John Mutziger, LMHC, CST

John Mutziger is a Licensed Mental Health Counselor and an AASECT Certified Sex Therapist.


John believes that our sexual self has the power to transform.  His intention is to facilitate a deeper understanding of one’s sexuality to promote self-actualization and support healthy interpersonal relationships.  John is LGBTQ+ affirmative, poly-inclusive, and kink-aware.  He applies a sex-positive approach to therapy. 


John supports individuals, couples, and families in dealing with a multitude of issues; he often helps adults, young adults, and relationships enduring crisis situations.  His work as a therapist focuses on enhancing sexual pleasure and refining relationship skills.  He has also achieved Levels 1 and 2 of the Gottman Couples Therapy Method. 

John works with clients to improve sexual functioning and is qualified to help individuals experiencing issues related to desire discrepancies, erectile difficulties, early or delayed ejaculation, orgasmic dysfunctions, relationship norm violations (ex affairs), cyber infidelity, and divorce.  John has developed an expertise in working with sexual addiction, sexual compulsivity, and out of control sexual behaviors.  He uniquely addresses concerns about sexuality that stem from, or overlap with, trauma and addiction.  He also has a particular ability to connect with young adults navigating personal identities, sexual orientations, relationship dynamics, and life transitions. 


John is a member in good standing of the New York Mental Health Counselors Association (NYMHCA), the Western Suffolk Counselors Association (WSCA), the American Mental Health Counselors Association (AMHCA), and the American Association for Sexuality Educators, Counselors, and Therapists (AASECT). 

Gender Pronouns and Titles:

He/Him/His, Mr.


I can say with conviction that John is one of the best therapists I have had. ~DN

John Mutziger was very professional and offered great service. ~MJ

I was nervous going in but John was easygoing and somehow made me feel much more comfortable. ~JA

Felling normal about something I’ve been scared to name for years could only have happened with John. He is so easy to talk to and doesn’t judge at all. I found a lot of peace in meeting with him. Thank you. ~IG