Catherine Sheahan, PMHNP

Staff Nurse Practitioner
Languages
English
Conditions Treated
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma

Education and training

  • East Carolina University Master of Science in Nursing

Get to know

Catherine Sheahan, PMHNP

Cate Sheahan, nurse practitioner, is dual certified in psychiatry and family medicine. She completed her masters in nursing education at East Carolina University, her post graduate training in family medicine at Duke University and her post graduate training in psychiatry at the University of St. Joseph. Cate has practiced in a variety of settings including clinics, skilled nursing and assisted living facilities, hospitals and community outreach. She appreciates how her years of varied experience have enriched her practice and compassion for others. She enjoys teaching and assisting others to build on their unique experiences and strengths.

Cate believes we are each unique in our experiences and our expression of those experiences. Using a collaborative approach, she seeks to discover, along with you, her patient, what is going on in your life and deciding together what treatment is best suited for you. Cate believes medication can be a solid foundation or a transitional step toward improved mental health. She also believes in 'less is more' when it comes to medications.

During each 30-minute session, Cate will employ supportive, motivational and reframing among other therapeutic techniques to foster confidence, insight and healing as you navigate your mental health journey. She believes the mind, body and spirit are an integrated whole and therefore encourages holistic self-care such as healthy eating, good sleep hygiene, regular exercise and mindfulness practices as part of your treatment. If more intensive therapy is needed, Cate will work with your therapist or make appropriate referrals as needed.

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Neena Mathew, PMHNP

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Neena Tressa Mathew has forged an impressive career in the medical field, with a pivotal focus on extensive mental health expertise. She is dually board certified as a Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) and Family Nurse Practitioner (FNP-BC), for care across all ages. She is fluent in English, Hindi, and Malayalam languages. Licensed in Florida, New York, Texas, and Georgia, she offers a patient-centered approach blending her experience and certifications. Her profound dedication in addressing mental health issues is evident through her hands-on experience in assessing, treating, and evaluating patients across a spectrum of psychiatric disorders including (but not limited to) ADHD, Depression, Anxiety, PTSD, OCD, Schizophrenia and Bipolar Disorders. She has excelled her services at Mindful Behavioral Healthcare, Advent Health Hospital as well as Park Place Behavioral Health care. Neena's international experience includes roles in Canada, enhancing expertise in gero-psychiatric care. She had the privilege of working in many practice areas, including, addictions medicine, grief counseling, and primary care.

Her academic credentials include a Post Master’s Certification from Florida State University and a Master of Science from D’Youville College, Buffalo NY. She holds a Bachelor of Science in Nursing from Delhi University and a Master’s Degree in Social Work from the Delhi School of Social Work. Professional affiliations with organizations like the American Nurses Association underscore her commitment to the profession. With the academic, leadership and research abilities Neena, was invited to be a member at the Sigma Theta Tau International (STTI) as a graduate nursing student for demonstrating excellence in scholarship and exhibiting exceptional achievements in nursing. Neena has authored in several US Nursing Journals and Nursing Magazines. She has published / presented various research articles in international peer reviewed journals and has an active profile on Google scholar and Research Gate.

Neena's style of practice can be traditional (prescribing up to date psychiatric medications) or alternative medicine (natural treatments including but not limited to vitamins, supplements, lifestyle modification, nutrition, exercise and stress management). She believes in the mind/body/spiritual connection, and that, we are made up as a whole person and not a series of parts, just as Hippocrates "The Father of Medicine." Her holistic approach to mental health care shines through her adept management of psychotropic medications and integration of psychotherapy including supportive psychotherapy, CBT and psychodynamic therapy. Her main area of interest is the mind, body, and spiritual connection pertaining to their relationship and its role in one's health and healing. Neena has always enjoyed helping people and finds her work very rewarding. Going beyond mere diagnosis and treatment, Neena conducts meticulous examinations and mental health assessments to ensure precise identification of psychiatric illnesses. What sets her apart is his commitment to patient education is that she empowers individuals and their families with comprehensive knowledge about their conditions and treatment plans, encompassing the prescription of medications within a broader care strategy. Neena’s extensive mental health experience is complemented by her role as a clinical instructor, where she shares her insights and knowledge. This dual commitment to clinical practice and education underscores her multifaceted contribution to healthcare, emphasizing not only in treatment but also in the empowerment and education of individuals navigating their mental health journey makes her a versatile healthcare provider.

