Celeste Boyd, PMHNP

Dr. Kethini is a board-certified psychiatrist in General psychiatry. She completed her medical degree at St. George's University School of Medicine in Grenada. After completing her residency at Bergen New Bridge Medical Center, she transitioned to an attending psychiatrist at the same place where she completed her residency. During her initial years as an attending, she took care of her own patients and supervised third year residents in the outpatient setting. After a few years, she transitioned to an inpatient setting, where she treated both voluntary and involuntary patients. She also continued to evaluate patients in the emergency room as part of the call group for the last 8 years. ‍Dr. Kethini is passionate about and very experienced in providing a holistic approach along with evidence-based care for patients battling depression, anxiety, bipolar disorder, OCD, ADHD, and PTSD. She integrates supportive psychotherapy along with medication management and lifestyle changes such as nutrition, exercise, sleep hygiene, and stress management. She is focused on having a collaborative approach to treatment and forming a therapeutic alliance with every single patient under her care.

Dr. Brenda Y. Camacho holds the position of Staff Psychiatrist at Talkiatry. She is board-certified in Adult Psychiatry. She has been practicing for over 25 years. While having treated a wide range of adult patients, Dr. Camacho's primary focus is treating adult outpatients with mood or psychotic disorders. Her practice focuses on medication management. Typically, she offers this in conjunction with supportive or insight-oriented therapy in 30-minute follow-up visits. On occasion, Dr. Camacho will believe additional therapy is also needed and asks that you bring a therapist into your care team to provide the best outcome. Dr. Camacho completed her undergraduate studies at Tufts University. She received her medical degree from Temple University School of Medicine in Philadelphia, PA and then continued with Temple for her residency in adult psychiatry. After completing training, Dr. Camacho worked at Cooper Hospital in Camden, NJ as Associate Director of Consultation/Liaison Service and Psychiatry Residency Training and Co-Director of the Neuropsychiatry Clinic. She then began working exclusively in outpatient settings, joined NewPoint Behavioral Health Care, and served as Medical Director before and after their merge with Acenda Integrated Health.

Dr. George Han is an adult psychiatrist who earned his undergraduate degree in Materials Science and NanoEngineering from Rice University, his medical degree from the University of Texas Southwestern Medical Center, and completed his psychiatry residency training at the University of Mississippi Medical Center. Now based in New York City, Dr. Han brings a broad geographic and cultural perspective, having previously lived in China, Canada, Illinois, California, Texas, and Mississippi.  

Drawing on these diverse experiences, Dr. Han is committed to providing culturally responsive and identity-affirming care, with a particular focus on immigrant communities, LGBTQIA+ individuals, and high-performance professionals. He uses a collaborative, narrative-informed approach that centers each patient’s lived experience and values. His integrative method helps individuals recognize emotional and behavioral patterns shaped by cultural, relational, and systemic factors.  

In clinical practice, Dr. Han combines evidence-based medication management with appropriate psychotherapy techniques and elements of executive coaching. This comprehensive approach supports patients navigating high-pressure environments, helping them achieve greater clarity, resilience, and confidence across both personal and professional domains

Dr. Karla Garcia is a board-certified psychiatrist trained in Adult Psychiatry. She graduated from the University of Notre Dame with a Bachelor of Science and a Master of Education. She then went on to complete her medical education and residency training at the University of Chicago. She is board certified in Adult Psychiatry by the American Board of Psychiatry and Neurology.

Dr. Garcia believes in patient-centered care, seeking to care for the whole person.  She values the therapeutic relationship, working to guide patients in their treatment while also encouraging patients to take an active role in their care. Dr. Garcia cares about getting to know you as a person and helping you reconnect with your values. Her clinical approach is holistic, collaborative, and supportive.

Dr. Garcia focuses on evidence-based treatments for psychiatric illness that utilize a combination of medications and psychotherapy. Using a range of skills and interventions, Dr. Garcia believes in a multi-faceted approach to treatment.

Dr. Garcia has experience working in a wide variety of inpatient, emergency, partial hospitalization, intensive outpatient, and outpatient psychiatric settings and in treating a broad spectrum of psychiatric disorders including depression, anxiety, bipolar disorder, trauma, substance use disorders, personality disorders, ADHD, and OCD. She treats patients in English and Spanish.

Dr. Harmeeta Singh was born and raised in St. Louis, MO and is board certified with ABPN (American Board of Psychiatry & Neurology). Dr. Singh has been in practice for 15 years and focuses on an individualized treatment plan, not only using pharmacotherapy when needed, but also implementing insight-oriented, supportive, motivational, and brief psychotherapy. Dr. Singh is a firm believer in combining psychotherapy with medication management when warranted to manage and treat a wide variety of mental health conditions including, but not limited to - Depressive Disorders, Bipolar Disorders, Psychotic Disorders, Anxiety Disorders, Trauma related disorders, Substance use disorders, Personality disorders, Sleep Disorders and Eating Disorders. Her dynamic approach is client focused, involving the client throughout their treatment and care plan, taking careful consideration to the individual's needs and goals. ‍Upon completion of her residency through St. Louis University, St.Louis, Dr. Singh joined her parents' Internal Medicine practice. She learned firsthand that implementing mental health awareness, screening, and education into a primary medically focused practice led to more favorable outcomes. Many mental health conditions can manifest as and/or exacerbate a variety of medical/physical conditions and thereby go undiagnosed and untreated. Dr. Singh has worked closely and coordinated care within the medical field and with other specialists in treating and diagnosing comorbid mental health conditions. While in private practice for over 10 years, she was also an attending and consultant for inpatient mental health care and provided mental health services for residents in various residential care facilities, group homes, and skilled nursing facilities. Over the past 5 years she has consolidated her practice and presently is employed with Compass Health Network in Missouri helping bridge the gap in mental health care by coordinating and providing care to the underserved community.

Background and credentials

Dr. Yang is board-certified in both General Psychiatry and Addiction Psychiatry. She received her medical degree from the Medical School of Nanjing University in China and completed her Ph.D. in Neuroscience at the State University of New York in Buffalo. She conducted neuroscience research at Tufts University and Columbia University. Dr. Yang completed her residency in Psychiatry at the University of Texas Health Science Center at Houston – McGovern Medical School (UTHealth) and a fellowship in Addiction Psychiatry at Baylor College of Medicine. She has held academic positions at Baylor College of Medicine, supervising medical students, residents, and physician assistant students.

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Treatment approach

Dr. Yang specializes in treating depressive disorders, bipolar disorders, anxiety, substance use disorders, ADHD, and trauma-related disorders. She employs medication management combined with supportive therapy and motivational interviewing techniques. Dr. Yang emphasizes building strong therapeutic relationships, tailoring treatment to each patient's unique goals and needs.

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What you can expect in a first visit

In the initial visit, patients can expect a detailed, personalized evaluation by Dr. Yang. She will explore symptoms, medical history, personal goals, and treatment preferences to design an individualized care plan. Patients can expect a compassionate, collaborative approach with clear communication about medication management options and supportive therapeutic strategies aimed at improving 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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