Cheryl Person, MD

Dr. Delane Casiano is a board-certified adult psychiatrist with specialized interest and expertise in cultural psychiatry. She earned her undergraduate degree from Brown University and her medical degree from Morehouse School of Medicine. She completed psychiatry residency and research fellowship at the University of Pennsylvania. Such organizations as the American Psychiatric Association, National Institute of Mental Health, and Philadelphia Department of Behavioral Health have recognized her research examining cultural influences on mental health beliefs and service utilization.

Dr. Casiano brings a systems-based, culturally informed perspective to her work. With over 15 years of experience, she has supported individuals with diverse backgrounds and identities. Examples of her leadership of multidisciplinary teams include serving as associate medical director of a women's trauma program and founding an integrated care program for underserved communities. She has directed academic training programs, presented at national conferences, and led numerous community-based events focused on mental health awareness and stigma reduction.

Dr. Casiano values compassion and collaboration in the treatment relationship. She helps patients navigate depression, anxiety, ADHD, and post-traumatic stress, while also supporting those facing major life transitions.

Her approach combines evidence-based medication management, supportive therapy, and

psychoeducation. She tailors each treatment plan to the individual while offering encouragement and structure.

Background and credentials

Dr. Nilesh Tannu is a board-certified psychiatrist by the American Board of Psychiatry and Neurology. He earned his medical degree from B.J. Medical College in Pune and completed his adult psychiatry residency at the University of Texas Medical School at Houston, where he served as chief resident. During his training, he received awards from the Society of Biological Psychiatry, the American Academy of Addiction Psychiatry, and the American Psychiatric Institute for Research and Education. He has been practicing General Psychiatry and Consultation-Liaison Psychiatry for the past seven years at Texas Medical Center in Houston, Texas. Additionally, he has served as an assistant professor of psychiatry at the Texas Medical Center, working at UT Physicians Clinics and Memorial Hermann Hospital. He is also a member of the Editorial Board for BMC Genomics Journal.

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Treatment approach

Dr. Tannu follows the bio-psycho-social model to provide evidence-based psychopharmacologic treatment. He integrates supportive therapy and cognitive-behavioral therapy (CBT) modalities into his practice to create personalized and comprehensive treatment plans. He is committed to mental health care, education, and helping patients achieve optimal functioning in their personal and professional lives. His clinical expertise includes ADHD, anxiety disorders, depressive disorders, bipolar disorder, psychotic disorders, insomnia, eating disorders, and complex medical comorbidities.

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What you can expect in a first visit

During the first visit, patients can expect a comprehensive assessment where Dr. Tannu takes the time to understand their symptoms, treatment history, and personal goals. He employs a collaborative approach to develop a tailored treatment plan that may include medication management and therapy interventions. His focus is on evidence-based care, ensuring that patients receive treatments that are scientifically backed and aligned with their individual 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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Christina Delos Reyes, MD, earned her medical degree from Northeast Ohio Medical University and completed Psychiatry Residency and Addiction Psychiatry Fellowship at University Hospitals Cleveland Medical Center. She has practiced in inpatient, intensive outpatient, and outpatient settings and has subspecialty training in Addiction Psychiatry, Addiction Medicine, and treatment of co-occurring mental health and substance use disorders. She is also a Gestalt Professional Certified Coach through the Gestalt Institute of Cleveland.

Dr. Delos Reyes values honesty and authenticity and believes meaningful progress comes from sharing what is truly happening in one’s life. She brings her full humanity to treatment and honors the role of spirituality, recognizing body, mind, and spirit as essential to healing. She embraces creativity and encourages openness to new perspectives and solutions.

She spends more time listening than talking and views herself as a guide and teacher rather than a director. She works to build a collaborative partnership focused on the patient’s goals and may offer recommendations, while emphasizing that each person remains responsible for their own growth and progress.

