Karelis Sierra-Cintron, MD

Dr. Pan is a board-certified psychiatrist with over 10 years of experience. She holds a Doctor of Medicine degree from UT Southwestern Medical School and completed her medical specialty training in the Department of Psychiatry at UT Southwestern Medical Center. She has served as faculty at UT Southwestern, teaching medical students and mentoring psychiatry residents.

Dr. Pan is a diplomate of the American Board of Psychiatry and Neurology. Dr. Pan specializes in medication management for adults with a broad range of psychiatric conditions, including anxiety, bipolar, depression, insomnia, PTSD/trauma-related disorders. Medication treatment may be complemented with elements of supportive psychotherapy, psychodynamic therapy, and cognitive behavioral therapy.

Dr. Pan works collaboratively with patients to develop evidence-based treatment plans tailored to their unique needs. If further psychotherapy is needed, she may recommend working with a therapist as well. Asking for help can be difficult, especially when it comes to mental health. During the first visit, patients can expect a welcoming space where they can share their concerns. The visit will also focus on a psychiatric evaluation covering symptom details, psychiatric and other medical history, prior treatments, and how the current symptoms affect the person as a whole.‍

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Dr. Diane Papke holds the position of staff psychiatrist at Talkiatry. After graduating from medical school, she completed internship year in Internal Medicine at St. Joseph's Hospital in Phoenix, AZ, followed by two years of neurology residency at Barrow Neurological Institute before completing Psychiatric residency at Maricopa Medical Center in 2005. She then spent the majority of her time caring for SMI/seriously mentally ill patients with a mantra "propelling people forward to wellness.” Working on the supportive level of care for this population honed her skills to care for the highest level of outpatient care through ACT/assertive community treatment. She has a genuine interest in treating psychiatric disorders including anxiety, depression, PTSD, OCD, ADHD, and most specifically bipolar. She has experience treating medical comorbidities including neurologic disorders. In 2023, she extended her expertise and skills to the general population to include telehealth management of her patients. With a nonsense approach, she prides herself on collaborating with patients to attain their goals of optimum psychiatric health, believing that the cornerstone of a healthy partnership with any patient is a holistic approach. Listening with an open mind and heart while collaborating with her patients to provide the correct medication management and supportive care has always been the key for her. She is looking forward to meeting you!

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. Farooq obtained her medical degree from Dow Medical College, one of the  most prestigious medical schools in Pakistan. She completed her residency in  General Psychiatry at New York Medical College-Westchester Medical Center in  Valhalla, New York. Dr. Farooq is ECFMG certified and an active member of the  American Psychiatric Association. During her training, she gained diverse  clinical experience in psychiatric inpatient, outpatient, and emergency care  settings.    

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Treatment approach  

Dr. Farooq emphasizes a friendly, collaborative, and patient-centered  treatment approach, focusing on building strong therapeutic relationships.  Her practice primarily centers on medication management, combined with  supportive therapy, cognitive-behavioral therapy (CBT), and motivational  interviewing. She tailors treatment approaches to the unique needs and goals  of each patient.  

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What you can expect in a first visit    

Patients meeting Dr. Farooq for the first time can anticipate a welcoming  and collaborative atmosphere. Her initial evaluation focuses on understanding  each patient’s symptoms, concerns, and individual treatment goals. Dr. Farooq  integrates medication management with supportive therapy and therapeutic  modalities such as CBT and motivational interviewing, ensuring treatment  plans are personalized and aligned with patient-care objectives.    

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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.

Dr. Erica Mark is a board-certified psychiatrist with experience in both inpatient and outpatient care. She formerly served as a Staff Psychiatrist at a VA Medical Center, where she specialized in the mental health needs of veterans. Dr. Mark earned her B.S. in Biological Sciences, Summa Cum Laude, from Hampton University, received her MD from the University of Texas Medical Branch, and completed her psychiatry residency at Tulane University School of Medicine, serving as Chief Resident in 2017.

Dr. Mark fosters a warm, supportive environment where patients feel heard and respected. She values open communication and works collaboratively to set clear, personalized treatment goals. Deeply committed to service, she has supported underserved and marginalized communities through various nonprofit initiatives.

During initial sessions, Dr. Mark takes time to understand each patient’s history, concerns, and goals. She then creates individualized treatment plans aligned with each patient's unique needs and preferences. Dr. Mark encourages ongoing dialogue to adapt care plans and support long-term progress.

Dr. Osamudiamen Osa-Edoh is board-certified in general adult psychiatry. He earned his medical degree from the University of Benin in Nigeria and completed his psychiatry residency at Meharry Medical College in Nashville, Tennessee, where he served as Chief Resident and received multiple honors. He previously served as Medical Director at Sumner Regional Hospital and Assistant Professor at Meharry Medical College.

As a psychiatrist, Dr. Osa-Edoh diagnoses and treats mental illnesses through medication management and psychotherapy. He believes in a kind, compassionate, and evidence-based approach that prioritizes patient needs and fosters a supportive, healing environment.

Dr. Osa-Edoh creates a welcoming, collaborative space where patients feel heard and supported. He takes time to listen, building trust and a strong therapeutic relationship. His goal is to partner with each patient to support their mental health and help them reach their personal wellness goals.