Carmen Orellana Martinez, MD

Dr. Merna Guirguis is a general psychiatrist known for her patient-centered and accessible approach. She blends compassion with evidence-based care, creating a supportive environment where patients feel heard. Her practice integrates psychiatric medication management with psychoeducation, empowering patients to make informed decisions about their treatment.

Dr. Guirguis emphasizes collaboration and transparency. She listens carefully to each patient’s concerns, encourages questions, and works to build a trusting therapeutic relationship. Her style is approachable and adaptable, ensuring patients feel comfortable sharing their experiences and actively participating in their care.

She begins by reviewing each patient’s history, concerns, and goals to craft personalized treatment plans. Dr. Guirguis combines current clinical needs with long-term wellness objectives, adjusting care collaboratively over time. When appropriate, she may recommend additional therapy to complement medication management and optimize outcomes.

Dr. John Lundeen earned his medical degree from the Medical College of Georgia and completed his psychiatry residency at TriStar Centennial Medical Center. He has worked with adults of all ages in both outpatient and inpatient settings, bringing a wide range of experience to his practice.

Dr. Lundeen approaches every patient with respect, empathy, and a genuine desire to understand their unique experience. He recognizes that seeking treatment can be intimidating and strives to create a welcoming, non-judgmental environment where patients feel safe and heard.

Dr. Lundeen believes in a collaborative treatment process, prioritizing each patient’s goals, values, and input. He emphasizes mental health education as a core component of care, empowering patients to better understand their treatment options and take an active role in their well-being.

Tamara Lazenby, MD is a board-certified psychiatrist with more than 20 years of clinical and academic experience in emergency mental health, disaster response, and trauma-focused care. She earned her undergraduate degree at George Mason University and completed her medical degree at Eastern Virginia Medical School. After the September 11th attacks, Dr. Lazenby trained in psychiatry at New York Medical College’s Saint Vincent’s Hospital, specializing in emergency and trauma psychiatry.

She previously served as Associate Director of Wellness & Emergency Response Services at New York University’s Student Health Center, leading a team that cared for more than 50,000 global NYU students. Dr. Lazenby also previously served as Staff Psychiatrist and Team Lead for the Combat PTSD Clinical Team at the Hampton VA Medical Center, providing care for veterans with service-related trauma and implementing National VA Standards of Care.

Dr. Lazenby believes healing happens when mind, body, and spirit are aligned. She creates a compassionate and collaborative environment where patients feel deeply heard and empowered in their own care. Her approach blends conventional psychiatric treatment with nutrition, mindfulness, movement, and stress-reduction strategies to support long-term mental wellness.  She values authenticity, open communication, and shared decision-making, empowering patients to build resilience and restore balance in their lives.

She begins with a comprehensive assessment exploring medical, psychological, and lifestyle factors that influence mental health. Treatment plans are personalized and may include psychotherapy, targeted laboratory testing, lifestyle modifications, supplements, and medication when appropriate. Dr. Lazenby works closely with patients to restore balance, resilience, and overall well-being through a truly integrative approach. Regular collaboration and feedback, helping patients heal, grow, and thrive.

Asmita Neupane is a board-certified Post Mental Health Nurse Practitioner (PMHNP). She received her bachelor’s in nursing degree from Metropolitan state university, master’s in nursing degree from Texas Women’s University which specializes in Adult Geriatric Nurse Practitioner and completed her post-master’s degree as PMHNP from Wilkes University. Asmita Neupane has 20 plus years of experience as a Registered Nurse and almost 10 years of experience as Nurse Practitioner. Asmita Neupane is licensed to practice in Maryland and District of Columbia.

Asmita Neupane has professional interests in treating a wide range of psychiatry conditions including depression, anxiety, OCD, ADHD, PTSD, bipolar disorder, schizophrenia and eating disorders. She provides psychiatric assessments and medication management along with brief supportive psychotherapy. She focuses on holistic approaches to treatment and believes in keeping her patients healthy rather than only addressing illness. Asmita Neupane is fluent in Nepali, Hindi and English.

Dr. Alicia Garcete is a board-certified child, adolescent, and adult psychiatrist in practice for over 12 years. Her practice focuses on medication management, recognizing  family involvement is extremely important and is an integral part of treatment. Dr Garcete has treated a wide variety of patients. Her primary focus is treating depression, anxiety disorders, ADHD, PTSD and OCD. Additionally, she can provide supportive therapy and elements of cognitive-behavioral therapy but on occasions more therapy support may be needed, and the recommendation to bring a psychotherapist on the care team may occur to provide an optimal outcome. Dr. Garcete is bilingual and provides care in both Spanish and English.

Prior to Talkiatry, Dr Garcete treated children, adolescents, and adults was at the intensive outpatient and partial hospitalization levels of care with focus on behavioral approaches in the Depression recovery and Anxiety/OCD programs.

Dr. Garcete earned her Medical Degree from the Universidad Nacional de Asuncion, Facultad de Ciencias Medicas in Paraguay. She completed her general psychiatrist residency at Maimonides Medical Center in New York. She was also a Fellow in Psychoanalysis at the Psychoanalytic Institute, Affiliate to New York University School of Medicine, and completed her child and adolescent psychiatrist fellowship at Elmhurst Hospital Center, affiliate to Mount Sinai Hospital. Dr. Garcete also held a clinical assistant professor appointment from the department of psychiatry at SUNY Downstate Medical Center.

Dr. Buonopane is Board Certified in Adult Psychiatry by the American Board of Psychiatry and Neurology. She obtained her medical degree with Laude from the University of Rome, La Sapienza, and completed her residency in Psychiatry from Yale School of Medicine. Dr. Buonopane has extensive experience in psychopharmacology and offers state-of-the-art medication management with compassion and empathy. She practices a holistic approach, combining psychiatric medications with elements of psychotherapy and mindfulness. She offers individualized and comprehensive treatment plans which address the whole person, including lifestyle and social engagement, because the latest research findings show that both play an important role in mental and physical health. Education on mental illness and recommendations on diet and exercise are always discussed with the patients, according to the individuals' needs. Dr. Buonopane spends time listening to patients and makes plans based on clinical evidence without an authoritative approach, taking into consideration the patient's level of comfort and views because, in her experience, the best outcomes are always reached when patients fully understand and agree with the management of their conditions. Dr. Buonopane has been in practice for more than twenty years and has extensive experience in general Adult Psychiatry with a focus on mood disorder and anxiety. She has been leading clinical programs and teaching medical students, residents, and fellows in psychiatry and addiction in various clinical settings, such as private institutions and universities, including Yale School of Medicine. Prior to joining Talkiatry, Dr Buonopane had her own in-person clinical services for over ten years and telehealth services over the past four years, treating patients suffering mainly from depression, bipolar disorder, and anxiety. When working in private practice, Dr Buonopane received the Compassionate Doctor Recognition (Vitals) and the Patient's Choice Awards (Vitals), both based on patients' reviews.