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Having a chronic illness that requires regular monitoring, or living with a condition that has yet to be diagnosed, is overwhelming. Men and women in the Yonkers, New York area have relied on Jonas Leibowitz, MD for years. As the city’s longtime trusted endocrinologist, Dr. Leibowitz treats a wide scope of medical issues. His practice, Jonas Leibowitz, MD, is near New York City and Westchester County, New York.

Dr. Leibowitz tackles some of medicines toughest cases in his practice. Dr. Leibowitz graduated from Sophie Davis School of Biomedical Education in New York and completed his Internship and Residency at The Mount Sinai Medical Center.

Dr. Leibowitz continues his education regularly, focusing on new technologies and medications. On the cutting edge of new science, Dr. Leibowitz lectures all over the region to teach other medical professionals how to prescribe medication, and when.

The office of Jonas Leibowitz, MD, is currently accepting new patients. Dr. Leibowitz specializes in hormonal disorders, thyroid issues, diabetes, and all types of endocrine-related diseases, he’s highly skilled at treating almost any type of health concern patients may have. His expert team cares for patients from the diagnosis stage, all the way through establishing a treatment.

Rajendra M. Rampersaud, MD, is a double-board-certified Pulmonologist and Sleep Specialist at NY Metro Sleep. Dr. Rampersaud and his team provide comprehensive sleep medicine to people of all ages living in the Bronx, New York, and throughout New York City. 

After graduating from the University of the East (UE) in Manila, Philippines, Dr. Rampersaud began his Residency in Internal Medicine at Saint Vincent Catholic Medical Centers in Jamaica, New York.

While at Saint Vincent Catholic Medical Centers (locally referred to as "St. Vincent's") in New York City, Dr. Rampersaud completed his pulmonary fellowship and worked as a Chief Medical Resident. 

He fulfilled his Pulmonary and ID Fellow at the National Jewish Medical and Research Center, also referred to as National Jewish Health, located in Denver, Colorado. 

Dr. Rampersaud was a Critical Care Fellow at Montefiore Medical Center in the Bronx. Shortly after, he completed his Sleep Medicine fellowship at the Sleep Disorder Institute Headquarters (SDI) in New York City.

He is a member of the American Academy of Sleep Medicine (AASM) and takes great pride in his work. 

At NY Metro Sleep, Dr. Rampersaud works with patients to evaluate their sleep studies and offers ways to improve their sleep health.

Dr. David J. Hersh, M.D., F.A.C.C., is a leading cardiologist providing men and women in and around Bellmore, NY, with custom care solutions aimed at helping each patient enjoy better cardiovascular health. At Heart Health of the South Shore, Dr. Hersh offers state-of-the-art care for an array of health issues, including hypertension (high blood pressure), high cholesterol, heart disease, chest pain, congestive heart failure and heart attack, as well as stress tests and comprehensive preventative cardiology services aimed at helping patients reduce their risks for heart disease and serious cardiovascular events.

A fellow of the American College of Cardiology, Dr. Hersh completed his medical degree at New York Medical College in Valhalla, NY, followed by a residency in internal medicine and a fellowship in cardiovascular disease at Lenox Hill Hospital in New York City. Board certified in internal medicine, cardiovascular disease, and nuclear cardiology, Dr. Hersh has hospital privileges at Lenox Hill Hospital and St. Francis Hospital in Roslyn, NY.

Heart Health of the South Shore is a top-ranked cardiology practice on Long Island's South Shore, serving patients in Bellmore, Merrick, East Meadow, Wantagh, Seaford, Freeport and Massapequa, NY, and the surrounding communities. 

Adam Moskowitz, MD, is an experienced physician at Vantage Medical Associates PC, which has locations in the Bergen Beach, Coney Island, Williamsburg, and Sheepshead Bay neighborhoods in Brooklyn, the Far Rockaway neighborhood in Queens, and Brentwood, West Hempstead, and Babylon, New York. Dr. Moskowitz has been in practice for over two decades and has extensive experience in family medicine, internal medicine, and gastroenterology. He currently has hospital privileges at Champlain Valley Physicians Hospital, Wyckoff Heights Medical Center, and New York Community Hospital of Brooklyn.

