggling with mental health challenges related to pregnancy and post-partum health. Prior to joining Talkiatry, Dr. O'Malley was working at Hartford Healthcare with adults in intensive outpatient programs and at Hackensack Meridian Health outpatient clinics. She was the medical director of the Consultation Liaison Service at Berkshire Medical Center in Pittsfield, Massachusetts, and an assistant professor at UMass Medical School. She has published and presented widely on topics related to Wellness in Psychiatry, Ethics and Sleep Medicine. She is an advocate for finding your voice in medical decision-making and enjoys using sound healing for relaxation and stress management.

Dr. Emmalee Boyle is a board-certified adult psychiatrist who specializes in providing patient-centered care. She offers a mix of medication management in conjunction with supportive therapy in 30-minute follow-up visits. Dr. Boyle's areas of interest include treating mood disorders, anxiety disorders, and co-occurring substance use disorders. In addition, she enjoys helping the patient explore a holistic approach to their mental health treatment. Dr. Boyle received her medical degree from the Medical College of Wisconsin. She completed her general psychiatry residency training at Boston University Medical Center, where she was selected as co-chief resident. She also completed an additional post-graduate fellowship at the Massachusetts Institute of Psychoanalysis. During training, Dr. Boyle worked with an ethnically, culturally, and linguistically diverse patient population with various psychiatric illnesses and has experience navigating the many intersecting systems of mental health care. In addition, she worked with experts in the fields of psychosis and substance abuse. She also co-authored a book chapter on the immune system and psychiatric illness. Dr. Boyle also has particular clinical interests in immigrant and refugee health.