Bethesda Office

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Meet Our Team:

Anthony Massey, MD

Dr. Anthony Massey grew up in New Orleans, Louisiana. He earned a BA and MBA at Johns Hopkins, and an MD from the Louisiana State University School of Medicine in New Orleans. He completed his internship in the US Navy and residency in psychiatry at Sheppard Pratt Hospital. He is board-certified in both psychiatry and addiction medicine.

Dr. Massey is a retired from the US Navy, having served as a physician in East Asia during Operation Desert Shield and during the Iraq War as an addiction medicine psychiatrist. Also, he was on faculty at the University of Maryland School of Medicine in the departments of psychiatry, internal medicine and family medicine. Dr. Massey has worked with adolescent and adult patients in hospital and in outpatient settings. Particular areas of focus have been mood and anxiety disorders, attention deficit disorders, addiction, and integrated health and wellness.

Anthony Massey

Patricia Dunn, MS, NCC, LCPC, Chief Clinical Officer

Patricia Dunn is a Licensed Clinical Professional Counselor in the state of Maryland and a National Certified Counselor. Patricia received her Bachelor of Science degree in Psychology with minors in Sociology and Business, and a focus on Developmental Research, from Virginia Polytechnic Institute and State University. Patricia received her Master of Science degree in Mental Health Counseling Therapy from McDaniel College, where she specialized in Child and Adolescent Psychology, Stress and Anxiety Management, Substance Abuse and Addictions, and Positive Psychology. Patricia has worked in the hospital, in-home and private settings; providing mental and behavioral health care to children, adolescents, adults, families and couples. Patricia has experience working with intellectual and developmental disabilities, as well as court-ordered treatment programs. Most recently, Patricia provided in-home and in-school therapy to Baltimore City and Baltimore County residents and their families. Patricia provides a collaborative, interactive and person-centered approach to therapy for children, adolescents, adults, couples and families. Patricia’s focus at Gladstone is working with children, adolescents and young adults, as well as their families, to help them improve their overall quality of life and work toward a brighter future. In addition to traditional methods, such as CBT and DBT; Patricia utilizes creative therapy techniques, such as art, narrative and adventure therapy, whenever possible. Patricia’s goal is to make therapy a positive and life-changing experience for all involved.

Patricia Dunn

Deloran Wilson, MD, Senior Medical Director

Dr. Deloran Wilson is a native of Baltimore, earning her Bachelor of Science in Biology from Morgan State University and her MD from Howard University College of Medicine. She completed her residency training at Thomas Jefferson University Hospital in Philadelphia, PA. She is a board-certified psychiatrist.

Dr. Wilson has worked as an attending physician and Assistant Professor at the University of Maryland School of Medicine as well as an attending physician at the University of Maryland St. Joseph Medical Center. Treatment settings include an Assertive Community Treatment (ACT) team, a community mental health clinic and psychiatric emergency services. Her professional interests include mood disorders, emergency psychiatry and women’s mental health.

Dr. Deloran Wilson

Surbhi Khanna, MD, Medical Director

Dr. Surbhi Khanna completed her adult psychiatry residency training at University of Virginia, Charlottesville, VA. She then pursued her Addiction Psychiatry fellowship training at the Medical University of South Carolina, Charleston, SC. She is board certified in Adult Psychiatry as well as Addiction Psychiatry. She is able to prescribe buprenorphine for adult patients with opioid use disorder (like heroin or pain pills). Dr. Khanna believe in taking an integrative, holistic approach to mental health and particulate those who struggle with substance use disorders. Her goal is to provide high quality, patient-centric psychiatric care using a collaborative approach.

Surbhi Khanna

Danielle Cox, MSW, LCSW-C

Danielle Cox is a Licensed Clinical Social Worker in the State of Maryland and a Maryland board approved Clinical Supervisor. She earned her Bachelor of Science degree in Psychology and Sociology from Towson University in Towson, MD, and earned her Master of Social Work degree in Clinical Social Work from Tulane University in New Orleans, LA. 

She has worked in a variety of clinical healthcare settings and has experience working with clients with eating disorders, disordered eating, mood and anxiety issues and life transitions. Danielle has training in evidence-based therapies such as Cognitive Behavioral Therapy (CBT), The Unified Protocol, Mindfulness and Acceptance Commitment Therapy (ACT). 