Dr. Moskowitz graduated from Brandeis University in Waltham, Massachusetts, with his bachelor’s degree. He then completed continuing education courses at Hofstra University in Hempstead, New York, before graduating with his medical degree at Sackler School of Medicine at Tel Aviv University in Tel Aviv, Israel. He completed a psychiatry residency at Long Island Jewish Medical Center, New Hyde Park, New York, as well as a residency in internal medicine and fellowship in gastroenterology at Winthrop University Hospital in Mineola, New York.

He is a member of several professional organizations, including the American Gastroenterological Association, New York Society for Gastrointestinal Endoscopy, American College of Physicians, and American Society for Gastrointestinal Endoscopy. 

Prashanth Mannam, MD, has over 20 years of experience as an internist and primary care provider. He offers patient-focused care to patients aged 12 and older at Mannam Medical & Wellness in the Soundview neighborhood of The Bronx in New York City. 

Dr. Mannam completed his training in medicine in Madras, India. He earned his medical degree at the Madras Medical College and served his internship at the Madras Medical College General Hospital. 

After spending a year honing his skills as a primary care physician at Kommalapati Nursing Home in Ongole, India, he moved to the United States, where he completed his internal medicine residency at New York’s Montefiore North Medical Center in The Bronx. He has since become a member of the American Medical Association and is board-certified in internal medicine.

Dr. Mannam commits himself to provide personalized medical care to his community. He speaks several languages fluently: English, Spanish, Hindi, Tamil, and Telugu. Dr. Mannam takes his time with each patient, never rushing anyone, and answering questions thoroughly. 

Outside of his practice, Dr. Mannam stays active by playing racquetball and tennis. He also enjoys world music and reading.

Dr. Vinod Somareddy, PT, DPT, is the founder and president of Reddy Care Physical & Occupational Therapy with locations throughout New York in Farmingdale, Great Neck, North Shore Towers, Oceanside, Woodbury, Bayside, Deer Park, and Upper Westside of New York Cit. Started in 2003, Dr. Somareddy built his practice under the guiding principles of providing quality care that fosters a patient-centered culture committed to improving the lives of everyone who comes through the door. 

As the eldest son in the family, Dr. Somareddy decided to honor his father’s own dedication to patient care, naming his practice after him. Dr. Somareddy’s father, nicknamed “Reddy,” worked as a nurse at Long Island Jewish Medical Center, where he garnered a reputation for his knowledge, perseverance, and compassionate patient care. Dr. Somareddy knows his success stems from his father’s influence, and he built a team that puts the patient’s needs above all else.

Dr. Somareddy earned his degree at the State University of New York Upstate Medical University in Syracuse. Dedicated to his profession, he is an active member of the American Physical Therapy Association and participates in many educational programs, lecturing on clinical and administrative topics.

In his spare time. Dr. Somareddy enjoys playing sports and watching baseball, traveling, exercising, and broadening his skills in business management.

Michael Liou, MD, FACC, FSCAI, is a skilled, board certified interventional cardiologist practicing at Chinatown Cardiology P.C., which has locations in Flushing, Brooklyn, Chinatown, and the Upper West Side of Manhattan. 

Dr. Liou earned his medical degree from SUNY Stony Brook School of Medicine after completing the prestigious Sophie Davis Biomedical Education Program at CUNY City College. He completed his internship and residency in internal medicine at NYU Langone Medical Center and performed his fellowship training in cardiovascular disease at Beth Israel Medical Center (now known as Mount Sinai Beth Israel) and returned to NYU Langone Medical Center for his advanced interventional cardiology subspecialty fellowship. 

Although he provides care for all cardiovascular conditions, Dr. Liou’s clinical expertise is in performing transradial cardiac catheterization, peripheral endovascular intervention, percutaneous mitral & aortic valvuloplasty, and ASD/PFO closure. He continues to participate in clinical research with a special focus on cardiovascular diseases affecting Asian Americans. 

Dr. Liou is multi-board certified in cardiovascular diseases, echocardiography, nuclear cardiology, and interventional cardiology.

Tak Kwan, MD, FAHA, FACC, FACP, FSCAI, is a board-certified and internationally renowned cardiologist at Chinatown Cardiology, PC, in the Chinatown and Upper West Side areas of New York City, Brooklyn and Flushing, New York. Chief of Cardiology, Lenox Hill Greenwich Village, Northwell Health, Director, Asian Practice Initiatives at Lenox Hill Hospital, Clinical Professor of Medicine/Cardiology, Zucker School of Medicine at Hofstra/Northwell, and President, Chinatown Cardiology, P.C. Dr. Kwan earned his medical degree and completed his residency at the State University of New York Downstate Medical Center. For the past 20 years, Dr. Kwan has been an active member within the Chinese community. He served as the president of the Chinese-American Medical Society. He then went on to establish Chinatown Cardiology in order to assist those in the neighborhood. Due to his generous donations and charitable services for the community, Dr. Kwan was awarded the Ellis Island Medal of Honor in 2010.

