Anxiety Psychiatrists in Pennsylvania

Background and credentials

Dr. Sinner is board-certified in Psychiatry. He completed his psychiatry residency training at Dartmouth-Hitchcock Medical Center. With over 14 years of experience, he has worked in a variety of settings, including five years in inpatient psychiatry in Vermont, where he served as Medical Director for a state hospital psychiatric unit and taught medical students. He then spent five years working in an outpatient community mental health center in Pennsylvania before transitioning to telepsychiatry, providing care to individuals in Pennsylvania, Florida, and New York.

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Treatment approach

Dr. Sinner employs a collaborative, patient-centered approach, tailoring treatment plans to meet each individual's specific needs. His practice integrates pharmacotherapy with cognitive behavioral therapy (CBT) and supportive therapy as needed. He specializes in treating a wide range of psychiatric conditions, including depression, bipolar disorder, anxiety, ADHD, neuropsychiatric disorders, developmental disorders, and personality disorders. His philosophy is to provide personalized care that makes a meaningful impact at different stages of a patient’s life.

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What you can expect in a first visit

During the first visit, patients can expect a comprehensive evaluation focused on understanding their mental health concerns, history, and treatment goals. Dr. Sinner takes a compassionate and collaborative approach, working closely with patients to create individualized treatment plans. He ensures that each patient receives a balanced and effective combination of medication management and therapeutic interventions suited to their unique needs.

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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.

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Brittney is a Licensed Mental Health Counselor in the State of New York. She attended SUNY Buffalo where she obtained a Bachelor's in Psychology and a Master's in Education with a Certificate of Advanced Study in School Counseling and a Certificate of Advanced Study in Mental Health Counseling. Brittney started her career as a School Counselor before transitioning full-time to Mental Health Counselor. Brittney is an empathetic and open-minded clinician, striving to meet her clients where they are, build trust, and maintain a safe, non-judgmental environment. She is experienced and passionate about working with teens and adults with various forms of trauma. Additionally, Brittney utilizes SPACE (Supportive Parenting for Anxious Childhood Emotions) for families impacted by anxiety and OCD to help them understand the impact these experiences have on their lives, ultimately finding the resolutions and outcomes they hope for. While EMDR therapy is her primary treatment approach for individuals, or SPACE for families, she also utilizes ACT, Parts Work, Motivational Interviewing, CBT, and others.

Emily Romeo, LPC holds a license as a professional counselor in the state of Pennsylvania. She has over 15 years of experience working with a broad range of individuals at varying levels of care and clinical severity. Emily is board-certified in clinical mental health counseling by the National Board for Certified Counselors. Emily approaches therapy in an integrative, client-centered manner. She implements a variety of therapeutic techniques to include mindfulness, dialectical behavioral, acceptance and commitment concepts, psychoeducation, and trauma-informed care. She values the therapeutic relationship and strives to provide a safe, accepting atmosphere to ensure her clients feel heard, validated, and empowered. Emily received her master's degree from Messiah College and her undergraduate work was completed at the Pennsylvania State University. Emily has provided clinical care to a variety of individuals ranging from those struggling with complex trauma and substance use disorders to children/adolescents/adults dealing with anxiety, depression, mood instability and adjustment difficulties related to life changes. She has expertise in a variety of counseling settings including outpatient, partial hospitalization, residential, and in-home. She utilizes multiple treatment modalities which include individual, group, and couples/family therapy. An area of interest for Emily includes working with young adults struggling with co-occurring disorders. As the clinical coordinator of Silvermist Recovery, a premier residential treatment facility, she has been able to expand her clinical skills. Her philosophy is based on Acceptance and Commitment Therapy (ACT), a transdiagnostic model that allows her to provide high quality care to her patients.

