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.
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.
Surbhi Khanna, MD, Senior 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.
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.
Erica Guiton, LCSW-C
Erica Guiton is a Licensed Clinical Social Worker in the state of Maryland. Erica holds her Masters in Social Work from the University of Maryland, Baltimore with a clinical concentration in Behavioral Health and a sub-specialization in Employee Assistance Programs.
Erica has experience in a variety of settings providing individual and group therapy to adults struggling with a wide range of concerns. Erica has previously worked at a treatment center for individuals with substance abuse and co-occurring disorders and she is currently an EAP consultant at the National Institutes of Health Employee Assistance Program providing counseling to employees at NIH.
Erica hopes to create a safe, compassionate and collaborative environment that fosters your ability to build new skills, increase self-awareness and gain insight. Erica has a person-centered, strengths-based approach and utilizes elements of various techniques including ACT, CBT, solution focused therapy and mindfulness. Some of Erica’s specialties include women’s issues, self-esteem, anxiety, perinatal mental health, depression and stress.
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.
Edirin Uwayzor, CRNP, Medical Director
Edirin (pronounced A·di·rin) Uwayzor is an ANCC Board Certified Psychiatric Mental Health Nurse Practitioner. Edirin has experience working with diverse and underserved populations. Her professional experience includes working as a registered nurse in critical care, post-anesthesia care, and behavioral health. She takes a non-judgmental and holistic approach to the mental health and wellness by allowing her clients to explore, grow, and reach their personal goals. Her vision is to help her clients reach full potential in every aspect of their lives without mental health hindering them. Edirin is empathetic, genuine, non-judgmental, trustworthy, and reliable. She goes above and beyond to provide excellent care for the well-being of her patients. She treats various types of mental health concerns, including anxiety, depression, and ADHD/ADD.
“The only man who never makes a mistake is the man who never does anything” —Roosevelt
Vivian Obijekwu, CRNP-PMH
Vivian Obijekwu is a Board Certified Psychiatric Mental Health Nurse Practitioner, with prescriptive authority in the state of Maryland. She acquired professional medical experiences from working as a registered nurse in general medicine and telemetry at the Johns Hopkins Hospital, and subsequently served as a clinical instructor for nursing students at Howard Community College. Vivian has also worked on both inpatient and outpatient mental health and substance abuse/detoxification clinics such as Hope House Treatment Centers and Kolmac Outpatient Recovery Centers.
Over time, Vivian has developed a keen interest in working with adults who have been diagnosed with substance use disorders and psychiatric illnesses such as anxiety, depression, bipolar, ADHD and other mood related disorders. She is also certified and experienced in treating drug addiction with the use of medication-assisted treatments (MAT).
Vivian’s commitment is to meet her patients where they are and supporting them in getting to where they truly want to be. She provides a warm, safe, supportive and judgement-free environment where her patients feel comfortable and confident to share their stories and identify goals for growth. Her approach is customized to each patient with the belief that treatment modalities should be individualized, and that one size certainly does not fit all. Vivian prides herself on being a compassionate, understanding, respectful and personable professional. Her goal is to assist in managing her patients’ mental health so that they can live their best lives.
“It always seems impossible until it’s done” — Nelson Mandela
Maureen Nadeau, MSN, CRNP, PMHNP-BC
Maureen is a Board-Certified Psychiatric Nurse Practitioner in Maryland. Originally from Boston, Massachusetts , she received her Bachelor’s Degree from the University of Massachusetts and her Master’s Degree in Psychiatric Nursing from Boston College. She trained with Dr. Jon Kabat-Zinn at the Mindfulness Meditation/Stress Reduction Program at UMass. During her time in Tucson, AZ, she earned her Certified Nurse Practitioner from the University of Arizona. She has provided mental health services in various outpatient psychiatric settings and medical settings. She has interest and experience in treating ADHD, depression, anxiety disorders, insomnia, PTSD, and mental health needs that arise from experiencing medical illness.
Whether you have longstanding mental health issues that need continued treatment or find yourself seeking help for the very first time, Maureen believes that getting to understand her patients’ “story” is important for successful treatment. She understands that disruptions in physical health, relationships, financial and work stability can all impact mental health. The pandemic has only heightened issues of isolation, depression, and anxiety for many. Maureen works hard to develop collaborative and safe relationships where issues and symptoms can be discussed freely, and her patients’ preferences regarding treatment are an important part of the conversation.
“Wellness is not the just the absence of illness; it is the presence of vitality” — Kristin Carr
June Ottley, CRNP
June Ottley is certified as an Adult, Geriatric and Psychiatric Mental Health Nurse Practitioner. She has over 5 years’ experience working in the mental health field. Her mental health work experience includes providing care in the following clinical settings: assisted living, skilled nursing homes, outpatient psychiatry, and inpatient psychiatry. She received her Bachelor of Science in Nursing and Master of Science in Nursing with a concentration in Adult and Gerontological Nurse Practitioner from the University of Maryland. She later returned to advance her education and clinical expertise by obtaining a Post Master’s degree from the University of Cincinnati.
Her nursing career has allowed her to provide patient directed care in many realms, including orthopedics, trauma, critical care, labor and delivery, and nephrology. Throughout her career she has worked as an RN, Advance Practice Registered Nurse and in many leadership roles. Currently, this clinician is accepting patients 18 and older.
Nicole Roder, LMSW
Nicole Roder (she/her) is a lifelong Marylander. She grew up in Greenbelt and is still proud to call Maryland her home. Nicole earned her BA in Psychology from the University of Maryland Baltimore County and her MSW (Master of Social Work) from the University of Maryland, Baltimore. She is a Licensed Master Social Worker in the state of Maryland.
Nicole started her career working with children and families in treatment foster care, residential treatment centers (RTCs) and group homes. Since then, she has worked with children, adolescents, and adults in both inpatient and outpatient settings. She is a trained DBT therapist with a passion for helping patients and their families learn and use DBT skills to achieve their life goals. Her particular areas of focus are borderline personality disorder (BPD), disruptive mood dysregulation disorder (DMDD), bipolar and other mood disorders, anxiety disorders, addictions, attention deficit disorders, and trauma.
Jarieu Barrie, Office Manager
Main Phone: 443-708-5856
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