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Dallas Hamlin

Assistant Professor of Clinical Psychiatry
Department: Psychiatry

Contact information
Education:
BS (Biochemistry and Psychology)
Juniata College, 2017.
MD
Penn State College of Medicine, 2021.
Post-Graduate Training
Psychiatry Resident, Penn State Health Milton S. Hershey Medical Center, 2021-2025.
Psychiatry Fellow, National Neuroscience Curriculum Initiative, 2022-2023.
Psychoanalytic Fellow, Washington Baltimore Center for Psychoanalysis, 2024-2025.
Consultation-Liaison Psychiatry Fellow, Beth Israel Deaconess Medical Center, 2025-2026.
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Selected Publications

Wilson JE, Oldham MA, Francis A, Perkey D, Kramer E, Jiang S, Yoon J, Beach S, Fricchione G, Gunther M, Ha J, Luccarelli J, Rosen J, Hamlin D, Dragonetti JD, Gerstenblith A, Stewart AL, Sole J, Bourgeois JA.: Catatonia: American Psychiatric Association Resource Document. Journal of the Academy of Consultation-Liaison Psychiatry 66(4): 277-299, Jul 2025 Notes: DOI: 10.1016/j.jaclp.2025.05.001.

Volpe M, Hamlin D, Batchelder E, Mormando C, Francis A.: High-Dose Flumazenil and Caffeine to Facilitate Electroconvulsive Therapy in Malignant Catatonia. The Journal of ECT Page: 1-2, Jun 2025 Notes: doi: 10.1097/YCT.0000000000001165.

Mahgoub Y, Hamlin D, Kindt H, Francis A.: Catatonia and autism spectrum disorder: A common comorbid syndrome or a core feature? World Journal of Psychiatry 15(5): 103967, May 2025 Notes: DOI: 10.5498/wjp.v15.i5.103967.

Rahman Z, Hamlin D, Mahgoub Y.: Case Report: Melancholia Agitata Improving on Olanzapine. Penn State Department of Psychiatry and Behavioral Health Apr 2025 Notes: Poster Presentation.

Rimawi, M., & Hamlin, D.: Xylazine: A review of intoxication, overdose, and withdrawal symptoms. American Journal of Psychiatry Residents Journal 20(3): 11-13, Mar 2025 Notes: https://doi.org/10.1176/appi.ajp-rj.2025.200303.

Mahgoub Y, Pathare A, Hamlin D, Kindt H, Francis A.: Mannerisms and stereotypies in catatonia: beyond simple motor movements. Frontiers in Psychiatry 15: 1435719, Sep 2024 Notes: DOI: 10.3389/fpsyt.2024.1435719.

Mahgoub Y, Pathare A, Hamlin D, Gomaa H, Nutting S, Mormando C, Francis A.: Catatonia and melancholia interface: exploring a new paradigm for evaluation and treatment. A case series and literature review. Frontiers in Psychiatry 15: 1372136, Mar 2024 Notes: DOI: 10.3389/fpsyt.2024.1372136.

Low Dose Clozapine Associated with Rapid and Marked CPK Elevation: A Case Report: Kindt H, Hamlin D, Francis A. Pennsylvania Psychiatric Society Jan 2024 Notes: Poster Presentation.

Santana M, Hamlin D, Rodriguez D, Francis A.: Barriers to Psychiatric Care and Placement in Patients with ASD Presenting to the ED for Behavioral Health Concerns. Pennsylvania Psychiatric Society Jan 2024 Notes: Poster Presentation

Rahman Z, Hamlin D, Mahgoub Y.: Case Report: Melancholia Agitata Improving on Olanzapine. Pennsylvania Psychiatric Society Jan 2024 Notes: Poster Presentation

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Last updated: 06/16/2026
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