Neena's hobbies include reading, writing, beach activities, hiking and traveling with family. Her longtime hobby has always been to involve in charitable activities through the Lion’s club. “Give and it will be given to you. A good measure, pressed down, shake together and running over, will be poured into your lap. For with the measure you use, it will be measured to you.” (Luke 6:32). It is in giving that we truly receive!

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Cassandra Thomas-Jingles, PMHNP

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Cassandra Thomas-Jingles is a dedicated board-certified Psychiatric Nurse Practitioner, who also holds dual certification as a Family Nurse Practitioner. She is very passionate about helping others, she takes a holistic and evidence-based approach to mental healthcare, empowering her patients to live life to their fullest potential. Her practice specializes in medication management and supportive therapy, offering 30-minute follow-up sessions. She recommends incorporating a therapist into the care team to ensure the best possible outcomes if additional therapy is needed. With extensive experience in both outpatient and inpatient settings, Cassandra has worked with adults and children facing a range of mental health conditions, including ADHD, anxiety, depression, and psychotic disorders. She strongly believes in prioritizing the client’s involvement and interprofessional collaboration.

Your mental health journey is unique, and Cassandra is here to listen with compassion and without judgment. Our conversations are confidential, and Cassandra's goal is to create a space where you feel comfortable sharing your thoughts and concerns. During our first appointment, Cassandra will go over your mental health history, current symptoms, lifestyle factors, and any previous treatments to get a full picture of your needs. We will develop a treatment plan that may include therapy, medication, or other supportive strategies. Cassandra believes in shared decision-making, meaning your input is important in every process step. If medication is part of your treatment, Cassandra will provide clear information about its benefits and potential side effects and how we will monitor your progress. Adjustments can be made as needed to ensure the best possible outcome. Healing takes time, and Cassandra will support you throughout the process. Follow-up appointments help us track progress, make any necessary adjustments, and ensure you receive the care you need.

Your mental health journey is unique, and Cassandra is here to listen with compassion and without judgment. Our conversations are confidential, and Cassandra's goal is to create a space where you feel comfortable sharing your thoughts and concerns. During our first appointment, Cassandra will go over your mental health history, current symptoms, lifestyle factors, and any previous treatments to get a full picture of your needs. We will develop a treatment plan that may include therapy, medication, or other supportive strategies. Cassandra believes in shared decision-making, meaning your input is important in every process step. If medication is part of your treatment, Cassandra will provide clear information about its benefits and potential side effects and how we will monitor your progress. Adjustments can be made as needed to ensure the best possible outcome.
Healing takes time, and Cassandra will support you throughout the process. Follow-up appointments help us track progress, make any necessary adjustments, and ensure you receive the care you need.

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Bryce Thacker, PMHNP

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Bryce Thacker grew up in a rural community. He learned to be part of a community where helping everyone achieve their “best ‘selves” meant improving/maintaining community health and helping the community thrive. With his passion for helping people live “their best lives”, he received his undergrad in biology from the University of Nebraska and Creighton University where he majored in nursing. He obtained a Master of Science majoring in nursing (Family Nurse Practitioner) and Community health from Creighton University, and a Doctor of Nursing Practice from the University of Colorado where he focused on population and community health. He then obtained a post doctorate/graduate certification in psychiatric mental health from Washburn University.

