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John Lozier, MD

John Lozier, MD

  • Specialty: Pediatric Interventional Cardiology, Cardiology, Pediatric Cardiology
    View Expertise
  • Primary Location: 5850 Landerbrook Dr (7 mi.)
    Other Locations
  • Languages Spoken: English, Spanish

Office Locations

UH Landerbrook Health Center (7 mi.)

5850 Landerbrook Dr
Ste 240
Mayfield Heights, OH 44124

UH Rainbow Babies & Children's Hospital (0 mi.)

11100 Euclid Ave
Ste 170
Cleveland, OH 44106

UH RBC Perrico Health Center (15 mi.)

4176 State Route 306
Ste 300
Willoughby, OH 44094

UH N Ridgeville Health Center (21 mi.)

32800 Lorain Rd
Ste 2200
North Ridgeville, OH 44039

Biography: John Lozier, MD


  • Pediatric Cardiology
  • Pediatric Interventional Cardiology


  • Program Director, Pediatric Cardiology Fellowship, UH Cleveland Medical Center
  • Medical Director, Cardiac Step-Down, UH Cleveland Medical Center
  • Clinical Assistant Professor, CWRU School of Medicine

Certifications & Memberships

  • Pediatric Cardiology - American Board of Pediatrics


Fellowship | Interventional Cardiology
Interventional Cardiology - C S Mott Children's Hospital (2006 - 2007)

Fellowship | Pediatric Cardiology
Pediatric Cardiology - C S Mott Children's Hospital (2004 - 2007)

Residency | Pediatrics
Pediatrics - Primary Children's Medical Center (2001 - 2004)

Medical Education
University Of Iowa Carver College Of Medicine (2001)

Yale University (1996)


John Lozier, MD, is an interventional cardiologist at The Congenital Heart Collaborative and the Division of Pediatric Cardiology at University Hospitals Rainbow Babies & Children’s Hospital. He joined the UH Rainbow medical staff in 2018.

Board-certified in pediatric cardiology, Dr. Lozier’s special interests include catheter-based therapies for congenital heart defects in children and adults, including closure of patent ductus arteriosus in premature infants and transcatheter pulmonary valve replacement. His research interests include outcomes research and the development of mathematical tools for optimizing cardiac angiography.

Dr. Lozier earned his Bachelor of Science degree in molecular biophysics and biochemistry from Yale University and his medical doctorate at the University of Iowa, College of Medicine. He went on to complete a residency in pediatrics at Primary Children’s Medical Center in Salt Lake City, followed by fellowship training in pediatric cardiology at the University of Michigan in Ann Arbor.

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Industry Relationships

University Hospitals is committed to transparency in our interactions with industry partners, such as pharmaceutical, biotech, or medical device companies. At UH, we disclose practitioner and their family members’ ownership and intellectual property rights that are or in the process of being commercialized. In addition, we disclose payments to employed practitioners of $5,000 or more from companies with which the practitioners interact as part of their professional activities. These practitioner-industry relationships assist in developing new drugs, devices and therapies and in providing medical education aimed at improving quality of care and enhancing clinical outcomes. At the same time, UH understands that these relationships may create a conflict of interest. In providing this information, UH desires to assist patients in talking with their practitioners about industry relationships and how those relationships may impact their medical care.

UH practitioners seek advance approval for certain new industry relationships. In addition, practitioners report their industry relationships and activities, as well as those of their immediate family members, to the UH Office of Outside Interests annually. We review these reports and implement management plans, as appropriate, to address conflicts of interest that may arise in connection with medical research, clinical care and purchasing decisions.

View UH’s policy (PDF) on practitioner-industry relationships.

As of December 31, 2016, John Lozier did not disclose any Outside Relationships with Industry.