Sports Medicine

Meet Our Team

The experts on our Johns Hopkins All Children's Sports Medicine team treat high-performing young athletes throughout the Tampa Bay area and Central Florida.

Sports Medicine Leadership

Medical Director

Philip Mularoni, M.D. Sports Medicine

Dr. Mularoni is a sports medicine physician at Johns Hopkins All Children’s Hospital. His current research interests include concussion management and prognosis in patients with mild traumatic brain injuries. He is the chairman of the Medical Emergency Committee and lectures internationally on pediatric emergency and sports related topics.
View Philip’s Bio

Sarah Irani, M.D. Sports Medicine

Sarah Irani, M.D., has joined All Children’s Specialty Physicians and the AllSports Medicine program at Johns Hopkins All Children’s Hospital. During her fellowship, she served as part of the physician team providing coverage for athletic teams at the University of South Florida and Eckerd College as well as youth and NCCA events.
View Sarah’s Bio

Philip Mularoni, M.D. Sports Medicine

Dr. Mularoni is a sports medicine physician at Johns Hopkins All Children’s Hospital. His current research interests include concussion management and prognosis in patients with mild traumatic brain injuries. He is the chairman of the Medical Emergency Committee and lectures internationally on pediatric emergency and sports related topics.
View Philip’s Bio

Carlos Rodriguez, M.D. Sports Medicine

Dr. Rodriguez is a sports medicine physician at Johns Hopkins All Children’s Hospital. He completed a fellowship in Sports Medicine at Bayfront Medical Center.
View Carlos’s Bio
Ryan G. Ross, MS, LAT, ATC

Ryan G. Ross, MS, LAT, ATC Head Athletic Trainer

Ryan sees athletes at the following locations:

  • The Out-of-Door Academy Athletic Trainer, Lakewood Ranch, FL
  • Primary Care Sports Medicine Clinics Main Campus & IMG Academy

Masters of Science in Pediatric & Adolescent Sports Medicine (University of South Florida) 2013, Tampa FL
Bachelor of Science in Athletic Training & Exercise Science (Missouri Valley College) 2007, Marshall MO



Nicole Calhoun, MS, LAT, ATC, PES Certified Athletic Trainer

Nicole sees athletes at the following locations:

  • Bradenton Christian School Athletic Trainer, Bradenton, FL
  • Primary Care Sports Medicine Clinics, Main Campus & IMG Academy

Masters of Science in Exercise & Nutritional Sciences (University of Tampa) 2017
Bachelor of Science in Athletic Training (Lock Haven University) 2011



Christine Chmielewski, LAT, ATC

Christine Chmielewski, LAT, ATC Certified Athletic Trainer

Christine sees athletes at the following locations:

  • Primary Care Sports Medicine, Main Campus, Sarasota, & IMG Academy
  • Orthopedics, Sarasota & IMG Academy

Bachelor of Science in Health, Athletic Training and Sports Medicine (University of North Florida) 1999, Jacksonville FL



Brett Lang, MS, LAT, ATC

Brett Lang, MS, LAT, ATC Certified Athletic Trainer

Brett sees athletes at the following locations:

  • Indian Rocks Christian School Athletic Trainer, Largo, FL
  • Primary Care Sports Medicine Clinics, Main Campus

Masters of Science in Athletic Training (East Stroudsburg University) 2016, East Stroudsburg PA
Bachelor of Science in Athletic Training (Rowan University) 2015, Glassboro NJ



Erin Roca, MS, LAT, ATC, CSCS

Erin Roca, MS, LAT, ATC, CSCS Certified Athletic Trainer

Erin sees athletes at the following locations:

  • Primary Care Sports Medicine, Main Campus, Eastlake, Pasco, IMG Academy

Masters of Science in Applied Physiology & Kinesiology (University of Florida) 2012, Gainesville FL
Bachelor of Science in Athletic Training (University of Florida) 2010, Gainesville FL



Raena Steffen, MS, LAT, ATC, CKTP, ITAT

Raena Steffen, MS, LAT, ATC, CKTP, ITAT Certified Athletic Trainer

Raena sees athletes at the following locations:

  • Primary Care Sports Medicine, Main Campus & Brandon
  • Orthopedics, Main Campus, East Lake, Pasco, Brandon

Masters of Science in Athletic Training (University of South Florida) 2013, Tampa FL
Bachelor of Science in Athletic Training & Minor in Public Health (University of South Florida) 2009, Tampa FL