Kristofer Joondeph-Breidbart, MD

Dr. Viga Naik takes a holistic approach when practicing, understanding the importance of an integrative treatment care model. She believes optimal patient care goes beyond psychopharmacology and requires incorporation of psychotherapy and psychosocial intervention. She is a strong advocate for her patients, dedicated to being an educator of mental illness to break self, societal, and systemic stigmas. She believes that a strong therapeutic alliance between clinician and patient is essential. She works on creating a safe and empathetic environment while providing psychoeducation to patients, empowering them to play an active role in their treatment. Dr. Naik is an adult psychiatrist with specializations in Addiction Psychiatry and Consultation-Liaison Psychiatry, also known as psychosomatic medicine. She completed her residency training at New York Medical College and fellowship training at the Mount Sinai Health Systems located at Bronx Care and Beth Israel Hospital. She has worked in both inpatient and many outpatient specialty clinics such as psych/oncology, transplant, collaborative-care, medication assistance treatment, music and medicine, and gender affirmation surgery treating patients with comorbid mental illness and substance use disorders as well as comorbid mental illness and general medical conditions. Her practice focuses on medication management in combination with supportive therapy and providing psychoeducation to patients. She treats depression, anxiety, bipolar disorder, obsessive compulsive disorder, post-traumatic stress disorder, general anxiety disorder, substance use disorders and other associated psychiatric disorders.

Edmund Clark, MD, serves as Chief Psychiatrist at Talkiatry with over 17 years of board-certified experience, including more than 5 years delivering tele-psychiatric care to underserved areas. His career spans 23 years in public service, including leadership roles as Chief of the VA Mental Health Clinics in Jacksonville, FL, and program manager for the University of Florida’s Psychiatry Residency Training Program. A former U.S. Navy psychiatrist, he deployed multiple times, including to Iraq in support of an Army Combat Stress Control clinic, gaining expertise in evidence-based PTSD treatments. Dr. Clark earned his medical degree from the University of Florida and completed his psychiatry residency at the National Naval Medical Center and Walter Reed, serving as chief resident for over 50 military trainees. Before medicine, he served in the U.S. Peace Corps in Kenya.

Dr. Clark values a collaborative approach built on honesty, rapport, and ensuring patients feel heard. He helps patients identify and address multiple factors influencing their mental health, aiming for positive, lasting changes that improve function across life domains. He encourages evidence-based therapies and, when needed, involves other providers to support comprehensive care.

Dr. Clark uses measurement-based tools to assess medication efficacy and guide treatment decisions. He integrates supportive psychotherapy to strengthen coping skills and reduce negative thinking, while incorporating motivational interviewing techniques to promote recovery and self-improvement.

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. Wharton-Mohammed is double board certified in General Psychiatry as well as Child and Adolescent Psychiatry. She has worked in various settings with culturally diverse populations. Her primary focus has been caring for children in the outpatient programs. Dr. Wharton-Mohammed has spent over ten years as an administrative leader. She has chaired and co-chaired committees overseeing the practice of fellow Psychiatrists and served as the Discipline Chief. She has been teaching/ supervising Nurse Practitioner students and Physician assistant students.

Dr. Wharton-Mohammed is experienced with a wide variety of psychiatric diagnoses and therapeutic modalities. She is a dedicated clinician who looks out for her patients. She views each patient and their caregivers circumstance as unique. She takes a holistic approach with a collaborative approach to help patients understand their options. While the focus may be on psycho education and medication management with supportive and psychodynamic therapeutic interventions there may be a need for additional therapy.  She may ask that a therapist be added to your treatment team. She works towards establishing a meaningful trusting relationship and looks forward to working with you to help you achieve your goals.

Dr. Alexander Van-Den-Ende is a board-certified adult psychiatrist who recently completed his psychiatry residency training at Authority Health in Detroit, Michigan. Beyond his proficiency in medication management, Dr. Van-Den-Ende has training in talk therapy and novel treatments like Transcranial Magnetic Stimulation. He is pleased with the increase in access to mental healthcare that comes through telemedicine, and is committed to providing high quality care to his patients. Dr. Van-Den-Ende's approach emphasizes patient insight and mindfulness, guiding individuals on a journey towards self-awareness and mental well-being.

Dr. Mark Varela is a board-certified psychiatrist joining Talkiatry directly out of residency. He focuses primarily on medication management, often accompanied by brief cognitive, motivational, or supportive therapy. He may request that you also meet with a therapist regularly for your benefit. Dr. Varela received his medical degree and general psychiatric residency training both from Texas Tech University Health Sciences Center in West Texas. He treats young adults and adults with a wide variety of mental health concerns, including ADHD, mood disorders, anxiety, OCD, and PTSD.