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Ravindra Kolaventy, MD, FACC, is a board-certified cardiologist at Florida Hearts, which has three locations in Chiefland, The Villages, and Ocala, Florida. Dr. Kolaventy has over 30 years of experience practicing medicine and is dedicated to sharing his refined expertise with individuals living in and around Marion County. 

Dr. Kolaventy earned his bachelor's degree in medicine from Jawaharlal Institute in Pondicherry, India. He then went on to earn his Doctor of Medicine at Kakatiya Medical College, located in Warangal, India. He then completed his internal medicine internship and residency and his cardiology fellowship at Harlem Hospital Center in New York City through the College of Physicians and Surgeons of Columbia University. 

At Florida Hearts, Dr. Kolaventy takes great pride in providing exceptional care to every patient. He is a deft communicator, who speaks English, Spanish, and Telugu, and takes great pride in educating his patients so they can manage their cardiovascular health more effectively. 

Dr. Kolaventy is currently affiliated with West Marion Community Hospital and Ocala Regional Medical Center. 

April Mieswinkel, NP, is a dedicated nurse practitioner who brings a wealth of experience and compassion to her role at One World Pediatrics in Longwood, Florida. Graduating from the University of Missouri-Kansas City's Master of Science Nursing program, April is a nationally certified nurse practitioner with a strong commitment to providing quality care to her patients.

April's professional journey spans over 15 years, during which she worked tirelessly in a rural family medicine clinic in Southwest Missouri. Her experience in this diverse setting equipped her with invaluable skills in caring for patients of all ages, particularly in pediatric care.

In her professional practice, April's interests lie in ADD/ADHD management, behavioral concerns in pediatric patients, and advocating for the well-being of her young patients. She is deeply committed to providing comprehensive care that addresses not only the physical but also the emotional and developmental needs of each child under her care.

Raised in Longwood, April recently returned to Central Florida with her husband Ron and their four children, Flint, Camden, Emmaline, and Buck. Family is at the center of April's life, and she cherishes the opportunity to create new memories with her loved ones through travel and exploration.

With her compassionate approach and extensive experience, April ensures that every child receives the attention and support they need to thrive.

Gershwin Blyden, MD, PhD, FCP, FACP, is a board-certified hematologist-oncologist and medical director of The Foundation for Sickle Cell Disease Research, with locations in Homestead, Orlando, Lakeland, Jacksonville, Belle Glade, Tallahassee, and Hollywood, Florida. With more than 40 years of diverse experience, Dr. Blyden is an esteemed physician in his field.

After receiving his bachelor’s degree in plant science from the Tuskegee Institute (now Tuskegee University) in Tuskegee, Alabama, in 1967, Dr. Blyden earned a PhD in pharmacology from prestigious Yale University in New Haven, Connecticut, in 1976. Just three years later, he also earned his medical doctorate cum laude from Yale University.

In 1985, Dr. Blyden completed an internal medicine internship at Massachusetts General Hospital in Boston, Massachusetts. That same year, he also finished his hematology/oncology and clinical pharmacology fellowship at Tufts Medical Center in Boston, Massachusetts. 

After graduating and completing his training, Dr. Blyden worked as an adjunct professor for the Barry University School of Podiatric Medicine in Miami Shores, Florida, an associate clinical professor of hematology and oncology at the University of Miami School of Medicine in Miami, Florida, and as an associate professor of clinical pharmacy and director of the Clinical Pharmacology Research Unit at Florida A&M University’s Miami location.

Today, Dr. Blyden is a leader in the field of sickle cell treatment, case management, and research. He provides comprehensive care for chronic diseases, with a special emphasis on sickle cell anemia. 

Dr. Blyden offers a variety of infusion services, school individualized education program (IEP) support, transcranial Doppler ultrasounds, and more.

Dominick Mastroianni, MD, FAAHPM, is a board-certified physician in Internal Medicine and Hospice & Palliative Medicine at Solution Health Specialists, which serves patients throughout Florida. He is dedicated to providing compassionate, patient-centered care for individuals facing serious medical conditions.

