UF Health Bariatric Surgery Center: Team

The UF Health Bariatric Surgery Center is a certified center of excellence. UF Health fellowship-trained bariatric surgeons collaborate with UF Health experts from psychiatry, cardiology, pulmonology, medicine, nephrology, endocrinology and nutrition as they strive to identify and resolve the extensive health problems associated with morbid obesity.

Bariatric Team

Jeffrey FriedmanJeffrey Friedman, MD
Director and Bariatric Surgeon
Crystal Johnson-Mann, MDCrystal Johnson-Mann, MD
Bariatric Surgeon
  • Gwen Crispell, MSN, RN, CBN
    Metabolic and Bariatric Nurse Coordinator
  • Tamara Lux, PA-C
    Physician Assistant
  • Stephanie Stevens
    Clinical Coordinator
  • Kathy Rodriquez
    Clinical Coordinator
  • Alba Osorio, MS, RD, LD/N
    Registered Dietitian
  • Kyle Hazen, RD, LD/N, CDCES
    Registered Dietitian

Anesthesia & Critical Care



Neurology/Sleep Medicine

Nutritional Services

  • Meagan Lamothe, MS, RD, LPN
  • Alba Osorio, MS, RD, LD/N

Pediatric Endocrinology

Pediatric Surgery

Plastic Surgery


  • Allison Holgerson, Ph.D.