

My name is Summyji Groom and I am a Board Certified Psychiatric Mental Health Nurse Practitioner with over 17 years of experience in healthcare. My areas of expertise include depression and anxiety. I like to take a holistic approach utilizing diet, exercise, psychotherapy, and psychopharmacology. In my spare time, I enjoy spending time with family and traveling.
*Please note I am only able to treat patients located in NY state.
As a Board Certified PMHNP, I use medication management to treat mental health disorders in a supportive and compassionate environment. I work with individuals to identify safe and appropriate strategies that align with their preferences and goals of treatment. After working with many different populations, I have adopted a comprehensive, patient focused, and evidence-based treatment approach rooted in interdisciplinary care.
Katherine is board-certified Psychiatric Nurse Practitioner at CK NP Psychiatry where she provides care for adults with mental health concerns. She completed her Masters from the University of Pennsylvania and has experience in both inpatient and outpatient settings. Her specialties include depression, anxiety, college and young adult mental health, and women's mental health concerns across the reproductive cycle.
Diana Lankenau has a Master of Science in Nursing from Florida State University and Chamberlain University. She has a Bachelor's in nursing from University of Miami. BA in Psychology from Florida International University. She is Board Certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) and Family Nurse Practitioner (FNP-BC).
Iman Hines is a board certified nurse practitioner specializing in psychiatry. She has over 11 years of experience in the field. She completed her Bachelor of Science degree at Tuskegee University. She completed her Master of Science at Hunter College of New York. Ms. Hines is an avid educator- serving as a preceptor for nurse practitioner and medical students.
I am a compassionate and dedicated Psychiatric Nurse Practitioner committed to providing high-quality mental health care to individuals. I strive to help patients achieve emotional wellness, stability, and improved quality of life.
My approach to care is patient-centered, evidence-based, and collaborative. I believe in building trusting relationships with patients, families, and caregivers while creating individualized treatment plans that address both mental and physical health needs. I am experienced in managing conditions such as anxiety, depression, bipolar disorder, ADHD, PTSD, schizophrenia, mood disorders, behavioral disorders, and other complex psychiatric conditions.
I also bring valuable experience working with children and adolescents facing emotional, behavioral, developmental, and academic challenges. I am skilled in evaluating and treating conditions such as ADHD, anxiety disorders, depression, oppositional behaviors, trauma-related disorders, autism spectrum-related concerns, and mood dysregulation. I work closely with parents, guardians, schools, therapists, and pediatric providers to create comprehensive treatment plans that support emotional growth, school success, and family functioning.
In addition, I have extensive experience working with geriatric populations and individuals living with dementia, Alzheimer’s disease, and other neurocognitive disorders. I am skilled in assessing cognitive decline and managing behavioral and psychological symptoms of dementia such as agitation, aggression, anxiety, depression, sleep disturbance, and psychosis, while promoting dignity, safety, and quality of life. I collaborate closely with families, caregivers, nursing staff, and interdisciplinary teams to develop supportive care plans and provide education regarding disease progression, behavioral strategies, and medication options.
As a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP) with nearly 20 years of ICU nursing and oncology nurse practitioner experience, I understand the deep connection between physical and mental health.
I am a double board-certified psychiatrist in adult and child/adolescent psychiatry, providing expert care to patients ages 6 to 80 through secure virtual appointments. Licensed in Pennsylvania, New Jersey, New York, and Delaware, I bring 25 years of clinical experience to psychiatric evaluations and medication management. My work experiences include private practice, academic medicine, community psychiatry, residential treatment facilities, intensive outpatients.
I earned an MD from Albert-Ludwigs University in Freiburg, Germany, and completed psychiatry residency and child psychiatry fellowship training at Drexel University in Philadelphia, PA.
For more information visit www.eastcoastpsychiatry.com.
Experienced PMHNP since 2013 have been helping in the community in Addiction and Mental Health. I promote support of our strengths in ourselves. I am not prescribing controlled medication at this time.











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