Peter Szeibel, MD

Dr. Dalhy is a psychiatrist with a practical, patient-centered approach to care. She earned her Associate of Arts Degree in General Studies from Valencia College, followed by a Bachelor of Science in Biomedical Sciences from the University of Central Florida. She completed a post-baccalaureate program in Health Sciences before earning her Doctor of Osteopathic Medicine from Lake Erie College of Osteopathic Medicine (LECOM). She went on to complete four years of psychiatry residency training at Centerstone Behavioral Health Hospital and Addiction Center in Bradenton, Florida.

Dr. Dalhy has inpatient and outpatient practice experience. She is experienced in treating a wide range of conditions, including complex mood disorders, anxiety disorders, addiction medicine, primary psychotic disorders, and patients in acute crisis.

Her treatment style is straightforward and conservative. She focuses on making accurate diagnoses and creating treatment plans that are as simple and effective as possible—prioritizing the lowest effective dose and minimizing unnecessary medications. She works collaboratively with each patient to develop a treatment plan that is realistic, personalized, and sustainable. She incorporates education into her practice and believes that patients make more informed decisions when they understand their options. You can expect a straightforward and honest approach with no judgment or pressure. She always welcomes questions.

Outside of her clinical work, she values spending time with loved ones, including pets. Dr. Dalhy enjoys spending time outdoors and experiencing new adventures. She values honesty, kindness, and compassion, and she integrates those qualities into her personal life and her work with patients.

Dr. Alexandra Hamlyn is a board-certified adult psychiatrist and board-certified child and adolescent psychiatrist. She completed her medical education at Cooper Medical School of Rowan University and then completed her residency in adult psychiatry at Icahn School of Medicine at Mount Sinai Beth Israel. She then went on to complete her child and adolescent psychiatry fellowship at NYU Langone and Bellevue Hospital. During this time, she also taught a course titled Love Actually at NYU School of Arts and Science. During training, Dr. Hamlyn gained extensive clinical experience in psychiatric inpatient, outpatient, and emergency settings, allowing her the opportunity to treat patients of all ages and backgrounds in numerous busy hospitals in New York City. Dr. Hamlyn's primary focus is on medication management, though she also has experience working in four different outpatient clinics where she has gained expertise in multiple different therapy modalities. If appropriate, Dr. Hamlyn will refer you for psychotherapy and collaborate with your therapist to support your care. She appreciates the importance of fostering a meaningful therapeutic relationship, and her goal is to make every patient feel welcomed in a non-judgmental treatment environment. She also takes a holistic approach as she understands that good health creates a sense of overall well-being and improved mental health. She strongly emphasizes the importance of mindfulness, self-compassion, exercise, nutrition, and interpersonal relationships throughout treatment. She looks forward to meeting and working with you.

Dr. Niles (he/him) holds the position of Staff Psychiatrist at Talkiatry. He has four years of experience in outpatient psychiatry and is board-certified for adult psychiatry. He has received training in the use of cognitive behavioral therapy, supportive therapy, motivational interviewing, psychodynamic therapy, and dialectical behavioral therapy skills. He uses his training in therapy in tandem with medicine management to provide holistic, person-centered care. During his undergraduate studies at the University of Pittsburgh, while completing his pre-medical classes, he also pursued certification in the history and philosophy of medicine. Additionally, he studied the effect of culture and ethics on healthcare. He earned a Bachelor of Science in Psychology with a minor in Chemistry. He attended medical school at the West Virginia School of Osteopathic Medicine. His psychiatry residency training was completed at Charleston Area Medical Center. While in residency, he worked to improve cultural awareness in the outpatient setting. Dr. Niles is interested in treating patients with a wide variety of diagnoses. He treats mood disorders, anxiety disorders, trauma-related disorders, personality disorders, OCD, comorbid addiction, mild eating disorders, neurodevelopmental disorders such as autism spectrum disorder, and more. He also strives to provide care that affirms LGBTQIA+ identities and underwent additional training in transgender mental healthcare.