Bryce practiced for 18 years in family practice before specializing in psychiatric mental health. This helped him gain a holistic view of mental and physical health. Since focusing on psychiatric mental health in 2022, he has helped people live “their best lives” through medication management. Whether mood disorders, PTSD, anxiety, ADHD, or other mental health conditions which may disrupt your desired QOL, he would like to be part of your journey to achieve your desired mental health goals. Bryce still lives in a rural community with his family and continues to enjoy being part of helping people live “their best ‘selves”.

Bryce understands that his goals are not your goals, and that everyone’s “best ‘self” is unique to them. He understands “meeting someone where they are at” regarding their mental health is important when helping them on their journey to “living their best life” and having a quality of life they desire. He will always keep you at the center of your care and would love to be part of your journey to achieve your mental health goals in a safe, sustaining way.  

Bryce will take time to learn about you and understand what adverse symptoms are disrupting your quality of life, and how they impact your ability to “live your best self”. Keeping your personal quality of life goals at the center, he will work with you to help overcome self-defeating thoughts and mental health labels you may have been told there is only a certain way to achieve goals that may not even be your goals. Finding a safe, sustainable way for you to achieve your desired quality of life in a holistic approach will always be at the center of your care.

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Asmita Neupane, PMHNP

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Asmita Neupane is a board-certified Post Mental Health Nurse Practitioner (PMHNP). She received her bachelor’s in nursing degree from Metropolitan state university, master’s in nursing degree from Texas Women’s University which specializes in Adult Geriatric Nurse Practitioner and completed her post-master’s degree as PMHNP from Wilkes University. Asmita Neupane has 20 plus years of experience as a Registered Nurse and almost 10 years of experience as Nurse Practitioner. Asmita Neupane is licensed to practice in Maryland and District of Columbia.

Asmita Neupane has professional interests in treating a wide range of psychiatry conditions including depression, anxiety, OCD, ADHD, PTSD, bipolar disorder, schizophrenia and eating disorders. She provides psychiatric assessments and medication management along with brief supportive psychotherapy. She focuses on holistic approaches to treatment and believes in keeping her patients healthy rather than only addressing illness. Asmita Neupane is fluent in Nepali, Hindi and English.

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Megan Freeman, MD

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Dr. Megan Freeman is board certified by the American Board of Psychiatry and Neurology in Adult Psychiatry. She completed her residency training at Vidant Medical Center at East Carolina University in Greenville, North Carolina in 2021 where she was the chief resident. Since then, she has worked as an attending physician at an inpatient adult psychiatric unit in Burlington, North Carolina. As a resident and attending she has treated adults of all ages and in all areas of mental health. Dr. Freeman's talkiatry practice will mostly focus on medication management in conjunction with support or acceptance-based therapy during 30-minute follow-up visits. During this time, Dr. Freeman hopes to collaborate with her patients to help set treatment goals and ways to track progress in between appointments. Dr. Freeman is board certified in adult psychiatry. She enjoys seeing patients with a wide variety of diagnoses including, but not limited to, major depressive disorder, bipolar disorder, post-traumatic stress disorder, obsessive-compulsive disorder, and generalized anxiety disorder. She enjoys combining medication management with various therapy techniques.‍

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Swarnalata Debbarma, MD

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Dr. Debbarma is double board certified in General Psychiatry and Addiction Medicine. Dr. Debbarma is also certified in mindfulness therapy. Prior to joining Talkiatry, Dr. Debbarma worked as an attending psychiatrist and teaching faculty member in an academic hospital. She has experience of managing diverse patients ranging from chronic severe mental illness, dual diagnosis patients, crisis management, and a high functioning outpatients population. Dr. Debbarma is an International medical graduate from India with postgraduate training in Psychiatry and Family Medicine. To better understand public health and preventive care in the USA, Dr. Debbarma pursued an advanced degree in Master of Public Health from Thomas Jefferson University, Philadelphia. Due to interest in global health, Dr. Debbarma worked as a post-doctoral fellow in Global Health at Rutgers University. Dr. Debbarma completed psychiatry residency from Cooper University Hospital and served as a chief resident. Dr. Debbarma has diverse experiences in health care. Prior to moving to the USA, she worked as a medical officer in the government hospital system. Dr. Debbarma has years of experience in treating patients from different cultural and religious backgrounds. As an individual, Dr. Debbarma is intrigued by the human mind and behavior, and that's why she chose to specialize in psychiatry. She focuses on "wholeness" by understanding the whole person not just their symptoms. Her treatment approach includes a bio-psycho-sociocultural model and patient-centered care. She offers medication management and supportive therapy. Based on clinical needs, Dr. Debbarma also incorporates CBT, mindfulness, and MI. Dr. Debbarma has a special interest in women's mental health and cultural psychiatry.