Dr. Gregory Marc Varhely is a board-certified general adult psychiatrist. He grew up in Austin, Texas, and attended Texas State University, where he earned a BA in Psychology and a Master's degree in Biology/Biochemistry. After graduating from medical school at Ross University, he completed his residency in Psychiatry at the Medical College of Wisconsin. Dr. Varhely has served as an outpatient psychiatrist at the Department of Veterans Affairs and acted as an attending physician for resident psychiatrists at Texas A&M and UT Dell Medical Schools. He then acted as a sole proprietor of an outpatient psychiatric medication management and psychotherapy practice in Georgetown, Texas and later started contracting for North Central Health Care Mental Health Clinic, applying psychotropic medication management expertise to community-based treatment facilities in Wisconsin. Dr. Varhely's approach is rooted in forming meaningful connections with his patients. He wholeheartedly believes that psychological suffering stems from a blend of biological, psychological, social, and environmental factors. Dr. Varhely works together with his patients to uncover these factors and create treatment plans tailored to their specific needs using an eclectic blend of the latest in psychopharmacology, as well as psychodynamic, supportive, and cognitive-behavioral therapy.

Dr. Danielle Gelfond is an Adult Psychiatrist and a graduate from Loyola University Medical Center's residency program in Chicago, IL. Prior to attending residency, Dr. Gelfond graduated from Rush Medical College at Rush University. Throughout residency, Dr. Gelfond spent time focusing on her clinical interests which include mood disorders, anxiety disorders, substance use disorders, and women's mental health. During her training, Dr. Gelfond spent several years working with the Perinatal population and completed a year-long program focusing on Women's Mental Health through the National Curriculum in Reproductive Psychiatry organization. She held the role of Chief Resident of her program during the last two years of her training and received several awards commending her leadership style and rapport with patients through her program. Dr. Gelfond takes on a holistic and "patient-centered" approach in her treatment style. She incorporates both medication management, supportive psychotherapy, and discussions surrounding lifestyle and wellness into her appointments and emphasizes patient education and autonomy, which she believes helps support the therapeutic relationship, improve clinical outcomes, and helps treatment align with the patient's goals of care.

Background and credentials  

Dr. Webb is board-certified by the American Board of Psychiatry and  Neurology. She earned a Bachelor of Science in Biological Sciences from the  University of Miami in Coral Gables, Florida, and obtained her medical degree  in Osteopathic Medicine from the West Virginia School of Osteopathic  Medicine. Dr. Webb completed her psychiatry residency training at Palm Beach  Consortium for Graduate Medical Education in Tamarac, Florida. After her  training, she served as an attending psychiatrist with the Department of  Veterans Affairs in Miami, Florida, and as an attending psychiatrist and  mentor for psychiatry residents in training at the University of Miami,  Florida International University, and University Hospital and Medical Center  in Tamarac.  

Treatment approach    

Dr. Webb believes in building strong therapeutic relationships with her  patients, integrating conservative psychological treatments and lifestyle  modifications to enhance overall well-being and quality of life. She  primarily provides medication management combined with supportive or  emotionally focused therapy. Dr. Webb emphasizes creating individualized care  plans tailored to each patient’s unique needs. While medication and  supportive therapy are central to her approach, she occasionally recommends  involving an additional therapist to optimize treatment outcomes. Dr. Webb  specializes in managing a broad range of psychiatric conditions, including  depression, anxiety, bipolar disorder, postpartum depression, OCD, and  PTSD.  

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What you can expect in a first visit  

Patients meeting Dr. Webb for the first time can expect a thoughtful and  comprehensive assessment focused on building rapport and understanding their  personal and clinical needs. Dr. Webb emphasizes creating a strong  therapeutic relationship, developing an individualized care plan designed  specifically to address each patient's symptoms and lifestyle. Follow-up  appointments typically last around 30 minutes, during which medication  management and supportive therapy are provided. Depending on patient needs,  Dr. Webb might suggest incorporating additional therapeutic support to  achieve the best possible results.    

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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.