Danielle works with her clients to learn how to manage mood changes, anxiety and stress during life changes. She is also passionate about supporting clients during the grief process after experiencing loss and helping women during mid-life transitions related to changes in roles, demands of parenting and caring for aging parents. Most recently, Danielle was the Site Director of the Renfrew Center in Bethesda, MD and treated girls and women with eating disorders.  Danielle provides a collaborative, interactive and relational approach to therapy for adults. Her focus at Gladstone is working with adult clients to help them identify and process difficult emotions while ensuring that they feel supported along the way. Her goal is to make therapy a helpful and positive experience for everyone.

Danielle Cox

Jim McGreevey, MS, LCPC

Jim is a Licensed Clinical Professional Counselor in the state of Maryland with over 15 years’ experience. He has worked extensively in the treatment of addictions and co-occurring disorders and has found DBT skills training to be instrumental in enhancing patient’s ability to regulate the intense emotions that often lead to relapse. In private practice he has also worked with patients struggling with depression, anxiety and trauma symptoms.

He received his Master of Science in Counseling Psychology degree from Loyola University of Maryland where he later served on the adjunct faculty. He has completed Levels I and II of Advanced Trauma Training from the Institute for Advanced Psychotherapy Training and Education. Most recently he served as Regional Clinical Director for the Kolmac Outpatient Recovery Centers.

Jim McGreevey

Sandra Rublee, MSc., LMSW

Sandra Rublee is a Licensed Masters Social Worker in the state of Maryland and received her master’s degree in Clinical Social Work from the University of Maryland. Sandra was born in Switzerland and has worked in different clinical settings in the U.S., Europe, and in South East Asia. She is multilingual and speaks fluent English, German, and Swiss German.

Sandra has experience in providing individual therapy, family therapy, couples therapy, and group therapy. Sandra has extensive training in evidence-based therapies such as Cognitive Behavioral Therapy (CBT), Dialectical Behavioral Therapy (DBT), Family-Based Treatment (FBT), and Acceptance Commitment Therapy (ACT). She will be able to treat clients for a range of problems such as low self-esteem, relationship issues, mood disorders, eating disorders, anxiety, and trauma. For more complex problems, Sandra provides comprehensive DBT treatment which includes individual therapy, skills training groups, and phone coaching. Sandra has extensive DBT training from the Behavioral Tech.

Also, Sandra has clinical expertise in eating disorders and family therapy and specialized at the Center for Eating Disorders at Sheppard Pratt treating children, adolescents, adults and their families. Previously, Sandra received a Master of Science in Biochemistry from the University of Zürich, Switzerland. At the Birkbeck College, University of London, U.K. she completed a postgraduate diploma in psychodynamics of human development.

Sandra Rublee

Marina Needham, PMHNP-BC

Marina Needham is board certified as Adult Psychiatric Mental Health Nurse Practitioner. She earned her MSN from University of Maryland Baltimore. Ms. Needham has worked with teenagers 16+ and adults in outpatient and inpatient settings. While working at the Clinical Insights group practice, she was selected for the Best Providers of Anne Arundel County list in 2008-2009. Ms. Needham provided care to active duty personnel and their dependents while working on the inpatient psychiatry ward at the Walter Reed National Military Medical Center in Bethesda, MD. In addition, she was a mentor to psychiatry residents, and a preceptor for the medical and NP students from the Uniformed Services University of Health Science. Most recently, Ms. Needham worked at Center for Eating Disorders at Sheppard Pratt.

Ms. Needham has specialized in the areas of mood disorders, anxiety, eating disorders, and PTSD. She believes in a multidisciplinary treatment approach providing patient-centric psychiatric care. She is multilingual and speaks fluent Russian and Ukrainian. 

Edirin Uwayzor, CRNP

Marina Needham, CRNP


Main Phone: 443-708-5856
To request and schedule a new patient appointment, call and choose Option 1.

Deaf and hard-of-hearing patients, to schedule an initial appointment, please email or contact Morgan at 443-708-5856, extension 104.