Dr. Victoria Mustovic is a board-certified psychiatrist trained in general adult psychiatry who specializes in perinatal, postpartum, and LGBTQIA+ behavioral health. Clinical practice focuses on managing a variety of mental health conditions with particular interests in treating ADHD, OCD, anxiety, and mood disorders. A collaborative care approach is utilized to actively engage patients in treatment decisions and planning. Medication management is integrated with therapy to support a more comprehensive clinical approach. Therapy treatment focuses mainly on supportive therapy with use of additional therapy modalities based on patient needs. An evidence-based approach is combined with consideration of individual factors in order to work with patients to create a holistic, patient-centered treatment plan. Dr. Mustovic completed an undergraduate education at Allegheny College with a bachelor's degree in biology and double minor in psychology and chemistry. Dr. Mustovic went on to pursue a Medical Doctorate at Jacobs School of Medicine and Biomedical Sciences at the University of Buffalo, graduated Summa Cum Laude, and was inducted into Alpha Omega AlphaHonor Society for academic achievement. After medical school, Dr. Mustovic completed psychiatry residency at Allegheny Health Network. Additional experience includes both co-authoring a book chapter on women's behavioral health and presenting posters on several different topics in mental health for the Pittsburgh Psychiatric Society, including a presentation on the identification and management of complex trauma in victims of sex trafficking. Dr. Mustovic has 2 years training in outpatient perinatal and postpartum behavioral health and 6 months experience working as co-facilitator in a perinatal and postpartum intensive outpatient treatment program both through the Alexis Joy D'Achille Foundation for Postpartum Depression at West Penn Hospital. Work as a co-facilitator included assisting patient groups in understanding and developing coping skills for a variety of therapy modalities including mindfulness, behavioral activation, interpersonal, cognitive behavioral (CBT), and dialectical behavioral (DBT) therapies. Dr. Mustovic is also dedicated to serving the LGBTQIA+ community with experience in LGBTQIA+ patient care over 4 years at Allegheny Health Network in a variety of clinical settings including inpatient, outpatient, and intensive outpatient programs. Dr. Mustovic is passionate about providing a supportive treatment environment to help improve equal access to care and support patients in advocating for their needs and concerns in health care settings.

Dr. Triston Wong is a board-certified adult psychiatrist who emphasizes a collaborative approach and strong therapeutic alliance in the treatment of psychiatric conditions. Though his practice focuses on medication management, Dr. Wong advocates for a holistic approach to treatment. He may incorporate elements of various psychotherapies, including supportive, cognitive-behavioral (CBT), and insight-oriented therapy. At times, Dr. Wong may believe that additional therapy is needed for the best outcome and recommend that you bring a dedicated therapist into your care team. Dr. Wong completed his undergraduate studies at Tulane University. He received his medical degree from Louisiana State University New Orleans School of Medicine, then completed his residency training in general psychiatry at Thomas Jefferson University Hospital in Philadelphia, PA. Dr. Wong has experience working with patients of widely varying backgrounds and socioeconomic statuses. He works primarily with adult patients struggling with depression, anxiety, trauma, and grief. ‍

Dr. Cyndia Choi has been board certified in psychiatry since 1991. She has 30 years of experience treating a diverse population of cultures, LGBTQ issues, and different age groups from young adults to seniors. After attending Johns Hopkins University in Baltimore for her bachelor's degree, Dr. Choi received her medical degree from The University of Medicine and Dentistry of New Jersey at Rutgers Medical School. She went on to complete a general medical internship at Hahnemann University Hospital in Philadelphia and then her Psychiatric residency at the University of Pennsylvania .Dr. Choi has treated patients who have had a broad spectrum of diagnoses including major depressive disorder, post-traumatic stress, bipolar disorder, OCD, panic and anxiety, and addiction. Although the majority of her work has been in outpatient care, Dr. Choi has worked in emergency settings, inpatient units, and as a consultation-liaison to medical units. She has also enjoyed the honor of working with US military veterans. Dr. Choi's specialty is medication management, however, she believes that a therapeutic relationship is crucial to treatment. Dr. Choi values the privilege of getting to know each patient personally to develop a patient-centered plan of care.‍Typical follow-up appointments with Dr. Choi are 30 minutes in length to check on medication effects and for supportive therapy. If she believes that you may benefit from more in-depth therapy, she may recommend adding a therapist to your treatment team. Dr. Choi also believes in a holistic approach toward helping you achieve a healthy and fulfilling quality of life.

Dr. Walter Piddoubny is a double boarded psychiatrist in Adult Psychiatry and Consultation Liaison Psychiatry. He completed his undergraduate degree at Stony Brook University followed by his medical degree at SUNY Buffalo School of Medicine and Biomedical Sciences. He completed his Psychiatry Residency at Stony Brook University Hospital followed by his fellowship in Consultation Liaison Psychiatry at Yale New Haven Hospital. Dr. Piddoubny has held academic appointment at Stony Brook University Hospital practicing as a consultant psychiatrist as well as Associate Program Director of the Psychiatry Residency Program. He has been actively involved in teaching and was awarded "Teacher of the Year" in 2018 by the psychiatry residents. Dr. Piddoubny's practice focuses on medication management. Typically, he offers this in conjunction with supportive or emotionally focused therapy during 30-minute follow-up visits. Occasionally, Dr. Piddoubny may believe that additional therapy is warranted and ask that you bring a therapist into your care team in order to provide the best possible outcome.‍

Dr. Alejandra Cattan is a bilingual psychiatrist who delivers care in English and Spanish. She went to medical school in Buenos Aires, Argentina, and completed her psychiatry residency at Bronx Care Health system. She then completed additional training in Psychodynamic Psychotherapy at NY Medical College Psychoanalytic Institute. After completing residency, she worked as an attending psychiatrist in New York and later transitioned to dedicated outpatient work. Dr. Cattan brings exceptional care to her patients. She provides supportive psychotherapy and applies psychodynamic psychotherapy skills to discover the root of their suffering, in conjunction with medication management resources. Dr. Cattan believes in a biopsychosocial model to address her patients' issues. Her areas of expertise include medication management, mood disorders, anxiety disorders, bipolar disorder, PTSD, and substance use disorders.

