Deborah Ford, PMHNP

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Renee LaRock-Gary, LMHC

Staff Licensed Mental health Counselor

Renee LaRock-Gary is a licensed mental health counselor in New York State. She has extensive experience working in an array of settings from crisis to office settings; with children to adults; and with individuals to groups. She graduated magna cum laude with a masters from SUNY Plattsburgh and has a current certification as an Integrative Sex and Couples Therapist and several past certifications in a variety of areas including anxiety, grief, and substance abuse. Renee's specialty is trauma and she worked for a decade exclusively with survivors of sexual trauma. Overall, she has over 30 years of experience in the human and social services field and has held a variety of positions, including LGBTQ Teen outreach worker, domestic violence counselor, and manager at a halfway house, to name a few. As an eternal learner, Renee regularly participates in ongoing training in a variety of areas in order to keep abreast of the most up-to-date knowledge in the mental health field. Primarily, she utilizes CBT (Cognitive Behavioral Therapy) and/or DBT (Dialectical Behavioral Therapy) to help people reach their goals, and she often brings in other modalities to fit a person's individual needs.

Ashley Sharp, LPC/MHSP

Staff Therapist

Ashley Sharp is a Licensed Professional Counselor with Mental Health Service Provider designation, who has experience working in multiple settings within the mental health field including private practice counseling, school-based counseling, and in a behavioral health hospital. This has allowed Ashley to work closely with individuals of various demographics and a wide spectrum of mental health conditions. Ashley obtained her undergraduate degree in psychology from Bryan College in Dayton, TN, and her graduate degree in clinical mental health counseling from Richmont Graduate University in Chattanooga, TN. Ashley has been working in the mental health field for 4 years and focuses on mood and anxiety disorders, as well as personality disorders, challenges in relationship dynamics, and difficult life transitions such as grief and divorce. Ashley tailors her treatment modalities for the greatest benefit of the individual, being considerate of the background and needs of each client. Ashley uses an eclectic approach to therapy founded in Cognitive Behavioral Therapy and incorporates elements of Dialectical Behavior Therapy such as mindfulness, distress tolerance, and emotional regulation.

Candice Webb, DO

Staff Psychiatrist

Background and credentials

Dr. Webb is board-certified by the American Board of Psychiatry and Neurology. She earned a Bachelor of Science in Biological Sciences from the University of Miami in Coral Gables, Florida, and obtained her medical degree in Osteopathic Medicine from the West Virginia School of Osteopathic Medicine. Dr. Webb completed her psychiatry residency training at Palm Beach Consortium for Graduate Medical Education in Tamarac, Florida. After her training, she served as an attending psychiatrist with the Department of Veterans Affairs in Miami, Florida, and as an attending psychiatrist and mentor for psychiatry residents in training at the University of Miami, Florida International University, and University Hospital and Medical Center in Tamarac.

Treatment approach

Dr. Webb believes in building strong therapeutic relationships with her patients, integrating conservative psychological treatments and lifestyle modifications to enhance overall well-being and quality of life. She primarily provides medication management combined with supportive or emotionally focused therapy. Dr. Webb emphasizes creating individualized care plans tailored to each patient’s unique needs. While medication and supportive therapy are central to her approach, she occasionally recommends involving an additional therapist to optimize treatment outcomes. Dr. Webb specializes in managing a broad range of psychiatric conditions, including depression, anxiety, bipolar disorder, postpartum depression, OCD, and PTSD.

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What you can expect in a first visit

Patients meeting Dr. Webb for the first time can expect a thoughtful and comprehensive assessment focused on building rapport and understanding their personal and clinical needs. Dr. Webb emphasizes creating a strong therapeutic relationship, developing an individualized care plan designed specifically to address each patient's symptoms and lifestyle. Follow-up appointments typically last around 30 minutes, during which medication management and supportive therapy are provided. Depending on patient needs, Dr. Webb might suggest incorporating additional therapeutic support to achieve the best possible results.

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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.

