Sara Mateo, MD

Dr. Daniel Kim is a board-certified adult psychiatrist with more than 20 years of experience in outpatient private practice, partial hospital programs at Sheppard Pratt Hospital, and acute inpatient settings including New York-Presbyterian and Westchester Behavioral Health. He earned his undergraduate degree from Cornell University and his medical degree from New York University School of Medicine. He completed his psychiatry residency at Brown University and a fellowship at Boston Psychoanalytic Society & Institute.

Dr. Kim values a strong doctor–patient relationship grounded in compassion, open communication, and mutual respect. He approaches care collaboratively, seeking to understand each individual as a whole person and fostering a safe, thoughtful space for treatment.

Dr. Kim conducts comprehensive diagnostic evaluations followed by 30-minute visits for medication management and supportive psychotherapy when indicated. He develops individualized plans informed by prior treatment history, considering both medication and non-medication options within a standard-of-care framework. With patient consent, he collaborates closely with therapists.

Dr. Nicholas Sahagian is a Psychiatrist in Colorado who has been practicing since 2023. He completed his MD and Adult Psychiatry Residency at the Chicago Medical School at Rosalind Franklin University and earned his BA in Neuroscience at Skidmore College. Dr. Sahagian has experience managing a broad array of complex psychiatric diagnoses in patients of diverse socioeconomic, cultural, and clinical backgrounds. Outside of work, he enjoys hiking, biking, skiing, playing guitar, reading, and collecting board games.

Dr. Sahagian offers psychiatric medication management while also incorporating elements of cognitive behavioral therapy, motivational interviewing, internal family systems, and lifestyle interventions. He believes that every patient is unique, and he works to create a supportive environment where individuals feel heard and empowered in their care.

Grounded in the biopsychosocial model, Dr. Sahagian takes a collaborative, patient-centered approach. He partners with patients to develop personalized treatment plans that integrate biological, psychological, and social factors, with the goal of guiding them along their path to improved wellness.

Cherese Allen is a Licensed Professional Counselor with extensive experience working with adolescents, teens, and adults. She completed her undergraduate studies at the University of Houston and earned her master's degree from Houston Christian University. Additionally, she completed an internship at a private practice in Texas. Upon obtaining her license, she achieved certifications in Dialectical Behavior Therapy, Eye Movement Desensitization and Reprocessing, Shame-Informed Therapy, and Eating Disorders.

With years of experience in both education and private practice, Cherese has helped individuals, couples, and families overcome a wide range of mental health challenges. Her expertise includes, but is not limited to, addressing depression, anxiety, self-esteem issues, mood disorders, career changes, and major life transitions.

Cherese employs a holistic approach that integrates Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, Solution-Focused Therapy, and Person-Centered Therapy. She believes that with the right tools, you can conquer many obstacles and reach your desired destination. Cherese looks forward to supporting you on your journey!

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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.

MassachusettsHolly James Corrigan, RN, MSN, PMHNP, is a board-certified psychiatric nurse practitioner committed to helping people navigate their mental health with skill and heart. She earned her BSN from Russell Sage College in 2009, her MSN from Massachusetts General Hospital Institute for Health Professions in 2016, and completed Psychiatry Redefined’s Fellowship in Functional and Integrated Psychiatry in 2025. Holly keeps current by attending top conferences, like the International Trauma Conference in Boston, ensuring she’s always at the forefront of her field.

Holly’s philosophy is simple yet powerful: care should fit the person, not just the diagnosis. She’s passionate about tackling complex issues—suicide prevention, C-PTSD, chronic depression, ASD, OCD—and advocating for underserved communities. For Holly, it’s about delivering real, meaningful support to those who need it most.

Her career began as a registered nurse in neurology, pediatrics, and emergency care, before she found her calling in psychiatry. Since then, she’s provided medication management and supportive psychotherapy in outpatient clinics and worked in inpatient units serving adults and adolescents.

Holly believes in patient-centered care based on the individual, rather than focusing only on a diagnostic algorithm. The first appointment will include a comprehensive psychiatric evaluation and a discussion about what your goals of treatment are. Pharmacological and therapeutic recommendations are both important elements of the treatment plan. Follow up appointments will be more concise, but may include various therapeutic modalities, medication changes, and supportive psychotherapy.

Dr. Carrie Schmitt, DO, graduated from Edward Via College of Osteopathic Medicine in Spartanburg, South Carolina in 2016. She completed her psychiatry residency at Henry Ford Allegiance Health in Jackson, Michigan in 2020 and a subspecialty in Forensic Psychiatry at the University of Maryland in 2021. Dr. Schmitt is dual board certified in Adult and Forensic Psychiatry and has practiced in inpatient, outpatient, community, academic, and forensic settings.

Dr. Schmitt values compassionate, well-rounded care and works collaboratively with patients to develop effective treatment plans. She emphasizes communication, active listening, and dignity, creating a supportive, nonjudgmental environment where patients feel understood and empowered.

Dr. Schmitt begins by understanding each patient’s history, concerns, and goals. She works together with patients to establish clear, practical treatment objectives and ensures each plan is tailored to their unique needs, fostering progress and long-term wellness.