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Alexander Wittenberg, DO

Staff Psychiatrist

Background and credentials    

Dr. Alexander Wittenberg is a board-certified adult psychiatrist. He received his undergraduate degree from Cornell University, majoring in Human Biology, Health, and Society. He earned his medical degree from the New York Institute of Technology College of Osteopathic Medicine, where he was a  member of the Psi Sigma Alpha Osteopathic Honor Society. As chief resident at  Mount Sinai Beth Israel, he gained extensive experience working in outpatient  settings and managing patient care at one of New York City's busiest clinics. Dr. Wittenberg has expertise in treating a wide range of mental health conditions, including depressive disorders, anxiety disorders, bipolar disorder, trauma and stressor-related disorders, and OCD.    

Treatment approach    

Dr. Wittenberg offers highly individualized and empathic treatment, primarily focusing on medication management. He frequently recommends integrating therapy into treatment plans and may suggest collaborating with a therapist. Dr. Wittenberg prioritizes a holistic approach, emphasizing overall well-being alongside symptom relief. He encourages the incorporation of mindfulness, self-compassion, exercise, nutrition, and attention to interpersonal relationships into his treatment strategy.    

What you can expect in a first visit    

During an initial visit with Dr. Wittenberg, patients can anticipate a collaborative, patient-centered, and non-judgmental environment designed to foster a meaningful therapeutic relationship. He will thoroughly discuss individual concerns and treatment goals, exploring potential therapeutic interventions, including medication management and holistic strategies to support mental health and overall wellness.

   

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.

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Jacob Kannarkat , MD

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Dr. Jacob T. Kannarkat is an adult psychiatrist. Dr. Kannarkat's practice focuses on medication management. In his visits, he uses an integrative approach, blending an empathic, problem-solving orientation with an understanding that the reasons for an individual's condition can be complex. He has experience dealing with many forms of mental illness and works collaboratively with his patients and their other treatment providers in making a plan for recovery. Dr. Kannarkat completed undergraduate studies at the University of Florida. After receiving his medical degree at the University of Miami Miller School of Medicine, Dr. Kannarkat continued for residency at the University of Miami/Jackson Health System. He ultimately completed his training as Chief of Psychiatric Emergency Services at Yale School of Medicine. Dr. Kannarkat has experience working with adults of all ages who are dealing with depression, anxiety, bipolar disorder, PTSD, substance use disorders, and many other conditions.‍

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Tanvi Gupta, DO

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Dr. Tanvi Gupta, a native Marylander who recently finished her fellowship training in Child and Adolescent Psychiatry from the University of Maryland. She completed her residency in general psychiatry from San Antonio, Texas and is a Board Certified Psychiatrist. Prior to training, Dr. Gupta attended medical school at Touro College of Osteopathic Medicine in in New York. She also holds a master's in biomedical science from Rutgers University in New Jersey and a bachelor's in public health from the University of Maryland. She is on the Early Career Psychiatrist Committee for the Child and Adolescent Psychiatrists of Greater Washington Area. Dr. Gupta has worked in various settings, ranging from academic centers, schools, state hospitals and residential treatment centers. She also provided medication management and therapy to Medicaid patients in an outpatient setting, delivering care to children and adolescents with various mental health disorders. Dr. Gupta has experience in Emergency Psychiatry as well.

