Our providers offer obsessive-compulsive disorder therapy in Cambridge, MA

I am a psychiatric mental health nurse practitioner based in Massachusetts, working with teenagers and adults of all ages experiencing a range of mental health concerns. I completed a master's degree in adult gerontology, followed by a post-master's degree in mental health. Through my education and experience, I have developed a deep understanding of the challenges that can affect mental well-being. My focus is on identifying these challenges and creating a customized plan to help improve mental health.

I am deeply passionate about working with teenagers and adults of all ages who feel overwhelmed by stress, anxiety, or depression related to life's challenges, such as family issues, career pressures, and relationship difficulties. I am dedicated to helping those who are motivated to improve their situation and achieve their goals.

Life's challenges can be difficult, but developing new skills is a powerful way to reclaim our strength and confidence! Let's embrace this journey together!

I am a Psychiatric Mental Health Nurse Practitioner with experience supporting individuals facing depression, anxiety, trauma, bipolar disorder, and substance use challenges. I work with adults who feel overwhelmed, emotionally stuck, or in need of stability and clarity. I take a collaborative, compassionate approach that combines evidence-based treatment with a strong focus on listening and understanding each person's unique experiences. I provide psychiatric evaluation, medication management, and supportive therapy while helping clients develop practical coping skills and realistic treatment goals. 

I use a collaborative, patient-centered approach that combines evidence-based medication management with supportive therapy. I focus on treating anxiety, depression, trauma, bipolar disorder, and substance use, helping clients build coping skills, improve emotional regulation, and work toward lasting mental wellness.

Taking the first step toward support can feel difficult, but you don’t have to face life’s challenges alone. I strive to create a safe, supportive space where you feel heard, respected, and understood. When you’re ready, I welcome the opportunity to work with you on your journey toward healing and balance.

Dr. Sumio Shinohara is a Licensed Psychologist (LP) with more than 15 years of experience working with adults, adolescents, and couples seeking help with depression, anxiety, life transitions, men’s issues, trauma/PTSD, mood disorders, grief and loss, and relationship issues. 

Dr. Shinohara earned his Master's degree in Counseling Psychology from Abilene Christian University and completed his Doctorate in Clinical Psychology at William James College in MA. He also received his psychoanalytic training at the Boston Graduate School of Psychoanalysis.

Dr. Shinohara's primary therapeutic approach is eclectic, including person-centered, cognitive behavioral (CBT), and psychodynamic approaches, and values each client's experience of feeling deeply and empathetically understood. Through the experience of feeling understood, clients will also be able to have opportunities to understand more about themselves, which usually brings multiple positive improvements in clients' life.

Dr. Shinohara believes in the power of empathy and acceptance clients can experience in a safe therapeutic relationship. He seeks to establish a caring, respectful, and compassionate relationship with clients who have difficulty accepting negative aspects of themselves. Dr. Shinohara will also encourage clients to focus on the root cause of the issues in addition to coping and managing their symptoms.

Jing J. Liu is a Resident Licensed Mental Health Counselor with over 10 years of experience in a variety of healthcare settings. She specializes in assisting adults and seniors who are coping with major life transitions, relationship challenges, depression, anxiety, and trauma. Jing connects with clients to create a space for vulnerability, reflection, healing, and empowerment.

Jing has a Master’s in Rehabilitation Counseling from the University of Massachusetts Boston. She works with a client-centered approach and utilizes treatment models including mindfulness, spiritual healing, cognitive behavioral therapy, dialectical behavior therapy, and compassion-focused therapy. Jing also specializes in meditation and somatic healing.

Jing believes in emphasizing the importance of compassion in interactions with the world and the self. She looks forward to working with you as a team to assist you in attaining your goals. Schedule your first appointment with Jing today!

I am a Resident Licensed Mental Health Counselor with 14 years of experience supporting individuals on their journey toward healing and personal growth. I specialize in helping clients navigate life transitions, manage stress, and cope with anxiety. My goal is to provide a safe, supportive, and empowering space where people can gain clarity, build resilience, and move confidently toward their goals. I approach therapy with compassion and cultural sensitivity, ensuring each client feels understood and equipped to overcome challenges.

I earned my Master’s in Mental Health Counseling from the Boston Graduate School of Psychoanalysis. My therapeutic style blends evidence-based strategies with a collaborative, client-centered approach. I create an open, nonjudgmental environment where individuals can explore challenges, strengthen coping skills, and discover new perspectives.

I know that reaching out for support takes courage, and I want you to feel reassured that you don’t have to face life’s difficulties alone. Together, we can uncover your strengths and chart a path toward meaningful growth and lasting change. I would be honored to walk alongside you on your journey.

Margaret Oloyede is a Psychiatric Mental Health Nurse Practioner with 8 years of experience treating adults who are struggling to cope with depression, bipolar disorder, anxiety disorders, ADHD, and eating disorders. 

Margaret received her Master’s of Science from Regis College—Massachusetts. Her past experience includes having provided inpatient care, as well as having worked in outpatient settings, offering psychiatric care to patients who have complex or chronic illnesses.

Work with Margaret to start prioritizing your mental health—she’ll offer expert guidance and support as you both address the difficult situations or mental health conditions that are causing your emotional pain. Margaret’s goal is to help stabilize your mental health while also increasing your physical activity, self-reassurance, and coping skills through quality psychiatric care.

Marissa Ross is a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) who treats a variety of mental health concerns including mood disorders, depression, anxiety, sleep, insomnia, PTSD, substance abuse, and women's issues. Marissa is a compassionate provider with strong clinical skills and an emphasis on following evidence-based guidelines.

Marissa completed her PMHNP program at Rivier University-Nashua. Through her studies at Rivier, Marissa established strong clinical skills and rapport-building techniques in working with adult patients. Marissa provides culturally sensitive, emotionally-focused, and person-centered care through cognitive behavioral therapy (CBT), dialectical behavior therapy (DBT), and Motivational Interviewing (MI). 

Marissa is confident in her ability to support adult patients seeking guidance in coping with a variety of mental health struggles. If you are ready to get started on your healing journey, schedule an appointment with her today. 

Shanta Cortez-Greig is a Licensed Independent Clinical Social Worker (LICSW) with over 8 yrs of experience working with children, teens, adults, and seniors who are seeking help in coping with surviving trauma, addiction, depression, anxiety, chronic stress, communication issues, dysfunctional relationships, and more.

Shanta utilizes an integrative approach to therapy and counseling, relying on cognitive behavioral techniques (CBT) and humanistic methods, as well. 

She also specializes in helping to address partner-related difficulties through couple's therapy.  

Work with Shanta to start finding solutions to the everyday problems that are facing you, regardless of age. And for couples, you can lean on Shanta to help you through turbulent patches in your relationship, while learning how to communicate and achieve your shared and personal goals.