Ziv Ezra Cohen, M.D.

Copyright Principium Psychiatry, PLLC. All rights reserved. 

Manhattan TMS 

"The suite in which I received the treatment was comfortable and welcoming. I was able to relax during the treatments and each time I left, I felt more at peace."
​- Jean

Ketamine Therapy Testimonials

@ Principium Psychiatry

*Patient names have been changed in order to preserve privacy. 

"I am so thankful to Dr. Cohen and his team! Thanks to them and the Ketamine treatment, I'm feeling better than I have in years. I was pleasantly surprised that there were no side effects."
- Matthew

"Dr. Cohen and his team are so fantastic! They did everything they could to make me feel comfortable, and I started feeling better after the first dose of Ketamine!"

- Lindsey