Overview
Dr. Marissa B. McCay, MD is a Sports Medicine physician who specializes in the non-operative management of musculoskeletal conditions and sport-related concussion in children and adults. Dr. McCay is completing her Sports Medicine fellowship at Boston Children’s Hospital, a Harvard Medical School Teaching Hospital, in July 2025 and will be joining Columbia Orthopedics thereafter.
Dr. McCay finds fulfillment in treating athletes of all ages and all abilities. She completed her residency in Pediatrics at Nemours Children’s Hospital/Thomas Jefferson University. She then was a Pediatric Hospitalist at The Children’s Hospital of Philadelphia and has also been a General Pediatrician prior to her Sports Medicine fellowship. Additionally, she completed a fellowship in Spinal Cord Injury Medicine at The Mount Sinai Hospital and has experience in treating athletes involved in adaptive sports. Dr. McCay enjoys sideline management and has served as the Team Doctor for two Massachusetts high school football teams, UMass Boston Women’s Ice Hockey, and UMass Boston Women’s Lacrosse. She also has covered the Boston Ballet both in the training room and as the covering physician for major performances.
Having grown up playing soccer, Dr. McCay is an avid sports fan and especially loves attending NWSL, WNBA, and NY Yankees games in her free time with her family. She also has a passion for running and has recently discovered a love for tennis. Dr. McCay believes in the multitude of benefits of exercise and strives to help patients to continue to enjoy an active lifestyle.
Areas of Expertise / Conditions Treated
- Orthopaedic Sports Medicine
- Pediatric Orthopedics
Academic Appointments
- Assistant Professor of Orthopedic Surgery at CUMC
Gender
- Female
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Location(s)
Insurance Accepted
Affinity Health Plan
- Essential Plan
- Medicaid Managed Care
Amida Care
- Special Needs
Cigna
- EPO
- Great West (National)
- HMO
- Medicare Managed Care
- POS
- PPO
Emblem/GHI
- Medicare Managed Care
- PPO
Emblem/HIP
- ConnectiCare
- EPO
- Essential Plan
- HMO
- Medicaid Managed Care
- Medicare Managed Care
- POS
- PPO
- Select Care (Exchange)
- Vytra
Empire Blue Cross/Blue Shield
- EPO
- HMO
- Medicare Managed Care
- PPO
Empire Blue Cross Blue Shield HealthPlus
- Child/Family Health Plus
- Essential Plan
- Medicaid Managed Care
Fidelis Care
- Child/Family Health Plus
- Essential Plan
- Medicaid Managed Care
- Medicare Managed Care
Healthfirst
- Child/Family Health Plus
- Leaf (Exchange)
- Medicaid Managed Care
- Medicare Managed Care
MagnaCare (National)
- MagnaCare
Medicare
- Traditional Medicare
MVP Health Care
- Child/Family Health Plus
- Essential Plan
- HMO
- Medicaid Managed Care
RiverSpring
- Special Needs
UnitedHealthcare
- Compass (Exchange)
- Empire Plan
- HMO
- Medicaid (Community Plan)
- Medicare Managed Care
- Oxford Freedom
- Oxford HMO
- Oxford Liberty
- POS
WellCare
- Medicaid Managed Care
World Trade Center Health Plan
- World Trade Center Health Plan
Credentials & Experience
Education & Training
- MD, Sidney Kimmel Medical College at Thomas Jefferson University
- Residency: Nemours Children’s Hospital/Thomas Jefferson University
- Fellowship: Spinal Cord Injury Medicine, Mount Sinai Hospital
- Fellowship: Sports Medicine, Boston Children’s Hospital, Harvard Medical School