Dr. Choy has been in private practice since 2004. She is the President of the Orange County Psychiatric Society and a Distinguished Fellow of the American Psychiatric Society.  She was honored by the Orange County Medication Association with the Physician of Excellence Award in 2016. She is an Associate Clinical Professor of Psychiatry on volunteer faculty at the Department of Psychiatry and Human Behavior at University of California, Irvine.

Dr. Choy has an exceptional educational and clinical background that guides her treatment of a wide range of psychiatric disorders, with specialization in anxiety disorders. Dr. Choy is board certified in general adult psychiatry by the American Board of Psychiatry and Neurology


Dr. Choy was a Philip Evans Scholar at Swarthmore College in Pennsylvania, where she received a full scholarship to completed her Bachelor of Arts, and graduated with Distinction.  She was inducted into two National Honors Society at graduation, Phi Beta Kappa and Sigma Xi Scientific Research Society. She was the recipient of several distinguished awards at Swarthmore College, including the Lucretia Mott Fellowship in Medicine and the Murry Bergtraum Medical Scholarship.  After college, she attended medical school at Cornell University Medical College in New York. She received the Richard N. Kohl Prize for Excellence in Psychiatry as a medical student at graduation. She was also named the Louis and Rachel Rudin Scholar to conduct research as a medical student at the Memorial Sloan-Kettering Cancer Center. 


Dr. Choy completed a general adult psychiatry residency at New York University (NYU) Medical Center and Bellevue Hospital, New York. She was appointed the chief resident in the residency program, during which time, she was responsible for educating psychiatry residents and NYU medical students. She also co-led the inpatient psychiatry unit at Tisch Hospital of NYU Medical Center. During the 911 World Trade Center disaster in 2001, she was part of the Bellevue Hospital disaster relief team where she provided crisis intervention and counseling to grieving family members, volunteers, firefighters and police officers at ground zero.


Following her residency training, Dr. Choy went on to conduct clinical research in anxiety disorders at Columbia University, New York, where she completed a Post-Doctoral Research Fellowship in Affective and Anxiety Disorders. She worked closely with renowned experts and research leaders in the field of anxiety disorders, including Dr. Abby J. Fyer, Dr. Franklin R. Schneier and Dr. Richard G. Heimberg. As research fellow, she
participated (as a psychiatrist or cognitive behavioral therapist) in research treatment programs in Social Anxiety Disorder, Generalized Anxiety Disorder, Post-Traumatic Stress Disorder, Panic Disorder, Specific Phobia and Obsessive Compulsive Disorder, at the Anxiety Disorders Clinic of the New York State Psychiatric Institute


Dr. Choy completed advanced training in cognitive behavioral therapy at the Beck Institute and is credentialed by the Academy of Cognitive Therapy.  She received personal expert training from Dr. Richard Heimberg in cognitive behavioral therapy for social anxiety disorder.  She has attended numerous workshops and conferences related to cognitive behavioral therapy. 


American Psychiatric Association (APA) (1998 to present): Dr. Choy is a Distinguished Fellow of the American Psychiatric Association, and has been an active member of the APA for 19 years.  She was appointed to the APA Committee of Asian-American Psychiatrists (2005-2008) where she was involved in public education of mental illness and advocacy of mental health services for the under-served Asian-American population.

Orange Country Psychiatric Society (OCPS) (2006 to present):  Dr. Choy is the President of OCPS (2016-2018), a District Branch of the American Psychiatric Association. When the Fifth Edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) was released by the APA in May 2013, Dr. Choy was designated by the APA as a DSM-5 trainer for the local branch. She has since provided trainings on the use of DSM-5 to mental health professionals in Orange County, including psychiatrists at the OCPS, psychiatric residents at the University of California Irvine Medical Center and psychologists at the Counseling Center on campus at University of California, Irvine. 


Clinical Instructor, Dept of Psychiatry, NYU School of Medicine  (2003-2004)

Assistant in Clinical Psychiatry, Dept of Psychiatry, Columbia University (2004-2006) 

Attending Psychiatrist, New York Presbyterian Hospital - Columbia (2004-2006)

Attending Psychiatrist, New York State Psychiatric Institute (2004-2006)

Associate Clinical Professor of Psychiatry (volunteer faculty), Dept of Psychiatry and Human Behavior, UCI (2007 to June 2017, Assistant Clinical Professor; June 2017, Associate Clinical Professor)


Dr. Choy has been working in the field of college mental health since 2006. She is the Chief Psychiatrist at the University of California, Irvine (UC Irvine), Counseling Center. She currently serves as chair of the Lead Psychiatrists group at the University of California campuses.  She was presented with the Staff Appreciation and Recognition Award (STAR) award in 2013 for her outstanding work as psychiatrist and her role as Interim Clinical Director of the Counseling Center in 2012-2013.  At the Counseling Center, Dr. Choy works with a team of mental health professionals to provide psychiatric services to undergraduates, graduates and medical students at UC Irvine. 

