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Margaret Ngumi, PMHNP

Staff Nurse Practitioner
Languages
English
SPECIALTIES
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Medication Management

Education and training

  • Valdosta State University Psyc. Mental Health Nurse Practitioner

Get to know

Margaret Ngumi, PMHNP

Margaret Ngumi, MSN, APRN, FNP-C, PMHNP-BC, is a dual board-certified Psychiatric Mental Health and Family Nurse Practitioner with over 20 years of experience in healthcare. She began her career as a Family Nurse Practitioner and later pursued a post-master’s certification in psychiatry to address the growing need for accessible mental health services. Margaret has extensive experience in both inpatient and outpatient settings, treating conditions such as depression, anxiety, PTSD, mood disorders, and substance use disorders.

She takes a collaborative, patient-centered approach to care, creating a safe and supportive environment where individuals feel heard and empowered. With a strong emphasis on holistic care, Margaret considers all aspects of a patient’s well-being—including lifestyle, relationships, and overall health. Whether through medication management, therapy, or lifestyle modifications, she is committed to helping patients achieve meaningful and lasting improvements in their mental health.

Margaret begins with a comprehensive psychiatric evaluation to understand each patient’s history, concerns, and goals. She then works closely with them to develop a personalized care plan that may include medication, therapy, and evidence-based lifestyle interventions. She prioritizes open communication, patient education, and ongoing collaboration to ensure treatment remains effective and evolves with each patient’s needs. Through her compassionate and evidence-based approach, Margaret is dedicated to helping individuals find balance and improve their overall quality of life.

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Thomas Crane, MD

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Dr. Thomas Crane is a board-certified psychiatrist who practices general adult psychiatry, with a special interest in managing depression, anxiety, OCD, and ADHD. He attended Calvin College for his Bachelor's Degree and Michigan State University College of Human Medicine for his Medical Degree. He then completed his Residency in Psychiatry at Ohio State University.‍After spending six months serving the prison population, he is back to doing what he finds most rewarding, which is one-on-one outpatient psychiatry. Dr. Crane places special emphasis on a triple-pronged approach to treating conditions, using medication, therapy, and lifestyle guidance. He enjoys building a therapeutic relationship with his patients, and he values longer-term continuity of care when appropriate. Dr. Crane recognizes that psychiatric conditions can hinder someone from enjoying their life in a way that they otherwise could, and his focus is on helping his patients obtain more happiness, while reducing frustration/pain.

Stephen Geisler, MD

Staff Psychiatrist

Dr. Stephen Geisler is a board-certified adult psychiatrist and has been practicing for over 37 years. His practice focuses on medication management, and typically offers this in conjunction with supportive therapy in 30-minute follow-up visits. If Dr. Geisler feels you would benefit from working with a therapist in conjunction with medication management, he welcomes collaboration with your therapist to make for the best outcome. Dr. Geisler is a graduate of the New York University School of Medicine. He completed a fellowship in Psychoanalytic Psychotherapy at the Zucker Hillside Hospital of Northwell Health after finishing his residency training there. He is currently an Assistant Clinical Professor at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell. Over the years Dr. Geisler has received a number of awards including NAMI Exemplary Psychiatrist Award, The APA Irma Bland Certificate of Excellence in Teaching Residents, the Zucker Hillside Hospital Department of Psychiatry Recognition Award for Education, and twice received the Outstanding Teacher of the Year Award from the graduating residents' class. Dr. Geisler is a member of the American Psychiatric Association, the Nassau Suffolk District Branch of the APA and the American Society of Clinical Psychopharmacology. Through the years, Dr. Geisler has participated in many clinical research projects, has been the co-author of many papers, and has made many presentations. Dr. Geisler specializes in psychopharmacology, especially tailoring individualized treatment to serve the needs of patients with a variety of conditions. He has a lot of experience in treating patients with depression, bipolar disorder, anxiety disorders, ADHD, and OCD.

Kristina Foreman, MD

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Dr. Kristina Foreman is a board-certified psychiatrist and child and adolescent psychiatrist who earned her medical degree from St. George’s University and completed both psychiatry residency and fellowship at the University of Vermont Medical Center. She served for four years as an attending on a high-acuity inpatient adolescent unit in Denver, leading a multidisciplinary team in the care of complex cases. She also presents nationally on Positive and Lifestyle Psychiatry and has taught these approaches to fellows and residents.

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Dr. Foreman begins by gaining a full understanding of each patient’s history, strengths, challenges, and hopes for treatment. She builds individualized plans that may include medication, lifestyle strategies, psychotherapy-informed tools, and family participation when helpful. She incorporates ACT, DBT, CBT, and positive psychology concepts to foster insight and skill development. Follow-up visits focus on refining the plan so progress feels steady, collaborative, and aligned with patient goals.

Komal Shah, MD

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Dr. Komal Shah, M.D. is double board certified in adult & geriatric psychiatry. She did her residency at Nassau University Medical Center, New York & then did fellowship in geriatric psychiatry at LIJ-Albert Einstein school, New York. She has been practicing psychiatry for over 25 years.  

Dr. Shah has extensive experience in evaluating & managing a variety of psychiatric disorders such as mood disorders, anxiety disorders, psychotic disorders, dementia, etc. She held an academic position as a clinical assistant professor at Rutgers-UBHC for several years. Dr. Shah has worked in various clinical settings including inpatient, outpatient clinics, partial hospital programs, nursing homes, thus serving vast variety of patient populations. She has also volunteered her services at NAMI (National Alliance for mental illness)-SAMHAJ to create & promote awareness of mental health issues in the community. All this makes her a very well experienced & efficient psychiatrist.  

Dr. Komal Shah believes in creating a strong therapeutic alliance first with her patients based on mutual trust & honesty. Her primary modality of treatment is medication management, but she may also provide supportive psychotherapy and education, practicing evidence-based medicine. Dr. Shah likes to collaborate patient care with their medical providers and/or therapist.

Mitchell Laski, MD

Staff Psychiatrist

Dr. Mitchell Laski earned a Bachelor of Science in Psychology from the University of Nebraska–Lincoln in 2011 and completed his medical degree at the University of Nebraska College of Medicine in 2017. He completed his residency in psychiatry at Naval Medical Center Portsmouth, Virginia, in 2021, where he was selected as Chief Resident. Dr. Laski has extensive experience in both outpatient and deployed settings, having completed two operational tours with the U.S. Navy. During these tours, he served in Embedded Mental Health Clinics and aboard deployed ships, working directly with Sailors.

Dr. Laski brings empathy, attentiveness, and a non-judgmental approach to every patient interaction. He is deeply committed to ensuring patients feel heard, respected, and understood. Patients can expect him to be thorough and dedicated, consistently advocating for their overall wellness throughout the course of treatment.

Understanding that beginning mental health care can be difficult, Dr. Laski starts with friendly, casual questions to build rapport—asking about patients’ background, interests, and current life situation. He then reviews their medical and psychiatric history before exploring current symptoms and stressors. Together, he and the patient collaborate to create a personalized treatment plan.

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Specialties
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Medication Management
States
Washington
Arizona
Oregon
Languages
English
Takes insurance
Virtual visits
years experience