Maria Orejarena, MD, PhD

Dr. Megan Tusken is a board-certified adult psychiatrist. She received her undergraduate degree from Brown University and her medical doctorate at the University of Chicago Pritzker School of Medicine. Prior to joining Talkiatry, Dr. Tusken completed residency training in general psychiatry at the University of Texas Southwestern Medical Center. Dr. Tusken provides evidence-based, patient-centered care and considers a trusting doctor-patient relationship integral to helping her patients achieve their treatment goals. During training, Dr. Tusken gained extensive experience in inpatient, consult, emergency room, and outpatient practice settings with culturally and socioeconomically diverse patient populations. She also elected to acquire additional experience with specific patient populations, including patients with treatment-resistant depression, substance use disorders, and sleep disorders, as well as LGBTQ+ individuals and older adults. Tusken's treatment approach is collaborative and holistic. She provides medication management for a variety of mental health conditions, with particular interest in mood and anxiety disorders. In addition to psychopharmacologic interventions, she firmly believes in the mind-body connection, and she incorporates psychotherapeutic techniques into her visits to provide the best, individualized care for each patient.

Melissa Sims, MSN, APRN, PMHNP-BC, is a board-certified psychiatric mental health nurse practitioner who is passionate about delivering high-quality, compassionate, and comprehensive mental health care. She earned her Master of Science in Nursing from the University of Alabama at Birmingham in 2022 and has since worked in both community mental health and correctional settings.

Melissa takes a collaborative approach to care, working closely with other mental health professionals, medical providers, families, and relevant support systems to ensure well-rounded treatment. She emphasizes a patient-centered, individualized approach, combining medication management with psychotherapy to meet each person’s unique needs.

Patients working with Melissa can expect a thorough evaluation, accurate diagnosis, and a personalized treatment plan tailored to their mental health goals. One of her core priorities is to empower individuals to make informed decisions about their care by providing education grounded in research, evidence-based practices, and clinical experience.

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Dr. Cecilia Fitz-Gerald is a board-certified psychiatrist trained in adult psychiatry and consultation-liaison psychiatry, formerly known as psychosomatic medicine. She has been practicing for over five years and has extensive experience working in a variety of clinical settings, including inpatient, outpatient, and emergency psychiatry. In addition, she specializes in working with patients with acute and chronic medical conditions that may be affecting their mental health, such as cancer, stroke, or a heart condition. She provides patient-centered care utilizing a collaborative approach to help her patients reach their goals. She is a native of Louisiana and a graduate of the LSU School of Medicine in Shreveport. She was elected to the prestigious medical honor society, Alpha Omega Alpha, during her fourth year of medical school and was awarded the John W. Bick Excellence in Psychiatry award. She completed her psychiatry residency training at the University of Texas Southwestern Medical Center where she served as Chief Resident and was a PRITE Fellow. Afterwards, she completed a fellowship in consultation-liaison psychiatry at Yale-New Haven Hospital. Dr. Fitz-Gerald has multiple scholarly publications, particularly in the fields of emergency psychiatry and hospital delirium and has presented at the annual conference for the Academy of Consultation-Liaison Psychiatry. She is passionate about academic medicine and enjoys teaching medical students and residents. Her other areas of clinical interest include ICU delirium and cardiac psychiatry.

Dr. Melody Santos is dual-trained in Internal Medicine and Psychiatry, with experience in both outpatient and inpatient settings. She served as Chief Resident and Deputy Chief Resident in East Carolina University’s combined residency program, where she led academic and clinical initiatives. Dr. Santos has published research on topics including adult ADHD and metabolic psychiatry, with presentations at national conferences. She earned her MD from the American University of the Caribbean and a BS in Biology with a minor in Jazz Piano from the University of Tampa. A native Spanish speaker, she is active in community service and church-based outreach.

Dr. Santos values open and clear communication, creating a safe, non-judgmental space where patients feel heard and respected. She blends traditional and innovative approaches, including metabolic psychiatry and dietary strategies, to support wellness. Her care is culturally sensitive and patient-centered, always tailored to each individual’s needs and values. Through empathy and education, she empowers patients and fosters resilience.

Dr. Santos begins with a thorough assessment of each patient’s medical, psychiatric, and lifestyle history. She collaborates with patients to build personalized, evidence-based treatment plans that reflect their goals and preferences. Her holistic care model considers social, cultural, and environmental influences, and she ensures consistent follow-up to adjust care as needed, promoting informed, long-term wellness.

Dr. Michael Lukowski is an adult psychiatrist who holds board certification with the American Board of Psychiatry and Neurology. He has been practicing medicine for over 4 years. Dr. Lukowski focuses on medication management combined with supportive therapy in 30-minute follow-up visits. He practices whole-person medicine, caring for the wellness of your mind, body, and spirit and helping you enjoy your relationships with those around you. Dr. Lukowski received his medical degree from the University of Nevada School of Medicine in Reno, NV, before moving to southern California to complete his residency at Loma Linda University. After completing training, Dr. Lukowski began working with the Southern California Permanente Medical Group in Riverside, CA, where he treated a variety of psychiatric disorders in an outpatient setting. In March of 2020, as the pandemic changed life and medicine forever, Dr. Lukowski adopted a strictly telepsychiatry role at his clinic. He has also held a staff psychiatrist position as an adult inpatient psychiatrist in Tennessee. Dr. Lukowski treats a wide variety of psychiatric disorders within the adult demographic.

Background and credentials

Dr. Munoz is a board-eligible adult psychiatrist. He earned his medical degree from Rutgers, New Jersey Medical School and completed his psychiatric residency at Mount Sinai Beth Israel. Throughout his training, he gained experience in a variety of clinical settings, including outpatient and inpatient care, as well as psychiatric emergency services.

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Treatment approach

Dr. Munoz provides compassionate psychiatric care through a combination of pharmacotherapy and supportive therapy. He specializes in treating depression, anxiety, bipolar disorder, and psychotic disorders. He has extensive experience working with LGBTQ+ and Spanish-speaking communities. His treatment philosophy is holistic, viewing patients as whole individuals and addressing their specific needs at different stages of life. He also emphasizes the importance of exercise, relationships, and overall well-being in his approach to mental health care.

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What you can expect in a first visit

During the first visit, patients can expect a comprehensive and patient-centered evaluation. Dr. Munoz takes the time to understand each patient’s symptoms, background, and personal goals. He collaborates with patients to develop an individualized treatment plan that may include medication management, supportive therapy, and lifestyle modifications to support their overall well-being.

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Why Talkiatry?

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

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