Mark Sundahl, MD

Tiffany Vickers is a board-certified Psychiatric Nurse Practitioner who earned her Master of Science Degree from Southeastern Louisiana University. She takes a holistic approach to mental health by recognizing the essential connection between the mind and body. Tiffany has 26 years of diverse experience in the clinical, home, and telepsychiatry settings.

Tiffany is committed to creating a safe, supportive, and nonjudgmental space where clients feel heard. She is especially passionate about reducing the stigma surrounding mental illness and believes in partnering closely with clients to help them achieve meaningful and lasting progress.

New patients working with Tiffany can expect a collaborative, respectful, and goal-oriented approach to care. She specializes in treating adults with ADHD, anxiety, bipolar disorder, depression, OCD, and PTSD. Tiffany's treatment approach utilizes a combination of medication management, lifestyle modifications, supportive therapy, and solution-focused techniques.

Her approach is grounded in empathy, clinical expertise, and a commitment to helping each individual achieve their mental health goals.

Tiffany follows a multi-stage, personalized approach when working with clients. She begins by gathering a comprehensive history, understanding the client's primary concerns, and identifying both short- and long-term goals. From there, she collaborates with each individual to develop a tailored treatment plan that includes client-specific interventions.

Tiffany's process is dynamic and adaptive! She monitors each client's progress and adjusts care as needed to ensure it remains aligned with their needs and goals. This thoughtful, individualized approach supports lasting outcomes and empowers clients to take an active role in their mental health journey.

Bethany McCann is a board-certified Adult and Forensic Psychiatrist. After obtaining her Bachelor of Arts degree in Psychology at Kent State University, she received her medical degree from Ohio Heritage College of Osteopathic Medicine. She then went on to complete her Psychiatry Residency training at The Ohio State University, where she served as a Chief Resident for two years.

Following residency, Dr. McCann pursued an additional year of training through Ohio State, where she completed a Forensic Psychiatry Fellowship. A large portion of her time was spent in the state hospital system, where she learned more about the interplay between psychiatry and the law, provided high-quality psychiatric services to an inpatient forensic population, conducted forensic evaluations, and educated the Court on psychiatric topics through expert testimony.

While Dr. McCann has had experience working in a variety of settings, she has maintained a passion for outpatient psychiatry and building a strong, therapeutic relationship with her patients. Dr. McCann will provide an evidence-based medication management visit for a variety of psychiatric conditions including depression, anxiety, bipolar disorder, ADHD, PTSD, and OCD, while incorporating therapeutic techniques that are tailored to the individual and their goals.

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Shanika is a dedicated and compassionate board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) with over a decade of experience in the mental health field. She holds a Bachelor of Science in Nursing, a Masters in Nursing Education, and a Post-Master’s Certificate as a Family Psychiatric Nurse Practitioner. Shanika is known for her patient-centered approach, prioritizing empathy, respect, and individualized care. She is committed to building strong therapeutic relationships grounded in trust and open communication.

New patients can expect a warm, non-judgmental environment where they feel heard and supported. Shanika collaborates closely with each patient to create personalized treatment plans, helping them feel empowered in their mental health journey.

Shanika begins with a comprehensive psychiatric evaluation to understand each patient’s history, symptoms, and goals. Her treatment may include medication management, supportive therapy, and psychoeducation. She specializes in anxiety, depression, bipolar disorder, ADHD, trauma/PTSD, mood disorders, and women’s mental health. Shanika has extensive experience providing care for both adolescents and adults in outpatient settings, with a particular focus on underserved communities.

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*THIS PROVIDER CANNOT PRESCRIBE CONTROLLED SUBSTANCES FOR NH PATIENTS* Dr. Peter Truong is a board-certified psychiatrist trained in Adult Psychiatry. He received his medical degree from FIU Herbert Wertheim College of Medicine in Miami, Florida, and completed his residency training at Cambridge Health Alliance – Harvard Medical School.

Dr. Truong treats each patient with a holistic, evidence-based approach that incorporates psychopharmacological and psychotherapeutic best practices. His priority is to build a safe and trusting working relationship with each patient, keeping in mind their unique biological, psychological, social, and spiritual contexts.

Dr. Truong has extensive experience treating depression, anxiety, ADHD, and trauma-related disorders. He incorporates therapy modalities such as supportive, psychodynamic, CBT, and EFT. Other professional interests include LGBTQIA and college mental health, mindfulness, and interventional psychiatry. He has worked with individuals with diverse backgrounds from all walks of life.

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.

Dr. Michael Fiori is Board Certified in Adult Psychiatry and Addiction Medicine. He has practiced general psychiatry for 37 years, and has also sub-specialized in Addiction Psychiatry for the past 20 years. Dr. Fiori's practice emphasizes Diagnostic Clarification, which is an ongoing process. He is highly trained and experienced in the biological and psychosocial underpinnings of psychiatric problems. He typically follows diagnostic evaluations with 30-minute follow up visits for medication adjustments and brief therapy. Dr. Fiori often enjoys collaborating with outside therapists when needed. Dr. Fiori graduated from Amherst College and received his medical degree from NY Medical College. He subsequently completed his residency in psychiatry at the Mount Sinai Medical Center in NYC. He excelled in Academic Psychiatry as both a teacher and a mentor. His practice has always combined medications with evidence-based therapies to alleviate suffering and maximize functioning. In addition to his work as a Board Certified Adult Psychiatrist, he has specialized in helping patients suffering from Substance Use Disorders. Dr. Fiori is Board Certified in Addiction Medicine, and helps patients understand the interrelationships between their Substance Use Disorders and their Psychiatric illnesses.