Dr. Kwan is now the interventional cardiology director at Mount Sinai West, the catheterization laboratory co-director at Mount Sinai Beth Israel, and the affiliate medical director of international services at Mount Sinai Health. He is affiliated with Mount Sinai Beth Israel, serving as a professor at the Icahn School of Medicine, the executive director of Asian services, and the site program director of interventional cardiology. Besides being directly involved in patient care, Dr. Kwan is also an active participant in clinical research.

Dr. Kwan is recognized internationally as an expert in general and interventional cardiology. Not only is he incredibly skilled, but he is also a pioneer in transradial cardiac catheterization, complex percutaneous coronary intervention, structural heart intervention, and transpedal lower extremity peripheral catheterization. Dr. Kwan is committed to providing only the best treatment available to his patients. Whether the patient is seeking treatment for routine heart disorders or is suffering from more complex symptoms, Dr. Kwan has the experience and skills necessary to ensure that the proper care and attention are provided to every patient at Chinatown Cardiology.

For a highly skilled and knowledgeable cardiologist, make an appointment with Dr. Kwan either online or by phone today.

Dr. David Lau received his Medical Degree and PhD degree in Physiology and Biophysics from NYU School of Medicine.   He completed his entire clinical training in Internal Medicine, Cardiovascular Disease, and Clinical Cardiac Electrophysiology at Columbia University - Presbyterian Medical Center.   Dr. Lau specializes in general cardiology and is an expert at the diagnosis of electrophysiological disorders and management after pacemaker, defibrillator, and remote cardiac monitor implantation.   Dr. Lau has presented his research at national meetings and published extensively in the area of electrophysiology.   He has a particular interest in the management of syncope and palpitations.   Dr. Lau is multi-board certified in Internal Medicine, Echocardiography, Cardiovascular Diseases, and Clinical Cardiac Electrophysiology and is Registered in Vascular Interpretations.

Dr. Henry Siu earned his Medical Degree from the Sophie Davis School of Biomedical Education/SUNY Downstate Medical Center. He completed his post-graduated training in Internal Medicine at Yale New Haven Hospital, and Cardiology/Interventional Cardiology Fellowship at Thomas Jefferson University Hospital in Philadelphia. 

Dr. Siu has expertise in general cardiology, multi-modality cardiac imaging, and vascular imaging. As an interventional cardiologist, Dr. Siu is highly skilled in cardiac catheterizations and peripheral vascular interventions, and management of complex coronary/valvular heart disease. He has proven experience in private practice and in the academic setting, with focus on providing the highest quality care and most up-to-date diagnostic and treatment strategies. In his free time, Dr. Siu enjoys exercising and playing the piano. Dr. Siu speaks Cantonese, Mandarin, and English.

Arsalan Rehmani, MD, FACC is an Interventional and General Cardiologist at Chinatown Cardiology P.C. Dr. Rehmani completed his residency at BronxCare Health System followed by subspecialty fellowships in cardiology and interventional cardiology at Mount Sinai Morningside Hospital. He is board-certified in multiple subspecialties including Internal Medicine, Cardiovascular Disease, Interventional Cardiology, Adult Echocardiography, and Nuclear Cardiology.



Dr. Rehmani accepts new patients, and he currently provides consultations at various locations in New York City, including the Upper West Side and Chinatown in Manhattan, Queens, Brooklyn, and the Bronx. Dr. Rehmani is multilingual, being fluent in English, Urdu, Hindi, Russian, and Ukrainian.

Ahmadur Rahman is a detailed and thorough physician specializing in internal medicine and primary care. Dr. Rahman is serving his patients in Manahattan, NY and Jamaica, NY with his two private practices. He is certified by the American Board of Internal Medicine. 

