Alexandra Baluna, MD

Dr. Nelson is a board-certified psychiatrist who attended the University of Iowa Medical School and completed her psychiatry residency and child and adolescent psychiatry fellowship at Walter Reed National Military Medical Center.  She has extensive experience treating active-duty service members, family members of active duty and the veteran population.  She feels comfortable working with a wide range of age groups and enjoys treating challenges with anxiety, mood, sleep, and concentration.

Dr. Nelson believes that the key to success in mental health care is being able to establish a trusting and open relationship between psychiatrist and patient.

While initial sessions include the need to gather background information about the patient overall as well as the symptoms of concern, subsequent sessions are focused on learning the impact of the treatment.

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Cherie McCarthy is a Licensed Marriage and Family Therapist (LMFT) with experience working across a wide range of populations. Early in her career, she served as an addictions specialist in high schools, prisons, and intensive outpatient and residential settings. Cherie earned her master’s degree in counseling psychology from National University and completed her intern hours working with adolescents in foster care and adults with severe mental illness in community-based programs. Over the past four years, she has focused on mental and behavioral health in a telehealth setting, treating lower-acuity concerns such as anxiety, depression, panic, and adjustment disorders, along with trauma work using EMDR.

Cherie believes it is both a privilege and a responsibility to create a safe, supportive space where patients can clarify goals and develop aspirations. Her work emphasizes identifying barriers to success and examining unhelpful core beliefs, allowing patients to move toward meaningful and sustainable change.

Cherie spends the first one to two sessions gaining a clear understanding of where patients are coming from and where they would like to go. From there, she collaborates with patients to develop individualized goals, revisiting and refining them over time to support clarity, growth, and progress throughout therapy.

Background and credentials

Dr. Gerald Matthews is a board-certified adult psychiatrist. He earned his medical degree from the University of Louisville School of Medicine in Louisville, KY. Following medical school, he entered active duty service in the U.S. Army, where he completed his psychiatry residency at Tripler Army Medical Center in Honolulu, HI. After completing his training, he practiced as a staff psychiatrist at Fort Hood, TX, fulfilling his service obligation.

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Treatment approach

Dr. Matthews specializes in medication management, working primarily with adult patients in an outpatient setting. While his primary focus is pharmacological treatment, he frequently collaborates with therapists to provide comprehensive care when indicated. He has extensive experience treating civilians, active-duty military personnel, and veterans, addressing conditions such as mood and anxiety disorders, psychosis, and trauma-related disorders.

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What you can expect in a first visit

During the first visit, patients can expect a thorough psychiatric evaluation where Dr. Matthews takes time to understand their history, symptoms, and treatment goals. He provides a structured yet compassionate approach to care, discussing medication options and potential therapeutic interventions. For patients who may benefit from additional therapy, he collaborates with therapists to ensure a well-rounded treatment plan tailored to each individual's needs.

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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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Dr. Emily Mukherji earned her undergraduate degree in Brain and Cognitive Sciences from Massachusetts Institute of Technology and her MD from Tufts University School of Medicine. She completed psychiatry residency at Massachusetts General Hospital/McLean Hospital, serving as Chief Resident in Psychotherapy during her final year. With 12 years of outpatient experience, she has worked with diverse patients and symptoms, led an academic outpatient clinic, and supported its transition to telehealth during COVID-19. She enjoys time with family and friends, reading, travel, and movies.

Dr. Mukherji fosters a warm, supportive environment where patients feel heard and respected. She believes each person has a unique story and that treatment should be collaborative, thoughtful, and tailored to individual needs, goals, and values.

She begins with a thorough evaluation, exploring history, interests, relationships, and goals to understand symptoms in context. She integrates medication management with psychodynamic therapy, CBT, motivational interviewing, and supportive therapy as needed. Care typically includes monthly visits until stable, then every 2–4 months to support continuity and long-term well-being.

Margaret Mary Reyes, MSN, APRN, PMHNP-BC, is a board-certified Psychiatric Mental Health Nurse Practitioner committed to delivering patient-centered and compassionate mental health care. A proud Florida native, she earned her Bachelor of Science in Nursing (BSN), Master of Science in Nursing (MSN), and post-master’s certification in Psychiatric Mental Health Nursing from Florida Atlantic University (FAU). Her academic research focused on improving outcomes for women living with Premenstrual Dysphoric Disorder (PMDD).

Margaret has advanced practice experience in both inpatient and outpatient psychiatric settings. She has treated individuals with a wide range of mental health conditions, including psychotic disorders, bipolar spectrum disorders, depressive and anxiety disorders, trauma-related disorders, attention deficit disorders, personality disorders, substance use and co-occurring disorders, eating disorders, suicidality, homelessness, and severe mental illness (SMI) within the criminal justice system. Her clinical background also includes acute care experience in oncology, medical-surgical, telemetry/cardiac step-down, intensive care, nursing research, and consultation-liaison psychiatry.

She takes an integrative and comprehensive approach to mental health care, combining medication management with evidence-based complementary and alternative interventions. Her practice is grounded in the understanding of the mind-body-spirit connection and the gut-brain axis. Margaret incorporates supportive therapy, motivational interviewing, and mindfulness-based cognitive techniques to support her patients’ overall well-being.

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Dr. Lundgren is a board-eligible adult psychiatrist who completed his residency at the University of Rochester. During his final year, he served as Chief Resident in both inpatient and emergency psychiatry, demonstrating leadership and clinical excellence in high-acuity settings.

Before beginning his medical journey, Dr. Lundgren earned a degree in philosophy from the University of Georgia. He went on to serve as a police officer and investigator near Atlanta, Georgia, for six years. These formative experiences gave him unique insight into the complex relationship between mental health and personal well-being, safety, and fulfillment. Motivated by this perspective, he pursued a degree in neuroscience at Columbia University, graduating with honors, before attending medical school.

Dr. Lundgren brings experience across outpatient, inpatient, and emergency psychiatric care. He emphasizes a strong therapeutic alliance, supportive psychotherapy, and evidence-based treatment. He is committed to understanding people within the context of their experiences and circumstances, recognizing how these factors may contribute to their mental health concerns and strengths.

Dr. Lundgren provides comprehensive psychiatric medication management and cares for individuals experiencing depression, anxiety, trauma-related disorders, and other mental health conditions. When beneficial, he may also recommend collaborating with a therapist to support a more holistic and effective treatment plan.

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