Back to directory
Prefusion Health
A longevity clinic for body composition, metabolism, hormones, recovery, and performance.
Bellmore, NY
Contact Information
About
Prefusion Health operates clinics in Manhattan, Bellmore, and Stony Brook. Care plans begin with measurements and are updated through retesting. Physicians, dietitians, health coaches, and strength and conditioning coaches review results with patients in person. The practice offers appointments and memberships.
Services
- DEXA Body Scan
- RMR Metabolic Test
- VO2 Max Test
- The Prefusion Protocol
- Prefusion Protocol Plus
- Metabolic Reset
- Flex Pack
- Optimization Pack
- Optimization Plus
- Therapy Entry Visit
- Prefusion Membership
- Hormone therapy and TRT
- GLP-1 Weight Loss Program
- Peptide Therapy
- IV Therapy
Team
Checked Date: Oct 16, 2026B
Bryan Jonas
Founder
Runs the practice across three New York locations and participates in consultations.
M
Matanel Kaplan
Chief Operating Officer
M
Mark Delannoy
Health Associate
J
Jake Kleve
Health Associate