Rebecca Siwanowicz, LCSW

Staff Therapist

Rebecca Siwanowicz is a Licensed Clinical Social Worker who began her career in 2013, maintaining various positions in both inpatient and outpatient settings while treating substance use and mental health disorders. Rebecca graduated with her BSW from Florida Atlantic University in 2013 and graduated with her MSW in 2016. Rebecca is trained in Accelerated Resolution Therapy and is a Master's Level Certified Addiction Professional in the state of Florida.‍Rebecca's areas of expertise are trauma, anxiety and depressive disorders, issues related to codependency and low self-esteem, life transitions, self-care and emotion regulation. Rebecca takes an individualistic approach when treating clients, greatly valuing and promoting individuality and autonomy. Rebecca practices through the lens of Family Systems Theory and Attachment Theory, utilizing components of Existentialism, Strength Based Therapy, Dialectical Behavior Therapy, 12 Step Principles, and Client Centered Therapy. Rebecca takes a psychosocial approach toward treatment, providing her clients with unconditional positive regard, psychoeducation, and practical coping skills to support them in building a life of their choosing.

Catherine Cashman, DO

Staff Psychiatrist

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?

Tracey Griffin, LMHC

Staff Licensed Mental Health Counselor

Tracey Griffin is an LMHC and LPC who is dedicated to helping people align with their most authentic selves, holding credentials in NY, NJ, and FL. This includes addressing the struggles of mental health in an open, empathetic, and non-judgmental, therapeutic relationship. She is dedicated to establishing a collaborative working relationship with individuals to help achieve their goals while living a fulfilled and balanced life. Tracey received her Master of Science in Mental Health Counseling from Pace University, followed by her Bachelor of Arts in Applied Psychology from the same institution. She has been trained in performing biopsychosocial assessments and has an extensive history working as a Credentialed Alcohol and Substance Abuse Counselor exploring various approaches to recovery goals. Tracey's treatment approach is person-centered in conjunction with evidence-based practices such as cognitive behavioral therapy, dialectical behavioral therapy, mindfulness, and motivational interviewing while remaining culturally sensitive and inclusive. She is well versed in harm reduction as well as abstinence-based approaches to addiction treatment and roots her practice to focus on treating the whole self, which can include exploration of spirituality and purpose. Tracey has experience working with individuals who experience co-occurring disorders, anxiety, depression, codependency, addiction, personality disorders, LGBTQ, men's issues, and trauma.

Mary Bartek, MD

Staff Psychiatrist

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.

Jenny Joseph, MD

Staff Psychiatrist

Background and credentials

Dr. Jenny Joseph is a board-certified adult psychiatrist. She earned her medical degree from St. George's University School of Medicine and completed her adult psychiatry residency at New York Medical College at Metropolitan Hospital Center. She has experience working with diverse patient populations and treating a range of psychiatric conditions.

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Treatment approach

Dr. Joseph specializes in medication management for various psychiatric conditions, including mood, anxiety, and psychotic disorders. She employs a patient-centered approach that emphasizes empathy, open communication, and collaboration. In addition to pharmacological treatment, she incorporates psychoeducation and supportive therapy to help patients better understand and manage their conditions. When beneficial, she may recommend additional therapy and coordinate care with a therapist to ensure comprehensive treatment.

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What you can expect in a first visit

During the first visit, patients can expect a thorough evaluation that explores their symptoms, treatment history, and personal goals. Dr. Joseph takes the time to listen and understand each patient's needs, ensuring that their treatment plan is tailored to their specific concerns. She provides a compassionate and structured approach to medication management while fostering a collaborative environment where patients feel supported in their mental health journey.

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Why Talkiatry?

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Seth Mandel, MD

Staff Psychiatrist

Dr. Mandel received his Bachelor of Arts and Doctor of Medicine degrees from the University of Pennsylvania. He completed his Residency in Psychiatry at Mount Sinai Medical Center in Manhattan. He has been board certified in psychiatry since 2001 and is a Life Fellow of the American Psychiatric Association. He has held numerous clinical and academic appointments including serving as Chairperson of Psychiatry at Huntington Hospital in Huntington, New York, and Assistant Professor of Psychiatry at Hofstra North Shore-LIJ School of Medicine.

Dr. Mandel has over 25 years of clinical experience treating all mental health conditions. He has a strong interest in mood and anxiety disorders, including work-related anxiety. He authored a section on the pharmacology of social anxiety in the book Work Makes Me Nervous. Dr. Mandel also has expertise working with clients diagnosed with borderline personality disorder. He has lectured on the pharmacologic management of this condition, including a presentation at the NIMH International Think Tank for the More Effective Treatment of Borderline Personality Disorder.

