Shelley Sellinger, MD

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Dr. De Jesus is a bilingual psychiatrist, fluent in English and Spanish. She is a double board-certified psychiatrist in Adult Psychiatry and Child & Adolescent Psychiatry. Dr. De Jesus provides medication management services in combination with supportive therapy during 30-minute follow-up visits. Dr. De Jesus received her medical degree from the Universidad Central del Caribe School of Medicine in Bayamon, Puerto Rico. She completed her Adult Psychiatry residency at Jackson Memorial Hospital in Miami, FL. Subsequently, Dr. De Jesus pursued her fellowship in Child and Adolescent Psychiatry at Thomas Jefferson University Hospital in Pennsylvania and was a Chief Resident during her last year of training. Dr. De Jesus has been providing psychiatric services in the community mental health setting for 8 years. Her clinical focus has been in treating children, adolescents, and young adults with depression, anxiety, posttraumatic stress disorder, and ADHD. Dr. De Jesus believes in the importance of establishing an individualized treatment approach to meet each individual's need while providing comprehensive care to her patients.

Karelis Sierra-Cintron, MD

Staff Psychiatrist

Dr. Sierra-Cintron is board-certified in adult psychiatry by the American Board of Psychiatry and Neurology and has been in practice for 12 years. Dr. Sierra-Cintron focuses her practice on medication management. She also engages in supportive therapy in a comprehensive way, focusing on the patient as a whole and not just the symptoms. Dr. Sierra-Cintron has a broad understanding of vitamin support as an adjunctive treatment to traditional medication. She has broadened her understanding of second-line treatment, having been certified in Electroconvulsive Therapy (ECT), conducting clinics in Clozapine and Long-Acting Antipsychotics (LOA), and even conducting assessments for patients interested in weight loss surgery. Dr. Sierra-Cintron has a comprehensive approach to treatment, and might consider the addition of therapy, either by referral or collaborating with an existing therapist for a more rounded approach and improved outcome. Dr. Sierra-Cintron received her medical degree from the Universidad Central del Caribe located in Bayamon, Puerto Rico. Upon graduation, she relocated to Philadelphia, where she started her residency program at Einstein Medical Center. After completing her training, she worked for 8 years in a community mental health clinic, treating an underserved population in all modalities of psychiatric care. In her 12-year career, Dr. Sierra-Cintron has treated both adult males and females, including seniors. This has led to varied and wide-ranging diagnoses during the length of her career. After leaving the community clinic setting, she started working for an outpatient clinic in a suburb of Philadelphia. Dr. Sierra-Cintron's current areas of focus are adults with Mood Disorders, Anxiety Co-Occurring Substance disorders, as well as patients with varied concomitant medical problems.‍

Christine Reyes, MD

Staff Psychiatrist

Background and credentials

Dr. Christine Reyes is a bilingual Spanish-speaking adult psychiatrist with 25 years of experience. She completed her residency in Adult Psychiatry at Saint Vincent's Hospital and Medical Center in New York City and subsequently completed a Child Psychiatry fellowship at the University of Pennsylvania in Philadelphia. Dr. Reyes has extensive experience practicing in outpatient and community mental health settings.

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Treatment approach

Dr. Reyes provides compassionate psychiatric care using pharmacotherapy combined with supportive psychotherapy. She specializes in treating anxiety, depression, bipolar disorder, post-traumatic stress disorder (PTSD), and numerous other psychiatric conditions. Additionally, Dr. Reyes emphasizes nutritional counseling, assisting patients in achieving and maintaining a healthy weight as part of their overall wellness plan.

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What you can expect in a first visit

Patients can expect a compassionate and thorough initial assessment aimed at understanding their psychiatric symptoms, personal health goals, and lifestyle considerations. Dr. Reyes combines medication evaluation with supportive psychotherapy and may discuss nutritional guidance as part of a holistic treatment plan. She prioritizes creating a supportive environment for bilingual (English/Spanish) patients to openly discuss their mental health concerns.

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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.

Keri Lemmond, MD

Staff Psychiatrist

Dr. Keri Lemmond is a board-certified adult psychiatrist with over 25 years of experience. Her practice focuses on medication management and ongoing supportive therapy during a 30-minute follow-up visit. Dr. Lemmond is a graduate of the Texas A&M Health Science Center and completed her residency training in adult psychiatry at Warren Alpert Medical School of Brown University. She previously held a faculty position with the University of Colorado School of Medicine and was a staff member at the Colorado State University Health Network. ‍In addition to her work with young adults in the college setting, she has had additional experience working with adults with co-occurring ADHD, substance use, PTSD, OCD, and premenstrual dysphoric disorder. Dr. Lemmond has been recognized for her approachable, empathic style when meeting individuals for the first time and throughout their work together. When necessary, she will recommend specific therapy modalities with a collaborating therapist for the best outcome. In her free time, Dr. Lemmond enjoys spending time with her family, traveling, and gardening.

