Monica Badillo, MD

Dr. Steve Paschos is a board-certified Psychiatrist at Talkiatry. He attended Loyola University Chicago on the Lake Shore campus, completing a bachelor's degree in science and a Degree in Classical Studies. He then attended Medical School at Rush Medical College in Chicago and completed a 5-year combined Internal Medicine & Psychiatry residency in 2011. Dr. Paschos subsequently completed a 1-year fellowship in Geriatric Medicine at Rush University Medical Center. He has spent the last 12 years fulfilling his passion for integrating Internal Medicine & Psychiatry, working with a diverse range of patients suffering from severe mental illnesses. ‍Dr. Paschos' years of experience have included working at Cook County Health Services � Cermak Health Services at Cook County Department of Corrections with an extremely diverse patient population with varying psychiatric illnesses. He has also worked as an inpatient psychiatric hospitalist and as the director of the Intensive Care Unit at Chicago Behavioral Hospital in Illinois. Dr. Paschos also acted as a medical director of an IOP and established an outpatient psychiatric practice in conjunction with the Intensive Outpatient Program. He has had the opportunity and privilege of treating individuals who suffer from various diagnoses, especially challenging patients who have suffered from integrated or Med-Psych concerns involving primary mood disorders, Bipolar Affective disorders, prior trauma, severe medical problems/diagnoses along with concurrent personality pathology. ‍Dr. Paschos utilizes supportive psychotherapy, brief cognitive behavioral therapy, and at times psychodynamic therapy to address his patients' current complaints and to identify the locus of their symptoms. He believes in utilizing an all-encompassed approach using mindfulness and various psychotherapies along with comprehensive medication management. To quote Hippocrates "Where there is love for the art of medicine there is a love of humanity.”

Dr. Ana Lilian Reyes is a board-certified psychiatrist that earned her M.D. from the University of Florida, where she served as a chief resident. She received multiple academic honors, including the Peter Regan, M.D. Award for academic excellence in psychiatry and the John E. Adams academic achievement award throughout her course of training. She also holds a B.A. in Psychology with a neuroscience focus from Harvard University.

Dr. Reyes is passionate about outpatient psychiatry and values the long-term, collaborative relationships formed in the clinic setting. She has a particular interest in women’s and reproductive mental health and has been involved in research and protocol development focused on perinatal depression. She also brings additional training in cognitive behavioral therapy and psychodynamic psychotherapy to her work. Additionally, she has worked with underrepresented college-aged populations pursuing careers in STEM.

Her approach is rooted in blending psychotherapy and psychopharmacology. She emphasizes a full lifestyle approach and a therapeutic space wherein patients can engage in self-reflection and expression.

Fluent in English and Spanish, Dr. Reyes is dedicated to providing culturally responsive care that supports patients in achieving lasting emotional health.

Dr. Caitlin Tillberg (she/her) is a board-certified psychiatrist. She has a BA in musicology and cognitive science from Oberlin College, an MD from Quinnipiac University in Connecticut, and completed general adult psychiatry residency at Duke University. Dr. Tillberg practices patient-centered and trauma-informed care, valuing patient autonomy and collaborative decision-making, acknowledging the burden many people carry from intersecting oppressions. She believes therapy is important � often equally important as medication, or more � and will work together with you to make a realistic treatment plan that will fit into your life. Dr. Tillberg also has a niche working with people with complicated relationships with their bodies, whether due to disordered eating, gender dysphoria, chronic illness/disability, or trauma. She welcomes LGBTQ+ patients, including trans and non-binary adults. She also enjoys working with patients with OCD, as well as autistic/neurodivergent adults (including those seeking adult autism evaluation). Please note Talkiatry is most appropriate for autistic patients with Level 1 (or case-by-case Level 2) support needs and who are verbal. Regarding eating disorders: Please note that for patient safety, per Talkiatry policy, Dr. Tillberg is unable to work with patients with current active anorexia nervosa or bulimia nervosa (or significant relapse in the last 6 months), or with patients requiring current regular medical or lab monitoring for complications of binge-eating disorder or ARFID. Bariatric surgery patients are welcome if medically stable. Patients with current disordered eating that does not rise to the level of a formal diagnosis of anorexia or bulimia, or with a past history of anorexia or bulimia in sustained remission, will be evaluated on a case-by-case basis at the first appointment. Dr. Tillberg looks forward to meeting you.