Dr. Niles (he/him) holds the position of Staff Psychiatrist at Talkiatry. He has four years of experience in outpatient psychiatry and is board-certified for adult psychiatry. He has received training in the use of cognitive behavioral therapy, supportive therapy, motivational interviewing, psychodynamic therapy, and dialectical behavioral therapy skills. He uses his training in therapy in tandem with medicine management to provide holistic, person-centered care. During his undergraduate studies at the University of Pittsburgh, while completing his pre-medical classes, he also pursued certification in the history and philosophy of medicine. Additionally, he studied the effect of culture and ethics on healthcare. He earned a Bachelor of Science in Psychology with a minor in Chemistry. He attended medical school at the West Virginia School of Osteopathic Medicine. His psychiatry residency training was completed at Charleston Area Medical Center. While in residency, he worked to improve cultural awareness in the outpatient setting. Dr. Niles is interested in treating patients with a wide variety of diagnoses. He treats mood disorders, anxiety disorders, trauma-related disorders, personality disorders, OCD, comorbid addiction, mild eating disorders, neurodevelopmental disorders such as autism spectrum disorder, and more. He also strives to provide care that affirms LGBTQIA+ identities and underwent additional training in transgender mental healthcare.

Dr. Antonio Ramirez earned his medical degree from Ponce Health Sciences University, where he also served as Chief Resident in Psychiatry. He completed residency training at Ponce Health Sciences University and the U.S. Veterans Health Administration, Caribbean Healthcare System, followed by a Fellowship in Consultation–Liaison Psychiatry at Montefiore Medical Center, Albert Einstein College of Medicine. Board-certified in both Psychiatry and Consultation–Liaison Psychiatry, he has served as Director of Psychiatry at the Roberto Clemente Center and Clinical Assistant Professor at NYU Grossman School of Medicine. Dr. Ramirez is bilingual in Spanish and bicultural, with published research in cultural psychiatry and stress biology, and has been recognized for teaching and leadership.

Dr. Ramirez focuses on compassionate, evidence-based care that integrates psychotherapy and psychotropic medications to promote recovery and growth. His collaborative and respectful style ensures patients feel heard while working toward meaningful goals. He emphasizes setting clear expectations from the start to foster confidence and engagement. With his background in consultation–liaison psychiatry, Dr. Ramirez brings expertise in caring for individuals managing psychiatric conditions alongside significant medical illness.

The first appointment is a comprehensive evaluation, during which Dr. Ramirez carefully explores a patient’s history, conditions, and symptoms. Based on this, he develops a personalized treatment plan and reviews it collaboratively, so expectations are clear. Future visits focus on monitoring progress, adjusting the plan as needed, and integrating both psychotherapy and medication management to best support the patient’s needs and long-term growth.

Dr. Kira Posterarois double board-certified in General and Addiction Psychiatry and has over 10 years of clinical practice experience. She completed residency training at Allegheny General Hospital in Pittsburgh, PA, followed by a fellowship in Addiction Psychiatry at Beth Israel Medical Center in New York, NY. Her career has included serving as Director of Psychiatric Services at an addiction treatment center in Pittsburgh, PA, as well as Section Chief Psychiatrist for Addiction Services and then Chief of Psychiatry at VA Pittsburgh Healthcare System, where she had the honor of caring for our nation’s Veterans for nearly 9 years.  

Dr. Posteraro approaches care collaboratively and holistically, combining motivational interviewing, supportive therapeutic techniques, and evidence-based medication management. She meets patients where they are, working together to create personalized treatment plans that support recovery and overall well-being. While she specializes in the treatment of substance use disorders,

Dr. Posteraro has broad experience treating mood disorders, anxiety disorders, and trauma-related conditions across diverse patient populations.

