Michael Underriner, MD

Dr. Seth Sherman is a board-certified adult psychiatrist who has been in practice for over ten years. At the heart of Dr. Sherman's clinical approach is a strong emphasis on establishing trust, rapport, and therapeutic alliance to help persons to feel and live well and to progress toward their goals, both in treatment and in life. Dr. Sherman begins with consultation, a compassionate, collaborative process of discovery that culminates in a working diagnostic impression and, in turn, treatment recommendations. For those with whom he engages in a treatment relationship, Dr. Sherman provides psychoeducation, medication management, and individual psychotherapy, this last modality predominantly drawing from both psychodynamic and behavioral psychological models to tailor treatment to each patient. On some occasions, Dr. Sherman may believe that additional therapy is needed and ask that you bring a therapist into your care team to provide the best outcome. Dr. Sherman received his medical degree from Stanford University and went on to complete his residency in psychiatry at Harvard University. After completing training, he cultivated a private practice of psychiatry in San Francisco, California, treating persons with a variety of psychiatric illnesses, while also providing consultation and clinical supervision to psychotherapists in day-treatment and office-based practices. Next, Dr. Sherman served as a psychiatry professor at the Florida Atlantic University Charles E. Schmidt College of Medicine in Florida, where, as Associate Director of the Psychiatry Residency Training Program, he provided psychiatric inpatient treatment while bringing leadership, scholarship, teaching, supervision, and mentoring to psychiatry residents and medical students. Most recently, Dr. Sherman worked as a senior medical officer/consultant psychiatrist in New Zealand's public health system, serving local communities with expert diagnosis and treatment for a wide range of mental health conditions. He also continued to supervise U.S.-based psychiatrists, along with New Zealand psychotherapists, in advanced and complex clinical psychopharmacology and psychotherapy.

Tamara Lazenby, MD is a board-certified psychiatrist with more than 20 years of clinical and academic experience in emergency mental health, disaster response, and trauma-focused care. She earned her undergraduate degree at George Mason University and completed her medical degree at Eastern Virginia Medical School. After the September 11th attacks, Dr. Lazenby trained in psychiatry at New York Medical College’s Saint Vincent’s Hospital, specializing in emergency and trauma psychiatry.

She previously served as Associate Director of Wellness & Emergency Response Services at New York University’s Student Health Center, leading a team that cared for more than 50,000 global NYU students. Dr. Lazenby also previously served as Staff Psychiatrist and Team Lead for the Combat PTSD Clinical Team at the Hampton VA Medical Center, providing care for veterans with service-related trauma and implementing National VA Standards of Care.

Dr. Lazenby believes healing happens when mind, body, and spirit are aligned. She creates a compassionate and collaborative environment where patients feel deeply heard and empowered in their own care. Her approach blends conventional psychiatric treatment with nutrition, mindfulness, movement, and stress-reduction strategies to support long-term mental wellness.  She values authenticity, open communication, and shared decision-making, empowering patients to build resilience and restore balance in their lives.

She begins with a comprehensive assessment exploring medical, psychological, and lifestyle factors that influence mental health. Treatment plans are personalized and may include psychotherapy, targeted laboratory testing, lifestyle modifications, supplements, and medication when appropriate. Dr. Lazenby works closely with patients to restore balance, resilience, and overall well-being through a truly integrative approach. Regular collaboration and feedback, helping patients heal, grow, and thrive.

Dr. Crump is a board-certified psychiatrist at Talkiatry. She is from Kentucky and completed her undergraduate studies at Murray State University. She obtained her medical degree from University of Kentucky College of Medicine and completed her psychiatry residency training at University of Louisville School of Medicine. Afterwards, she completed a fellowship in child and adolescent psychiatry at Medical University of South Carolina.

Dr. Crump has experience in a wide range of diagnoses and patient populations, with particular interest in anxiety, depression, PTSD, substance use disorders as well as the child and adolescent, college, BIPOC, and LBGTQIA+ populations.

Dr. Crump believes in the importance of getting to know each patient as a whole and of understanding the unique experiences that bring them to treatment. She collaborates with her patients to create personalized treatment plans and considers both medication and non-medication options.

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Dr. Michael Locher completed Adult Psychiatry Residency Training at Los Angeles County, University of Southern California in which he focused two years of training in conducting Mindfulness Based Cognitive Therapy. Dr. Locher received his Bachelor of Science Undergraduate degree in 3 years with Phi Beta Kappa honors at University of Miami, Florida. In medical school at Stony Brook School of Medicine in New York, Dr. Locher was inducted into the Gold Humanism Honor Society while earning his Doctor of Medicine (MD) degree. Dr. Locher has held academic appointments at University of Southern California Keck School of Medicine, College of Osteopathic Medicine of the Pacific Western University of Health Sciences, and Ventura Community Memorial Health System Psychiatric Residency Training Program. He has an in interest working with immigrants and LGBTQ+ communities.  

Dr. Locher’s approach to medication management is that it is one tool to be used in the broader context of a multi-modal evidence-based treatment approach that draws upon psychotherapy, mindfulness skills, Buddhist psychology, psychedelic AKA “mind manifesting” studies, yoga philosophy, and other integrative practices. He understands that healing is an individualized process that cannot unfold without a safe space. Dr. Locher is dedicated to holding an approachable, empathic space where you can feel empowered to write the next chapter of your life.  

Dr. Locher is well versed in treating the full spectrum of mental illness. Having worked on multidisciplinary teams in acute inpatient psychiatric hospital settings, psychiatric emergency rooms, and mental health urgent cares for the better part of 10 years, he is comfortable helping with not just mild to moderate illness, but also the most severe cases of mental illness. Dr. Locher is especially motivated to work with you to maintain stability, avoid hospitalization, and more broadly, to achieve wellness.

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Dr. Stephen Cox earned his medical degree and completed his residency at the University of Toledo Medical College. He is a board-certified psychiatrist with over 20 years of experience providing care in outpatient, inpatient, university health, nursing home, and correctional settings. He has developed treatment relationships with patients from diverse backgrounds, enriching his clinical knowledge and informing his decision-making. Outside of work, he enjoys spending time with his family, hiking, and listening to music.

Patients working with Dr. Cox can expect a relationship grounded in respect, empathy, and collaboration. He prioritizes listening carefully, creating a safe space to share thoughts and history without judgment.

Early sessions involve a thorough assessment of symptoms, life circumstances, medical history, and personal goals. Dr. Cox collaborates with patients to balance therapy, lifestyle adjustments, and medication. He regularly reviews progress and adjusts care based on feedback, ensuring patients feel understood as whole individuals. The treatment relationship is a partnership that promotes healing, growth, and well-being.

Dr. Parker Loy holds the position of Staff Psychiatrist at Talkiatry. After finishing undergraduate studies at the University of Tennessee, Knoxville, he completed the University of Tennessee Health Science Center (UTHSC) Master of Science program before enrolling in medical school at the same institution. After graduating from medical school, he completed his residency at UTHSC, during which he trained in a variety of inpatient and outpatient settings and treated a broad spectrum of mental health conditions. He enjoys treating a wide variety of conditions, including mood and anxiety disorders. Therapeutic techniques are incorporated into medication management visits when indicated, and collaboration with therapists may also be recommended.