Clinician Headshot

Leo Sullivan

Counseling LS Performance Mental Health Counseling
Specialties: Anxiety, Depression, Trauma, Sports Performance, Anger Management,
Insurance: Oxford, Blue Shield, Cigna, United Healthcare, NYSHIP,

Introduction

Leo Sullivan is a counselor specializing in sports and performance psychology, dedicated to helping athletes, performers, and driven professionals unlock their full potential. With a Master of Arts in Mental Health Counseling and Wellness from New York University and a Doctor of Education in Sports and Performance Psychology from the University of Western States, Leo blends clinical expertise with firsthand athletic experience to deliver results that are both measurable and transformative. As a former Division I athlete and professional football player, Leo knows what it takes to perform under pressure. He understands the mental resilience, focus, and discipline required to succeed at the highest levels—and he brings that insight directly to his clients. His evidence-based strategies are designed not only to sharpen performance but also to strengthen confidence, reduce anxiety, and promote overall well-being. Leo’s professional experience includes working with both collegiate and professional athletes, notably supporting members of the Long Island Nets. In these roles, he has helped athletes sharpen their focus, reduce performance anxiety, boost motivation, and develop positive body language. Whether you’re an athlete striving for peak performance, a professional navigating high-stakes environments, or someone seeking to build resilience and confidence, Leo provides customized solutions that empower you to thrive. His approach combines psychological science with real-world sports experience—helping clients perform at their best while maintaining balance and mental health.

GENDER Male
PRONOUNS He/Him/His
RACE & ETHNICITY Black/African American

Connect

Highlights

  • Accepting new clients
  • In-person & telehealth appointments
  • Accepts insurance

Licenses

  • LMHC #015578 (NY)
  • LPC #008819 (CT)
  • LMHC #MH26718 (FL)
  • LPC #100383 (TX)

Specialties

Additional focus areas


Treatment Approaches


Population focus

Appointment types

  • Individuals
  • Coaching

Age groups

  • Children (6-12)
  • Teenagers (12-18)
  • Young Adults (18-24)
  • Adults (24+)

Payment options

Pay with insurance

Leo Sullivan accepts these insurance providers. What you pay depends on your plan.
  • Oxford
  • Blue Shield
  • Cigna
  • United Healthcare
  • NYSHIP
  • Emblem Health

Pay out-of-pocket

Leo Sullivan has not provided out-of-pocket fees. Get in contact for more information.

Locations

LS Performance Mental Health Counseling
Hicksville, NY 11801-3636
Video Office

Professional Information

Education

  • Master's Degree, Mental Health Counseling - New York University
  • Doctoral Degree, Sports and Performance Psychology - University of Western States

Frequently asked questions

Is Leo Sullivan accepting new clients and do they offer online appointment requests? Leo Sullivan is currently accepting new clients but has not enabled online booking.
Does Leo Sullivan offer telehealth appointments? Leo Sullivan does offer telehealth appointments.
What areas does Leo Sullivan specialize in? Leo Sullivan specializes in the following areas: Anger Management, Anxiety, Depression, Mindfulness, Sports Performance, Trauma, and Burnout.

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