Kristin Ratz, MD

Staff Psychiatrist

Dr. Kristin Ratz is a Board-Certified psychiatrist who is an expert in the diagnosis, treatment, and prevention of mental, emotional and behavioral disorders. She specializes in medication management combined with supportive therapy during 30-minute follow-up sessions. Dr. Ratz recognizes that each patient is unique and believes in an environment of collaboration, in which the patient and psychiatrist work together in order to develop the best individualized treatment plan. A California local, Dr. Ratz obtained her undergraduate education at University of California, Davis, graduating magna cum laude with a degree in Human Development. She then attended medical school at Loma Linda University School of Medicine, obtaining her Medical Doctorate. Following this, she completed her adult psychiatry residency training at the distinguished University of California, Irvine. Dr. Ratz has worked in a diverse range of healthcare settings, including county and community clinics, and is very experienced in telepsychiatry. She pays close attention to not only an individual's emotional state, but also their physical, spiritual, and social well-being, in order to provide her patients with exceptional holistic care.

Leslie Chavez, MD

Staff Psychiatrist

Dr. Leslie Chavez is a board-certified adult psychiatrist with a diverse background in clinical and academic medicine. She completed her medical school and residency at the University of New Mexico, where she later served as a psychiatrist and assistant professor, treating high-need patients and teaching residents and medical students. During the pandemic, she transitioned to telehealth and has been dedicated to this field for the past four years. Dr. Chavez is known for making her patients feel seen and heard, using both medication management and supportive psychotherapy. Dr. Chavez began her academic journey as a physics major at UNM and then studied biophysics at the University of San Diego, California. During her postdoctoral fellowship at Los Alamos National Laboratories, she was inspired by presentations about professionals working with patients in African countries, which sparked her interest in medicine. During this time, her father died of cancer, and she saw the impact of mental health therapy on his quality of life, further solidifying her motivation to attend medical school. Witnessing the profound impact of mental health on her patients and family, she specialized in psychiatry. Dr. Chavez is a seasoned psychopharmacologist and emphasizes the importance of nutrition, exercise, and community in mental health. She enjoys all aspects of medicine and combines her extensive knowledge with a patient-centered approach.

Erica Linnell, MD

Staff Psychiatrist

Dr. Erica Linnell is a board-certified adult psychiatrist. Her practice focuses on medication management and supportive therapy. Dr. Linnell is a graduate of Rutgers Robert Wood Johnson Medical School, from which she graduated with Alpha Omega Alpha honors and earned the Glasgow-Rubin Certificate of Commendation for Academic Achievement Award. Dr. Linnell trained in psychiatry residencies at Brown University/Butler Hospital and at Harvard University/Mass General Hospital. During medical school and residency, Dr. Linnell volunteered in community outreach programs that provided preventive health education and clinical services to homeless and under-served populations, taught elementary school children about the importance of healthy eating and physical activity, and hosted monthly support meetings for adolescents living with chronic diseases and their parents to foster connections and mentorship. Dr. Linnell uses a compassionate, affable treatment style in her practice that specializes in psychopharmacology with conjunctive psychotherapy. She has experience in treating patients with depression, anxiety disorders, PTSD, ADHD, and OCD.

Surinderpal Kahlon, MD

Staff Psychiatrist

Dr. Kahlon is an experienced Psychiatrist who spent the last 24 years of his career working in Veterans Affairs, where he was able to treat a wide variety of patients. Dr. Kahlon provides medication management along with supportive therapy. In some cases Dr. Kahlon may refer you to a counselor or therapist for further care and collaboration. He has experience treating a wide range of conditions, including major depressive disorder, panic disorder, generalized anxiety disorder, obsessive-compulsive disorder, and PTSD. Dr. Kahlon utilizes a well-rounded approach to treat the whole person, through medication, active listening, and recommending talk-centered counseling programs. Dr. Kahlon was trained in the VA system associated with Chicago Medical School (Finch University), which is located in North Chicago, Illinois. At the conclusion of his training, he was hired at the VA in Danville, Illinois until 2021. He also had a part-time private practice, which enhanced his experience in adult psychiatry. Dr. Kahlon graduated from a prestigious medical school that has consistently held a high position (4th) among the top 100 medical schools in the world.‍