Background and credentials

Dr. Jenny Joseph is a board-certified adult psychiatrist. She earned her medical degree from St. George's University School of Medicine and completed her adult psychiatry residency at New York Medical College at Metropolitan Hospital Center. She has experience working with diverse patient populations and treating a range of psychiatric conditions.

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Treatment approach

Dr. Joseph specializes in medication management for various psychiatric conditions, including mood, anxiety, and psychotic disorders. She employs a patient-centered approach that emphasizes empathy, open communication, and collaboration. In addition to pharmacological treatment, she incorporates psychoeducation and supportive therapy to help patients better understand and manage their conditions. When beneficial, she may recommend additional therapy and coordinate care with a therapist to ensure comprehensive treatment.

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What you can expect in a first visit

During the first visit, patients can expect a thorough evaluation that explores their symptoms, treatment history, and personal goals. Dr. Joseph takes the time to listen and understand each patient's needs, ensuring that their treatment plan is tailored to their specific concerns. She provides a compassionate and structured approach to medication management while fostering a collaborative environment where patients feel supported in their mental health journey.

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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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Dr. Michelle Hornbaker-Park is a board-certified General and Child and Adolescent Psychiatrist with over nine years of experience. Her practice focuses on medication management, which is founded not only on evidence-based medicine but also on the understanding that a trusting therapeutic relationship is the cornerstone of behavioral health healing. She incorporates CBT, supportive therapy, and psychoeducation into her medication management appointments and may refer patients for additional psychotherapy to improve outcomes. Dr. Hornbaker-Park received her Bachelor of Science degree from Ursinus College, with a dual major in Biochemistry/Molecular Biology and Neuroscience. After receiving a Health Professions Scholarship from the Army, she obtained her medical degree from Jefferson Medical College. She went on to enter active duty military service and complete General Psychiatry residency training and Child and Adolescent Psychiatry fellowship training at Tripler Army Medical Center before completing active duty service as a staff psychiatrist and 101st Airborne Division psychiatrist at Fort Campbell, KY. There she cared for active duty service members and their families to manage depression, anxiety, trauma, and the unique stressors of military service. She later transitioned to federal civilian service and served as a preceptor for Phase II Physician Assistant trainees and Army Social Work interns, reinforcing a passion for education that carried her to Walter Reed National Military Medical Center (WRNMMC). During her time at WRNMMC, she served in several roles including Deputy Medical Director of Inpatient Psychiatry, core faculty for the National Capital Consortium Psychiatry Residency Program, Associate Program Director, and associate faculty at the Uniform Services University for Health Sciences (USUHS). Prior to transitioning out of federal service to join Talkiatry, she was repeatedly recognized for excellence in academics and mentorship and received multiple teaching awards. This zeal for education and mentorship, as well as humility, personal growth, and learning, translates directly into her philosophy for patient care. She believes a whole-person approach with open, collaborative teamwork is the key to progress.

Background and credentials

Dr. Jessica Matthews is a board-certified general psychiatrist. She earned her medical degree from the University of Texas Health Science Center at San Antonio and completed her psychiatry residency at Tripler Army Medical Center in Honolulu, HI. After her training, she was stationed at Fort Hood, TX, where she worked as a staff physician in the inpatient unit at Carl R. Darnall Army Medical Center and later became the inpatient medical director. She subsequently transitioned to outpatient care, serving as a staff physician and later as clinic chief in the outpatient embedded behavioral health clinics. She continued working as a staff physician after leaving the military.

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Treatment approach

Dr. Matthews specializes in medication management, often incorporating supportive and cognitive-behavioral-focused therapy into treatment. Follow-up visits typically last 30 minutes, during which she evaluates progress and adjusts treatment as needed. She takes a collaborative approach and may recommend additional therapy when she believes it will optimize patient outcomes. Her primary areas of focus include treating adults with depression, anxiety, and stress/trauma-related disorders.

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What you can expect in a first visit

During the first visit, patients can expect a comprehensive evaluation where Dr. Matthews takes the time to understand their symptoms, history, and treatment goals. She prioritizes a structured yet patient-centered approach, discussing medication management options while considering therapeutic interventions tailored to individual needs. If necessary, she may recommend additional therapy as part of a well-rounded treatment plan.

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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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