Dr. Rahman received his doctorate degree from the Ross University School of Medicine. He then completed his Internal Medicine residency at the Newark Beth Israel Medical Center. Dr. Rahman welcomes patients to his practice who are experiencing issues such as acne, bunions, arthritis, asthma, ear infections, and diabetes. With his informative bedside manner, Dr. Rahman works to a solution for improved health and healing. Dr. Rahman provides services for his patients that include annual physicals, ECG/EKG, bone density measurements, and annual skin screenings, among many others. 

Dr. Rahman enjoys participating in outdoor activities, when time permits. He enjoys spending time with his family, photography, and traveling.

Dr. Rafael A. Guillén is an internist in the Bronx, in New York City. As the physician at R. Guillén MD PC, Dr. Guillén offers a wide range of care including allergy care, help with obesity, hepatitis care, diabetes care, cholesterol management, high blood pressure treatment, asthma treatment, and arthritis treatment. R. Guillen MD PC is a Patient-Centered Medical Home, recognized by the National Committee for Quality Assurance for providing coordinated, advanced primary care, ensuring that patients are put in the forefront of their care, and a commitment made for continuous quality improvement. Dr. Guillén offers comprehensive health care for adults in the Bronx area. He’s bilingual in English and Spanish and has also carefully chosen a multi-lingual staff for the convenience of his patients.

Dr. Guillén attended the University Eugenio Maria de Hostos School of Medicine in the Dominican Republic. He completed his residency in Internal Medicine at the Bronx-Lebanon Hospital Center in the Bronx, New York. Dr. Guillén is a Diplomate of the American Board of Internal Medicine, and a Fellow of the American College of Physicians. He is an active member of numerous medical organizations, including the American Medical Association, the American College of Physicians, and the Dominican College of Physicians.

Dr. Guillén and his team look forward to seeing new patients and established patients alike. Contact the office anytime to arrange an appointment.

Ola Akinboboye, MD, MBH, MBA, is the renowned cardiologist at Laurelton Heart Specialists located in the Rosedale neighborhood of Queens in New York City. Dr. Akinboboye takes a comprehensive and integrative approach to cardiac care, utilizing state-of-the-art tools and techniques to assist with diagnosis and treatment, but always emphasizing the importance of diet and exercise when it comes to heart health.

After receiving his Doctor of Medicine at the College of Medicine at the University of Ibadan in Nigeria, Dr. Akinboboye relocated to the United States to complete his internal medicine residency and part of his cardiology fellowship at the Nassau County Medical Center, State University of New York (SUNY) at Stony Brook. 

Dr. Akinboboye completed his cardiology fellowship training at the prestigious Columbia University in New York City, which included one year devoted to nuclear cardiology and one year to advanced echocardiography. He is board-certified in cardiology, nuclear cardiology, sleep medicine, and internal medicine. Dr. Akinboboye is also an expert in Cardiac Amyloidosis Treatment.

Dedicated to improving his knowledge, Dr. Akinboboye went on to earn master’s degrees in public health and business administration at Columbia University. He’s also an accomplished clinician, teacher, and researcher with more than 100 scientific publications in the fields of hypertension, diabetes, and heart imaging.

Dr. Akinboboye’s dedication to medicine and his patients hasn’t gone unnoticed; he’s received numerous awards and recognitions throughout his career, including selection by Castle Connolly for inclusion in the prestigious Top Doctors: New York Metro Area - 9th Edition, and by the Network Journal as one of the Best Black Doctors in the New York tri-state area. 

Dr. Akinboboye also received a humanitarian award from the College of Medicine at the University of Ibadan in Nigeria for his ongoing efforts to spread expertise in the techniques of cardiopulmonary resuscitation in Nigeria. 

Compassionate about his profession and his patients, Dr. Akinboboye is thorough and knowledgeable and goes above and beyond for his patients.

Mary Alaina Burbage graduated with a Master of Science Nurse Practitioner degree from Columbia University and a Bachelor of Nursing from Georgetown University. She has been working in primary care as a family NP since 2016. Before that, she was an RN at Memorial Sloan-Kettering Cancer Center. Her patient care philosophy is founded on the Jesuit ideal of cura personalis, caring for the whole person. She is passionate about primary care and the importance of preventative medicine to help keep you healthy. She originally went into nursing with dreams of working in Africa and has done several medical and community volunteer trips including to Tanzania, Zambia, South Africa, Peru, and Guatemala. In her free time, she enjoys taking walks with her family and adorable rescue dog Sasha, traveling, and yoga.