Sara Mateo, MD

Staff Psychiatrist

Dr. Sara Mateo holds the position of staff Psychiatrist at Talkiatry. She is a board-eligible adult Psychiatrist. Dr. Mateo completed her Medical degree at the University of Benghazi- Faculty of Medicine and finished General Psychiatry Residency training at Tower Health/DrexelPhoenixville Hospital. Throughout her career, Dr. Mateo has actively contributed to various leadership roles and committees, demonstrating her commitment to advancing medical education and promoting diversity in the field. During her training, she generously shared her knowledge through educational presentations and lectures, fostering the growth of fellow trainees and medical students. Dr. Mateo is dedicated to creating a therapeutic environment characterized by warmth, empathy, and nonjudgmental support. Her approach involves collaborating with patients to develop individualized treatment plans that consider cultural, biological, psychological, and social factors. With a primary focus on medication management, Dr. Mateo's keen interest in psychotherapy is evident, as she often integrates supportive therapy, cognitive behavioral therapy, and psychodynamic psychotherapy during 30-minute follow-up visits to optimize wellness and recovery. Dr. Mateo brings a wealth of experience in caring for individuals of diverse ages and backgrounds, adeptly addressing a wide spectrum of conditions. Her expertise extends to treating depressive disorders, bipolar disorders, anxiety disorders, trauma and stress related disorders, ADHD, OCD, Insomnia, psychotic disorders; she also has experience treating individuals with medical comorbidities.

Lillian Cole, MD

Staff Psychiatrist

Background and credentials

Dr. Lillian Cole is a board-certified adult psychiatrist. She completed her undergraduate education at the University of North Carolina Wilmington and went on to earn both a master’s in biomedical sciences and a medical degree from Texas Tech University. She completed her psychiatry residency training at the University of Texas Southwestern Medical Center, where she gained experience working with a diverse range of patient populations across different ethnic, socioeconomic, and clinical backgrounds.

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Treatment approach

Dr. Cole emphasizes a holistic, patient-centered approach that integrates evidence-based medicine, psychotherapeutic techniques, lifestyle interventions, and psychoeducation. She believes that listening, collaboration, and compassion are essential to guiding patients toward recovery. Her practice primarily focuses on psychiatric medication management, and she has extensive experience treating mood disorders, anxiety, trauma-related disorders, and substance use disorders. When additional therapy is necessary for the best outcome, she may recommend integrating a therapist into the treatment plan.

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What you can expect in a first visit

Patients can expect a thorough and compassionate initial evaluation, where Dr. Cole takes the time to understand their symptoms, medical history, and treatment goals. She focuses on fostering a strong doctor-patient relationship and collaborates with each patient to create a personalized treatment plan that may include medication management, therapy, and lifestyle interventions. If additional therapy is indicated, she will coordinate with other providers to ensure comprehensive care tailored to the patient’s needs.

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Why Talkiatry?

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Parker Loy, MD

Staff Psychiatrist

Dr. Parker Loy is a board-certified Psychiatrist at Talkiatry. After finishing undergraduate studies at the University of Tennessee, Knoxville, he completed the University of Tennessee Health Science Center (UTHSC) Master of Science program before enrolling in medical school at the same institution. After graduating from medical school, he completed his residency at UTHSC, during which he trained in a variety of inpatient and outpatient settings and treated a broad spectrum of mental health conditions. He enjoys treating a wide variety of conditions, including mood and anxiety disorders. Therapeutic techniques are incorporated into medication management visits when indicated, and collaboration with therapists may also be recommended.

Jorge Corona, MD

Staff Psychiatrist

Background and credentials

Dr. Corona is a board-certified psychiatrist who earned his medical degree from the University of Texas Health Science Center in San Antonio School of Medicine. He then completed his Adult Psychiatry Residency training at UT Health San Antonio. He has extensive experience treating diverse patient populations in various clinical settings.

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Treatment approach

Dr. Corona integrates medication management with therapeutic techniques and collaborates with therapists as needed to create individualized treatment plans. He is transparent in his thought process, ensuring that patients are actively involved in shaping their care. His treatment approach focuses on clarifying diagnoses and optimizing treatment modalities, considering both pharmacological and therapeutic interventions. He specializes in treating depression, anxiety, stress management, life transitions, strained relationships, trauma-related conditions, and other psychiatric challenges.

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What you can expect in a first visit

During the first visit, patients can expect a detailed and comprehensive evaluation, where Dr. Corona takes the time to understand their concerns, symptoms, and personal goals. He prioritizes thorough follow-ups to assess treatment progress and refine the care plan. His collaborative approach ensures that patients feel heard and actively involved in their personalized treatment journey, with clear communication on medication management and therapy recommendations.

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Why Talkiatry?

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Shelley Sellinger, MD

Education and training

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