With more than 15 years of experience, Dr. Mastroianni helps treat symptoms and plans forward for care of a wide range of conditions, including dementia, heart failure, COPD/emphysema, liver disease, cancers, end-stage renal (kidney) disease, and neurological disorders  Dr. Mastroianni discusses the alignment of treatments to life's priorities, avoiding harm, and symptom control. The most common symptoms seen in nursing home patients include pain, anxiety, depression, shortness of breath, delirium (temporary confusion), and weight loss. He integrates advanced clinical expertise with a holistic approach to improve the quality of life for patients and their families.

Committed to providing individualized, compassionate care, Dr. Mastroianni helps patients and families navigate complex medical decisions while managing symptoms, alleviating suffering, and promoting dignity. Through a combination of evidence-based medicine, holistic support, and empathetic guidance, Dr. Mastroianni ensures every patient receives care tailored to their unique needs.

Dr. Mastroianni earned a medical degree from the University of South Florida, completed residency training at Wake Forest University Baptist Medical Center, and achieved fellowship training at the University of Alabama at Birmingham. He developed and directed the first Hospice and Palliative Medicine Fellowship in the greater Orlando region. He has been recognized as a Fellow of the American Academy of Hospice and Palliative Medicine, a high honor based on peer review for his contributions to the field.

Daniel T. Layish, MD, is a board-certified pulmonologist, critical care physician, and sleep medicine specialist, dedicated to providing advanced care for patients with complex respiratory and sleep-related conditions. he serves patients at Solution Health Specialists, which provides care to patients throughout Florida.

Dr. Layish earned a medical degree from Boston University School of Medicine, completed residency training at Washington University School of Medicine, and pursued fellowship training at Duke University Medical Center. Board-certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine. 

Dr. Layish treats a wide range of pulmonary and sleep conditions, including alpha-1-antitrypsin deficiency, cystic fibrosis, COPD, asthma, pulmonary hypertension, pulmonary fibrosis, interstitial lung disease, sarcoidosis, and respiratory failure. In the field of sleep medicine, Dr. Layish specializes in sleep disorders, obstructive sleep apnea, and obesity hypoventilation syndrome.

Committed to delivering patient-centered care, Dr. Layish focuses on individualized treatment plans that combine the latest evidence-based therapies with compassionate support. Through a multidisciplinary approach, patients benefit from comprehensive management, advanced rehabilitation, and innovative strategies designed to optimize respiratory health and overall quality of life.

Barry Weinstock, MD, is a highly skilled interventional cardiologist at Solution Health Specialists, which provides care to patients throughout Florida. With extensive training and experience, Dr. Weinstock is committed to providing advanced cardiovascular care to patients with complex heart and vascular conditions.

Dr. Weinstock earned a medical degree from the prestigious Yale School of Medicine, followed by Internal Medicine residency training at the Hospital of the University of Pennsylvania. To further refine expertise in interventional procedures, he completed a cardiology fellowship at Cedars-Sinai Medical Center, one of the nation’s leading institutions for cardiovascular medicine.

Board-certified in Internal Medicine, Cardiovascular Disease, and Interventional Cardiology, Dr. Weinstock brings comprehensive knowledge and advanced clinical skills to every patient encounter. As a Fellow of the American College of Cardiology and the Society for Cardiovascular Angiography and Interventions, Dr. Weinstock remains at the forefront of innovative treatments and evidence-based care.

Dr. Weinstock specializes in the diagnosis, treatment, and prevention of a wide range of conditions, including coronary artery disease, peripheral vascular disease, venous thromboembolism, heart failure, arrhythmias, and atrial fibrillation. Additional areas of expertise include cardiovascular risk stratification, pacemaker management, hypertension, high cholesterol, hyperlipidemia, stroke risk reduction, syncope, and hypotension.

Dedicated to improving patient outcomes, Dr. Weinstock combines advanced interventional techniques with compassionate, individualized care to help patients achieve optimal heart and vascular health.