Dr. Mandel continually seeks to streamline complex medication regimens. He has completed a fellowship in integrative psychiatry and carefully considers the potential contributions of lifestyle and nutrition to overall mental health and well-being. By taking an eclectic approach, Dr. Mandel is able to achieve the best possible outcome for all whom he is privileged to serve.

Beatrice Desir, DO

Staff Psychiatrist

Dr. Desir is a Board-Certified Psychiatrist who completed her undergraduate training at The University of Scranton followed by medical school at the New York Institute of Technology College of Osteopathic Medicine. She completed psychiatry residency at Nassau University Medical Center where she served as the Administrative Chief Resident in her final year. Dr. Desir has been in practice for 4 years and has provided patients with compassionate psychiatric care. She has worked in community mental health settings throughout her career, in which she served a wide variety of patient populations. Dr. Desir is experienced in treating various psychiatric illnesses including mood disorders, anxiety disorders, OCD, PTSD, and ADHD. At the heart of Dr. Desir's clinical approach is a strong emphasis on establishing trust and building a therapeutic relationship. She also provides psychoeducation to help patients make informed decisions regarding their care. She works collaboratively with patients to develop individualized treatment plans to help them achieve their goals. Dr. Desir's practice focuses on medication management. Typically, she offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. Occasionally, Dr. Desir may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. Talkiatry takes medication management seriously. All state-controlled substance databases are reviewed and taken into consideration during your initial evaluation.

Stephanie Negrey, MD

Staff Psychiatrist

Dr. Stephanie Negrey is a board certified psychiatrist. She completed her undergraduate degree in Biology and History at Fordham University in the Bronx and then attended medical school at the Renaissance School of Medicine at Stony Brook University. She completed her residency at Wright State University in Dayton, Ohio as a member of the United States Air Force. Dr. Negrey served as an active duty psychiatrist; her duties included medical director of the mental health clinic at a special operations base as well as a program manager for the Air Force substance use program. Dr. Negrey has experience treating a wide range of ages and diagnoses, with particular emphasis on personality disorders, depression, anxiety, and post traumatic stress disorder. She integrates supportive and psychodynamic therapies into her medication management appointments with a goal of achieving improvement through a holistic approach. Dr. Negrey will work with patients to reach their goals for their mental health care while also providing a compassionate and collaborative environment. Dr. Negrey looks forward to working with you!

Harmeeta Singh, MD

Staff Psychiatrist

Dr. Harmeeta Singh was born and raised in St. Louis, MO and is board certified with ABPN (American Board of Psychiatry & Neurology). Dr. Singh has been in practice for 15 years and focuses on an individualized treatment plan, not only using pharmacotherapy when needed, but also implementing insight-oriented, supportive, motivational, and brief psychotherapy. Dr. Singh is a firm believer in combining psychotherapy with medication management when warranted to manage and treat a wide variety of mental health conditions including, but not limited to - Depressive Disorders, Bipolar Disorders, Psychotic Disorders, Anxiety Disorders, Trauma related disorders, Substance use disorders, Personality disorders, Sleep Disorders and Eating Disorders. Her dynamic approach is client focused, involving the client throughout their treatment and care plan, taking careful consideration to the individual's needs and goals. ‍Upon completion of her residency through St. Louis University, St.Louis, Dr. Singh joined her parents' Internal Medicine practice. She learned firsthand that implementing mental health awareness, screening, and education into a primary medically focused practice led to more favorable outcomes. Many mental health conditions can manifest as and/or exacerbate a variety of medical/physical conditions and thereby go undiagnosed and untreated. Dr. Singh has worked closely and coordinated care within the medical field and with other specialists in treating and diagnosing comorbid mental health conditions. While in private practice for over 10 years, she was also an attending and consultant for inpatient mental health care and provided mental health services for residents in various residential care facilities, group homes, and skilled nursing facilities. Over the past 5 years she has consolidated her practice and presently is employed with Compass Health Network in Missouri helping bridge the gap in mental health care by coordinating and providing care to the underserved community.

Deborah Ford, PMHNP

Education and training

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