Dr. Gupta greatly values connecting with her patients. She is gentle yet direct in her approach. She uses a shared decision-making process to design a treatment plan that align with her patient’s goals. Dr. Gupta provides psycho education for diagnoses and medication recommendations. She has a special interest in ADHD and trauma. She appreciates a family-based approach.

Dr. Gupta uses a comprehensive biopsychosocial evaluation, psychotherapy and medication management to treat a variety of mood disorders, anxiety disorders, as well as ADHD. Dr. Gupta promotes non-pharmaceutical interventions, when appropriate, with patient-oriented lifestyle and behavioral modifications.

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Patricia Grendell, PMHNP

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Patricia Grendell is a board-certified Psychiatric-Mental Health Nurse Practitioner who provides mental health care using a personalized, holistic approach. Patricia specializes in psychiatric evaluation and medication management along with psychotherapy and integrative interventions. Prior to receiving education and training in Nursing at New York University and Case Western Reserve University, Patricia earned a Master of Social Work from Boston College with a focus on health and mental health.  

Patricia specializes in working with adults experiencing a wide range of acute and chronic stressors and mental health symptoms. Patricia tailors' treatment to the goals, needs, and comfort level of each individual at her or his own pace. Patricia builds connections with patients so that they feel heard and understood, and partners with each individual to determine the most appropriate treatment strategies that maximize comfort, safety, and positive results.  

Over the past ten years as a Nurse Practitioner in outpatient and inpatient environments, Patricia has helped patients improve and overcome conditions including depression, anxiety, OCD, PTSD, ADHD, and insomnia. Using a combination of medication management, individual therapy, and psychoeducation, Patricia develops individualized treatment plans centered around patients’ priorities and safety to achieve improvements in health and quality of life.

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JinGu Lee, MD

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Dr. JinGu Lee is a Board-Certified Psychiatrist in the states of New Jersey and New York. Dr. Lee focuses on understanding each client's unique background and building a strong therapeutic alliance with his client. He works with ethically and culturally diverse patient populations who struggle with conditions such as depression, anxiety, bipolar disorder, relationship issues, and more. Dr. Lee provides comprehensive medication management, including screening for relevant medical conditions, and incorporates elements of psychotherapy during his regular visits when appropriate. Dr. Lee has a long-standing interest in preventive care and cultural diversity. He studied Public Health and Cultural Anthropology at Rutgers University and received his medical degree from Rowan University School of Osteopathic Medicine in New Jersey. He completed his Psychiatry residency training at Cooper University Hospital in Camden, New Jersey, where he was recognized for his excellence in outpatient service. Outside of his career, he enjoys traveling, singing, and hiking. He believes in living a balanced lifestyle with clear goals and also focuses on maintaining a close connection with his own family.

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Veronica McKnight, LCSW

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Veronica McKnight received her Master's degree from the Hunter College School of Social Work in New York. She holds clinical social work licenses in Florida, Maine, Vermont and Wisconsin.Ms.McKnight's key areas of practice include depression, anxiety, trauma, communication in relationships, parenting challenges, compassion fatigue and grief and bereavement. Ms. McKnight specializes in Cognitive Behavioral Therapy with a strength based, solution focused approach. Ms. McKnight integrates Dialectical Behavioral Therapy and Motivational Interviewing techniques.  Ms. McKnight has been certified as a Compassion Fatigue Educator and a Certified Clinical Trauma Professional. Ms. McKnight has held leadership and clinical roles in community mental health centers, housing programs, hospitals and non-profit organizations.

I am proficient in assisting clients to navigate transitions in all aspects of the life span. Over the past 30 years, my experience has taught me that the most important aspect of therapy is the connection and comfort you feel with the person with whom you choose to share your personal struggles.

I like to listen to what patients are telling me about what is important to them and what they would like to address in therapy.  We can then start to set goals together and work towards the outcomes they want.  We always go at a pace that is comfortable to the client.

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