Clarissa Lock-O'Hanlon, M.D.
Internal Medicine
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Clarissa Lock-O'Hanlon, M.D.

Internal Medicine

Profile Photo of Clarissa Lock-O'Hanlon, M.D.
Accepts New Patients
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Gender: Female
Language: English


Personal Statement

My love for medicine and primary care stems from a love of working with people. From past experiences helping children with autism to treating veterans at the VA Hospital to serving COVID-19 patients in New York City, I've enjoyed my experiences working with and caring for patients. As a physician I am especially passionate about preventative care and work to provide care integrating the most up-to-date medical guidelines with the personal circumstances of each patient.

Specialties and Expertise


  • Primary Care Internist


  • Internist


Dr. Lock-O'Hanlon is originally from the Los Angeles area. She attended the University of California, San Diego, where she studied Psychology with a Neuroscience focus in addition to her pre-medical studies. She earned her medical degree at the University of Texas School of Medicine at San Antonio and completed her residency in Internal Medicine at Mount Sinai Beth Israel. In her spare time, she enjoys Broadway shows, playing the piano, singing, and exploring the city with her husband and young son.



Clinical and Academic Positions

  • Assistant Attending Physician - NewYork-Presbyterian Hospital
  • Instructor in Medicine - Weill Cornell Medical College, Cornell University

Education and Training

  • M.D., University of Texas Health Science Center, San Antonio, 2017
  • B.S., University of California, 2009


Insurance Plans Accepted

For relevant information regarding accepted insurances, please contact this provider directly.

Locations and Appointments