Dr. Choy is certified in QPR (Question, Persuade, Refer) training for suicide prevention on campus and provides QPR training to faculty and staff at UC Irvine.  

Dr. Choy is on the volunteer faculty of the Department of Psychiatry and Human Behavior at UC Irvine as Assistant Clinical Professor of Psychiatry. She participates in teaching of the psychiatry residents at UC Irvine, including providing the core lectures on CBT and anxiety disorders. 


Choy, Y. (2006) The Anxious Patient. In: On Call Psychiatry.  C Bernstein, Z Levin, M Poag, and M Rubinstein (editors), 3rd Edition. Elsevier publishing.

Choy, Y. (2006) Telephone Consultation. In: On Call Psychiatry
C Bernstein, Z Levin, M Poag, and M Rubinstein (editors), 3rd Edition. Elsevier publishing

Choy, Y., AJ Fyer and RD Goodwin.(2007) Specific Phobia and Depression: A Closer Look at the NCS Data. Comprehensive Psychiatry. 48 (2): 132-6

Choy, Y., AJ Fyer and JD Lipsitz. (2007) Treatment of Specific Phobia in AdultsClinical Psychology Review. 27 (3): 266-286

Choy, Y., FR Schneier, RG Heimberg, KS Oh, ML Liebowitz (2007) Features of the Offensive Subtype of TaijinKyoFusho in U.S. and Korean Patients with DSM-IV Social Anxiety Disorder. Depression and Anxiety 0: 1-11

Choy. Y. (2007) Managing Side Effects of Anxiolytics. Primary Psychiatry. 14 (7): 68-76

Choy, Y., ED Peselow, BG Case, MA Pressman, JA Luff, G Laje, M Paizis, P Ying, MT Guardino. (2007). Three-year Medication Prophylaxis of Panic Disorder: To Continue or Discontinue? A Naturalistic Study. Comprehensive Psychiatry. 48: 419-425

Choy, Y. (Feb 2008) Treatment Planning for Panic Disorder: Evidence Based Treatments. Special Report. Psychiatric Times. 25 (2): 40

Kinoshita Y, Chen J, Rapee RM, Bogels S, Schneier FR, Choy Y, Kwon JH, Liu X, Schramm E, Chavira DA, Nakano Y, Watanabe N, Ietzugu T, Ogawa S, Emmelkamp P, Zhang J, Kingdon D,, Nagata T, Furukawa TA. (2008) Cross-Cultural Study of Conviction Subtype Taijin Kyofu: Proposal and Reliability of Nagoya-Osaka Diagnostic Criteria for Social Anxiety Disorder. Journal of Nervous and Mental Disease. 196: 307-313

Choy, Y. FR Schneier. (2008). New and recent drugs for Anxiety Disorders.
Primary Psychiatry. 50 (12): 50-56

Choy, Y. (2012-present). Acute Procedure Anxiety in Adults: Epidemiology and Clinical Presentation. In Basow, DS (Ed) UpToDate, Waltham, MA.

Choy, Y. (2012-present). Acute Procedure Anxiety in Adults: Course, Screening, Assessment, and Differential Diagnosis. In Basow, DS (Ed) UpToDate, Waltham, MA.

Choy, Y. (2012-present). Treatment of Acute Procedure Anxiety in Adults. In Basow, DS (Ed) UpToDate, Waltham, MA.

Choy, Y. (2012-present). Treatment of Specific Phobias of Medical and Dental Procedures. In Basow, DS (Ed) UpToDate, Waltham, MA.


Attention Deficit Hyperactivity Disorder (ADHD): Case Presentation and Update.  Grand Rounds with PGY-II psychiatry residents. NYU Medical Center, New York.   Spring 2002.

Depression in the Asian-American Community. Expert Lecturer, Asian Pacific American Medical Student Association (APAMSA) Conference, Washington D.C., Nov 2003.

Specific Phobia: An Overview. Grand Rounds, Manhattan Psychiatric Center, New York, Feb 2004.

Three Year Medication Prophylaxis in Panic Disorder: To Continue or Discontinue? Scientific Session with Eric Peselow. APA Conference, New York. May 2004.

Social Anxiety Disorder: Presentation and Treatment. Lecturer. New School University Counseling Services. New York. Sept 2005.

Uncovering the Secret: Intimate Partner Violence Among Asian-Americans. Presenter with the APA Committee of Asian-American Psychiatrists. APA Conference. San Diego. May 2007.

When Life Seems Unbearable: Recognizing and Getting Help for Depression. Workshop presentation to staff and faculty members at University of California, Irvine. Sept 19th, 2007.

DSM-5 Training.  Training provided to psychiatric members of the Orange County Psychiatric Association, Irvine in June 2013.

DSM-5 Training. Training provided to professional counseling staff at the University of California, Irvine Counseling Center in August 2013.

DSM-5 Mood Disorders Update. St. Joseph Hospital's Behavioral Health Services Bipolar Symposium. October 2013.