Dr. Brenda Y. Camacho holds the position of Staff Psychiatrist at Talkiatry. She is board-certified in Adult Psychiatry. She has been practicing for over 25 years. While having treated a wide range of adult patients, Dr. Camacho's primary focus is treating adult outpatients with mood or psychotic disorders. Her practice focuses on medication management. Typically, she offers this in conjunction with supportive or insight-oriented therapy in 30-minute follow-up visits. On occasion, Dr. Camacho will believe additional therapy is also needed and asks that you bring a therapist into your care team to provide the best outcome. Dr. Camacho completed her undergraduate studies at Tufts University. She received her medical degree from Temple University School of Medicine in Philadelphia, PA and then continued with Temple for her residency in adult psychiatry. After completing training, Dr. Camacho worked at Cooper Hospital in Camden, NJ as Associate Director of Consultation/Liaison Service and Psychiatry Residency Training and Co-Director of the Neuropsychiatry Clinic. She then began working exclusively in outpatient settings, joined NewPoint Behavioral Health Care, and served as Medical Director before and after their merge with Acenda Integrated Health.

Dr. Lucky Ly is a board-eligible psychiatrist who received his medical degree at Lake Erie College of Osteopathic Medicine and completed training in the psychiatric residency program at Millcreek Community Hospital. He has experience treating various psychiatric disorders including depression, anxiety, obsessive-compulsive disorder, bipolar disorder, attention deficit/hyperactivity disorder, and other related disorders. Dr. Ly uses evidence-based treatments and supportive psychotherapy such as cognitive behavioral therapy and interpersonal psychotherapy to help his patients. He encourages open communication and active participation as he believes they are key to successful treatment.

Dr. Sara Mateo holds the position of staff Psychiatrist at Talkiatry. She is a board-eligible adult Psychiatrist. Dr. Mateo completed her Medical degree at the University of Benghazi- Faculty of Medicine and finished General Psychiatry Residency training at Tower Health/DrexelPhoenixville Hospital. Throughout her career, Dr. Mateo has actively contributed to various leadership roles and committees, demonstrating her commitment to advancing medical education and promoting diversity in the field. During her training, she generously shared her knowledge through educational presentations and lectures, fostering the growth of fellow trainees and medical students. Dr. Mateo is dedicated to creating a therapeutic environment characterized by warmth, empathy, and nonjudgmental support. Her approach involves collaborating with patients to develop individualized treatment plans that consider cultural, biological, psychological, and social factors. With a primary focus on medication management, Dr. Mateo's keen interest in psychotherapy is evident, as she often integrates supportive therapy, cognitive behavioral therapy, and psychodynamic psychotherapy during 30-minute follow-up visits to optimize wellness and recovery. Dr. Mateo brings a wealth of experience in caring for individuals of diverse ages and backgrounds, adeptly addressing a wide spectrum of conditions. Her expertise extends to treating depressive disorders, bipolar disorders, anxiety disorders, trauma and stress related disorders, ADHD, OCD, Insomnia, psychotic disorders; she also has experience treating individuals with medical comorbidities.

Waded Baquerizo-Mahuad is an LPC (Licensed Professional Counselor) in the state of Pennsylvania. She received her Master's (M.A.) in Mental Health Counseling from Kutztown University in 2016. She is also a Clinical Psychologist in her home country of Ecuador. She has provided mental and behavioral services to children and their families as a therapeutic staff support and mobile therapist, providing in-home services and services in the community. She has worked in Community Mental Health and Private Practice where she has gained experience treating various Mental health diagnoses that include PTSD, Anxiety, Depression, OCD, Grief, Adjustment Disorders, etc. As an experienced bilingual counselor, she utilizes an eclectic approach in her practice, taking into consideration the stage and uniqueness of her client's psychological, emotional, and social needs. Some of her approaches in therapy are the person-centered approach, cognitive behavioral therapy, psychodynamic approach, motivational interviewing, and solution-focused approach. She integrates Sensory Motor techniques as well as Mindfulness and Grounding techniques. In her practice, she also applies a Strength-Based Modality and Trauma-informed Focus. She also implements Eye Movement Desensitization and Reprocessing (EMDR) interventions.

Mu Xu, MD is a Psychiatrist at Talkiatry. He obtained his medical doctorate degree from the University of Chicago Pritzker School of Medicine and PhD from New York University. He completed his psychiatry residency at New York University. Dr Xu is licensed to practice in California, New York, New Jersey, Connecticut, Pennsylvania, and Maryland. Dr. Xu provides both medication management for a variety of psychiatric conditions. Dr. Xu is fluent in English and Mandarin. Dr. Xu is a general adult psychiatrist specializing in medication management. He values building strong connections with patients from all walks of life and tailoring treatments to their unique needs. His working style is characterized by attentive listening, detailed follow-up questions, and straightforward communication, fostering a collaborative and empathetic environment.