Cedric Skillon, MD

Dr. Earl De Guzman is a psychiatrist who values therapeutic partnership, working with patients to balance symptom relief with meaningful self-exploration. He earned his BS in Psychology from the University of California, Davis, and his MD from Ross University School of Medicine. He completed his psychiatry residency at Los Angeles County + University of Southern California Medical Center and a consultation-liaison psychiatry fellowship at Stanford University Medical Center. He is triple-board-certified in psychiatry, consultation-liaison psychiatry, and addiction medicine, and holds psychoanalytic psychotherapy training certification from the Psychoanalytic Center of California. Currently, he is a psychoanalyst-in-training at the New Center for Psychoanalysis. His expertise spans medication management, supportive therapy, and psychodynamic therapy.

Dr. De Guzman takes a collaborative, patient-centered approach, creating a warm and nonjudgmental environment. He listens deeply, asks thoughtful questions, and encourages honest exploration of symptoms and underlying patterns. He values authenticity, curiosity, and respect for each patient’s unique experiences. While symptom relief is important, his goal is to foster self-understanding and long-term growth. He works best with patients open to collaboration and motivated for change, whether through medication management, therapy, or both.

Dr. De Guzman begins with a consultation phase to ensure a good fit, listening carefully to understand each patient’s challenges and goals. Together, he and his patients build a working alliance by clarifying difficulties, identifying realistic changes, and exploring deeper patterns. When appropriate, he prescribes medication thoughtfully, aiming to support therapy rather than replace it. Each session integrates supportive and psychodynamic elements, combining medication review with therapeutic dialogue. Treatment plans are regularly revisited, allowing flexibility and growth, with the ultimate aim of empowering patients toward lasting change.

Dr. Carder has been practicing for over 20 years in general adult psychiatry. She is board certified by the American Board of Psychiatry and Neurology and has a certification in Elder Law. She has advanced training in psychopharmacology, which she earned with distinction. Dr. Carder's practice focuses on medication management. Typically, she offers this in conjunction with supportive therapy in 30-minute follow-up visits. However, occasionally Dr. Carder may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. She received her medical degree from the University of Toledo, College of Medicine and Life Sciences, where she was given the outstanding medical student award by the Department of Head and Neck Surgery. She completed her internship with the Department of Family Medicine and completed her residency with the Department of Psychiatry both at the University of Toledo, College of Medicine and Life Sciences. Throughout her career, she has been the Medical Director of two Community Mental Health Centers and is also the Corporate Medical Director for a company providing neuropsychiatric and general psychiatric care to patients residing in nursing facilities. She received her certification in Elder Law through the Mitchell Hamline School of Law. She has also been a preceptor for numerous universities and has trained advanced practice providers in psychiatry. In addition to general adult and geriatric psychiatry, Dr. Carder's areas of interest include complex psychiatric and medical conditions, neuropsychiatric issues, and treatment-resistant cases. She enjoys using her medical expertise to solve difficult cases. She has an interest in exploring combined traditional psychiatric practice with complementary and holistic approaches to treatment and believes in keeping her patients healthy rather than only addressing illness.

Donna is a Board-Certified Psychiatric Nurse Practitioner dedicated to breaking down mental health stigma and expanding access to compassionate, quality care. With over 20 years of nurse practitioner experience, she has supported patients and families through life’s emotional and physical challenges across outpatient, inpatient, and telepsychiatry settings. Donna is passionate about creating a safe, empowering space where individuals feel seen, heard, and valued on their mental health journey.

Donna helps patients become the best, healthiest version of themselves, both mentally and emotionally. She values open communication, mutual respect, and collaborative decision-making. Her treatment plans include medication management, healthy coping strategies, and tools to build self-awareness and resilience. Known for her warmth and empathy, Donna creates a judgment-free environment where every voice matters.

Donna begins by building trust through a compassionate, in-depth initial interview. Together with each patient, she develops a personalized treatment plan that blends medication management with lifestyle recommendations tailored to individual goals and values. Her holistic approach focuses not just on symptom relief, but on fostering lasting growth, confidence, and overall well-being.

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Background and credentials

Dr. Sonal Harneja is a board-certified adult psychiatrist specializing in medication management and psychotherapy for anxiety and depressive disorders. She earned her undergraduate degree from Stony Brook University and her medical degree from the University at Buffalo School of Medicine and Biomedical Sciences (now called the Jacobs School of Medicine and Biomedical Sciences). She completed her adult psychiatry residency at Montefiore Medical Center/Albert Einstein College of Medicine. Dr. Harneja has held academic appointments at New York Presbyterian/Weill Cornell Medical College and Montefiore Medical Center/Albert Einstein College of Medicine, providing collaborative and client-centered psychiatric care.

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Treatment approach

Dr. Harneja specializes in medication management and supportive psychotherapy, with a strong emphasis on promoting well-being, resilience, and mindfulness. She works closely with patients to develop individualized treatment plans, ensuring that care is collaborative and patient-centered. Follow-up visits typically last 30 minutes, during which she evaluates treatment progress and adjusts care as needed. If additional therapy is beneficial, she may recommend working with a therapist as part of a comprehensive treatment approach.

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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. Harneja takes time to understand their symptoms, medical history, and treatment goals. She prioritizes open communication and trust, working collaboratively to create a personalized care plan that aligns with the patient’s mental health needs. Whether through medication management, therapy, or mindfulness techniques, she aims to foster long-term well-being and emotional resilience.

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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. Swetha Mummini earned her medical degree from SUNY Downstate Medical Center and completed her psychiatry residency at the University of Maryland/Sheppard Pratt. She has worked across various clinical settings, including inpatient units, residential treatment centers, and substance use disorder clinics. Her clinical interests include mood disorders, OCD, women’s mental health, and eating disorders.

Dr. Mummini takes a holistic approach to mental health, recognizing that there is no one-size-fits-all solution. She thoughtfully integrates medication when appropriate, alongside lifestyle changes, sleep, and stress management. She prioritizes strong therapeutic relationships and uses 30-minute follow-up visits that often include elements of psychotherapy.

In the first appointment, Dr. Mummini gathers a thorough psychiatric history, explores current symptoms, and learns about the patient’s goals. She works collaboratively to develop personalized, evidence-based treatment plans, blending integrative psychiatry with ongoing support for long-term well-being.

Christopher Zeoli, DNP, PMHNP, is a nationally board-certified Psychiatric Nurse Practitioner with over 20 years of certification and more than 30 years of experience in the psychiatric and mental health field. He earned his Doctor of Nursing Practice degree from Stony Brook University and has worked with patients across the lifespan in clinics, outpatient programs, hospitals, and private practices.

Christopher’s approach combines thoughtful medication management with supportive therapy. He is not only focused on addressing immediate concerns but also on guiding patients toward long-term well-being. Patients can expect a collaborative, compassionate, and goal-oriented partnership in their care.

Christopher values patient feedback as an essential part of treatment. He conducts careful evaluations, listens to each individual’s concerns, and tailors care to align with personal goals. By working together, he helps patients develop treatment plans that support both current needs and future growth.