Alexa Hall, MD

Dr. Shafi completed his undergraduate studies in biology at the University of Nevada Las Vegas. He then earned his medical degree from Touro University Nevada College of Osteopathic Medicine. He went on to complete his psychiatry residency at the Kirk Kerkorian School of Medicine at UNLV, where he was awarded “Master of the PRITE” for achieving the highest score on the Psychiatry Resident In-Training Examination.

Dr. Shafi specializes in the treatment of various psychiatric conditions including anxiety, depression, bipolar disorder, ADHD, and PTSD. He has practiced in multiple settings including inpatient psychiatric facilities, outpatient mental health clinics, and the VA system.  

Dr. Shafi primarily focuses on medication management in conjunction with supportive psychotherapy. Using a collaborative and patient-centered approach, he provides personalized care by tailoring treatment to his patients’ unique needs. Dr. Shafi’s curiosity and compassionate nature allow him to connect with patients from all walks of life. He is committed to creating a supportive environment where patients feel comfortable expressing their mental health concerns.

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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.

Dr. Luna Sanchez Rivera holds the position of Staff Psychiatrist at Talkiatry. After completing residency in 2016 at the Ponce Medical School Psychiatry Residency in Puerto Rico, she then moved to North Carolina to complete a subspecialty in Child and Adolescent Psychiatry at Duke University Health System. There, she transitioned into an assistant professor position, focused on structuring pediatric emergency psychiatric services, and helped support the consult and liaison pediatric service. Her years of experience have included working as an integrated care child psychiatrist within outpatient clinics at Duke University Health System, and she trained and worked as a staff psychiatrist at the Inpatient State Facility in North Carolina. She also served in the Dayton Children's Hospital outpatient clinics in Dayton, Ohio, the Appalachian Health System outpatient clinics in Linville, North Carolina, and more recently has been serving the Child and Adolescent inpatient population in Bangor, Maine. Dr. Sanchez Rivera has an approachable style aimed at providing a comprehensive evaluation for all age ranges and is comfortable managing various levels of diagnostic complexities. She provides supportive psychotherapy while using psychodynamic therapy skills to clarify her patient's constellation of symptoms, identify unifying themes and provide thorough psychoeducation throughout the process to drive positive outcomes. She integrates psychodynamic medication management approaches and is adept at family therapy interventions.

Background and credentials

Dr. Stefan is a psychiatrist with extensive experience in outpatient care, inpatient care, and assertive community treatment. She has served as a medical director for large institutions, overseeing the treatment of individuals with complex mental illnesses. Born and raised in Puerto Rico, she is fluent in both English and Spanish. She earned her medical degree from the University of Puerto Rico School of Medicine and completed her psychiatry residency at the University of Florida, where she received recognition for her skills as a psychotherapist.

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Treatment approach

Dr. Stefan is deeply committed to patient-centered care, adapting her role to the individual needs of each patient. She believes in treating the whole person, rather than just a diagnosis, recognizing that each patient has unique psychosocial circumstances. She has a strong foundation in psychotherapeutic interventions and is dedicated to providing engaging, compassionate, and meaningful therapy in every patient interaction. With over 10 years of experience as a psychiatrist, she has worked extensively in telemedicine since 2013, ensuring that remote care is as effective and personal as in-person visits.

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What you can expect in a first visit

Patients meeting Dr. Stefan for the first time can expect a comprehensive and holistic evaluation that considers their symptoms, personal history, and life circumstances. She takes the time to build strong therapeutic relationships, fostering a caring and engaging environment where patients feel understood and supported. Whether through telemedicine or in-person care, she prioritizes personalized treatment plans that integrate medication management and psychotherapy, ensuring the highest quality of care tailored to each patient’s needs.

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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. Richard Mullin brings over a decade of experience in outpatient psychiatric care, with prior roles providing treatment to juveniles in detention and adults in jail and prison systems across West Virginia. He completed his medical degree at the Joan C. Edwards School of Medicine at Marshall University and trained in psychiatry and child and adolescent psychiatry at West Virginia University. Dr. Mullin emphasizes the importance of truly listening, so patients feel seen and heard.

Dr. Mullin works collaboratively with his patients to identify their main concerns and to build a treatment plan that feels right for them. He believes treatment should be a shared process in which the patient is empowered and supported in their mental health journey.

Taking a "less is more" approach to medication, Dr. Mullin focuses on minimizing prescriptions while still addressing all of a patient’s needs. His goal is to help patients eventually rely more on therapeutic skills than medication. He views treatment as a partnership—balancing his expertise in psychiatry with each patient's lived experience.

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Dr. Divya Khosla, MD, is a double board-certified Child, Adolescent, and Adult Psychiatrist. She received her undergraduate degree from Case Western Reserve University in Cleveland, Ohio, and her medical degree from Ross University, completing all of her clinicals in Maryland, D.C., and NYC. She completed her adult psychiatry residency at The Ohio State University in Columbus, Ohio. Then she returned to the east coast, where she completed her child and adolescent psychiatry fellowship at Nassau University Medical Center in East Meadow, New York. Dr. Khosla has participated in a variety of innovative academic clinical research, and has presented research at annual national meetings of the American Psychiatric Association. Her robust clinical experience with varying demographics at different clinical sites around the country has allowed her to treat patients in an evidence-based way, tailoring treatment to an individual's specific needs. Although Dr. Khosla's practice focuses on medication management, she also implements supportive therapy and motivational interviewing in sessions to allow for a more comprehensive approach to treatment. Her clinical interests include depression, bipolar disorder, anxiety disorders, post-traumatic stress disorder, panic disorder, and ADHD.