Dr. Pallavi Tatapudy, MD, earned her medical degree from the Renaissance School of Medicine at Stony Brook University, where she was inducted into the Gold Humanism Honor Society. She completed Stony Brook’s combined residency in Adult Psychiatry and fellowship in Child and Adolescent Psychiatry, along with the Leadership Education in Neurodevelopmental Disabilities Fellowship. Board certified in adult psychiatry and board eligible in child and adolescent psychiatry, she has worked across inpatient, emergency, outpatient, and school settings. Her training includes expertise in Cognitive Behavioral Therapy, Psychodynamic Psychotherapy, and Motivational Interviewing, and she incorporates principles from Supportive Psychotherapy, Dialectical Behavior Therapy, and Family Systems Therapy.

Dr. Tatapudy’s warm, approachable style values each patient’s lived experience. She practices attunement to align with her patients and prioritizes cura personalis—care for the whole person. She is skilled in medication management for a wide age range and integrates therapeutic skill-building. Outside of work, she enjoys nature, visiting national parks, water activities, Indian Bhangra dance, music, and reflecting on meaningful quotes.

Dr. Tatapudy sets a collaborative agenda, listens attentively, and thoroughly reviews patient history. She includes perspectives from support systems when appropriate, offers psychoeducation with creative examples, and encourages open questions and feedback. She shares credible resources, supports learning together, and helps patients define realistic goals and measurable benchmarks for progress.

Dr. Lisa Oliveri is a double board-certified psychiatrist in Psychiatry and Forensic Psychiatry. She completed her undergraduate training at the University of Florida, followed by medical school at the Charles E. Schmidt College of Medicine at Florida Atlantic University. She completed both her residency in Psychiatry and fellowship in Forensic Psychiatry at the University of Miami/Jackson Memorial Hospital. Since graduating from fellowship, Dr. Oliveri has held an academic appointment at the University of Miami, teaching medical students, residents, and fellows, and serving as the Miami Veterans Healthcare System Site Director for the University of Miami Psychiatry residency and fellowship programs. Additionally, she has served as the Medical Director of the inpatient psychiatry unit and subsequently as the Assistant Chief of Psychiatry for the Miami VA Healthcare System. Dr. Oliveri has a strong interest in treating a broad range of psychiatric disorders, including depression, anxiety, posttraumatic stress disorder, and substance use disorders. She has extensive experience in treating adults with severe psychiatric illnesses in the inpatient setting. Patients looking for a psychiatrist will find that Dr. Oliveri is approachable, open-minded, and collaborative in her diagnostic interviews and treatment planning. She believes that a strong doctor-patient relationship with a thorough understanding of a patient's condition and concerns is key to effective treatment.

Serena Mirchandani is a board-certified psychiatric nurse practitioner with extensive experience treating serious mental illnesses such as bipolar disorder and schizophrenia spectrum disorders. She also provides care for individuals with depression, anxiety, PTSD, OCD, autism spectrum disorder, and substance use disorders. Serena earned both a Master of Science in Nursing and a Doctorate in Nursing Practice in psychiatry from Columbia University. She completed a Nurse Practitioner Fellowship at Community Healthcare Network and worked at Bellevue Hospital for 2.5 years, providing care on an inpatient psychiatric unit for a diverse, underserved population.

Serena’s approach is grounded in open communication, evidence-based care, and deep respect for each patient’s lived experience. She prioritizes a collaborative, safe space where individuals feel heard, respected, and empowered. Her holistic style supports honest conversation, transparency in treatment options, and patient-centered goals.

Serena begins with a comprehensive assessment to understand each patient's full story—biological, psychological, and social. She then partners with patients to develop personalized, evidence-based treatment plans that align with their values and goals. She emphasizes education, transparency, and regular follow-up to support ongoing progress and informed decision-making.