Mark Colterjohn(He/Him/His)

Mark Colterjohn is a Licensed Clinical Social Worker in the Flatiron District of Manhattan who specializes in anxiety, depression, trauma, substance use challenges, and relationships. He has a strong interest and extensive background in addiction and recovery.

Mark is a relational therapist who utilizes a number of different solution-focused and goal-oriented modalities, including Internal Family Systems (IFS), Gestalt Therapy, and EMDR. He works with his clients to better understand how their past experiences have informed who they are today and how they interact with the world around them. He also spends time finding the root cause before focusing on behavioral changes and coping strategies. What triggers a client and how often does this happen? For clients who are interested in medication, Mark will work closely with a psychiatrist to ensure all of their needs are being met.

With over two decades of experience, Mark is committed to providing his clients with the highest level of care. He tailors his treatments to each individual and is there to support them on their path towards healing. His office is conveniently located at 21st Street near 5th avenue.