Find a Top Internist Near Me in Greenwich, CT – Book an Appointment Instantly

Dr. Jacqueline Chan received her Medical Degree from New York Medical College.   She completed her Internal Medicine residency in addition to a chief resident year at the former St. Vincent’s Catholic Medical Center.   Dr. Chan began her Cardiovascular Disease fellowship at St.   Vincent’s Catholic Medical Center and transitioned to New York Methodist Hospital to complete her clinical training.   She is proficient in exercise treadmill stress test, echocardiography, nuclear myocardial perfusion scan, and peripheral vascular duplex.   Dr. Chan completed training as a vein specialist and performs radiofrequency venous ablation in our ambulatory procedure lab.  Currently, she is the Medical Director of Echocardiography and Vascular Imaging for our accredited ICAEL and ACR facility.  Dr. Chan is multi-board certified in Internal Medicine, Echocardiography, Nuclear Cardiology, and Cardiovascular Diseases.

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.

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.

Jennifer Chen, MD, FACC, is a board-certified cardiologist specializing in internal medicine, echocardiography, nuclear cardiology, and cardiovascular diseases at Chinatown Cardiology, PC, in the Chinatown section of New York City and Brooklyn and Flushing, New York. Dr. Chen earned her undergraduate degree at the University of California, Berkeley. She then went on to complete her medical training at Albert Einstein College of Medicine in The Bronx, New York. She performed her residency at Mount Sinai Beth Israel and her fellowship at Lenox Hill Hospital. 

Dr. Chen only employs the latest technology to provide accurate diagnoses and up-to-date treatments. She utilizes cutting-edge imaging techniques to detect cardiovascular diseases. However, she is also skilled at using methods that have proven effective in the past, such as the exercise treadmill stress test, nuclear myocardial perfusion scans, and peripheral vascular duplex. Dr. Chen has received additional training as a vein specialist and performs radiofrequency ablation within the facility.  

Dr. Chen is committed to helping patients receive the care and attention they need. By combining the latest technology with her knowledge and pleasant demeanor, she can make patients feel confident that they are in the best care possible. To receive professional attention for any issue concerning the heart, make an appointment with Dr. Chen online or by phone today.

Walid Elkhalili, MD, is an attentive and trusted internist and aesthetic physician serving Fair Lawn, New Jersey, and the surrounding areas at Apex Medical Professionals.

Dr. Elkhalili began his medical career at the American University of Antigua College of Medicine in the Caribbean, where he earned his doctorate in Medicine. He went on to complete a residency in internal medicine at New York Medical College before gaining certification from the American Board of Internal Medicine. He’s currently affiliated with Hackensack University Medical Center, St. Joseph’s University Medical Center, and The Valley Hospital.

Dr. Elkhalili also has a background in research and frequently publishes in journals, such as the Journal of the American College of Cardiology. He was recently honored as a doctor of excellence by the Leading Physicians of the World organization.

At Apex Medical Professionals, Dr. Elkhalili works in collaboration with a physician to assess and address the needs and conditions of his patients, with fluency in English, Spanish, and Arabic. He places a high priority on preventive care, wellness strategies, and health education. Dr. Elkhalili looks forward to leading you down the path of wellness.

Dr. Ajay Agarwala, MD is a cardiology specialist with over 28 years of experience in the medical field. Dr. Agarwala has extensive experience in Interventional Cardiac Procedures and Adult Congenital Heart Conditions. He graduated from the UNIVERSITY OF NEBRASKA AT LINCOLN in 1994. He is affiliated with medical facilities such as Newark Beth Israel Medical Center and Bayonne Medical Center.

Dr. Timothy Jayasundera and his colleague Dr. Marsha Wesley provide a variety of medical services to their patients from offices located in Ozone Park, Brooklyn, and Manhattan, New York. Services range from primary care, annual wellness checkups, and regular health screenings to specialist treatment for cardiovascular issues such as hypertension, high cholesterol, chest pain and shortness of breath.

Dr. Jayasundera completed his medical degree at Ross University School of Medicine and his internship in internal medicine at Robert Wood Johnson University Hospital. He went on to complete his residency at Georgetown University and fellowships in Cardiology and Interventional Cardiology at Drexel University and Mount Sinai Hospital, respectively. Dr. Wesley  completed her medical degree at State University of New York (SUNY) Buffalo School of Medicine and Biomedical Sciences.

Drs. Jayasundera and Welsey are all dedicated to providing the highest quality care to their patients. They offer a warm caring environment to make their patients feel comfortable. The doctors take pride in practicing preventative medicine ensuring that all of their patients maintain and improve their health. In addition to treating various medical conditions Dr. Jayasundera and Dr. Wesley also educate patients on their particular medical diagnosis to ensure that the patient maintains good health and stays within healthy guidelines for vital statistics.

Dr. Jayasundera and Dr. Wesley are currently welcoming new patients and looking forward to building lasting relationships to improve and maintain health. Most major forms of insurance are accepted.

Dr. Ritesh Kalra is committed to improving the quality of life of his patients. Through his practice in Fair Lawn, New Jersey, Dr. Kalra assists patients with their primary care and internal medicine needs. 

Through comprehensive annual physical exams and lab testing, Dr. Kalra shapes customized plans to put patients on a path toward relief. For every set of needs, he always offers top-quality diagnostic services to determine the source of symptoms and the best treatment for his patients. 

Those living with one or more types of chronic disease can rely on Dr. Kalra for chronic disease management services. Dr. Kalra views his role as a partner in each patient’s health journey and works closely with those in his care to reduce their risk of complications for diseases, such as asthma, diabetes, thyroid disease, hypertension, and much more. 

Patient education is woven into every interaction. Details about treatment options empower individuals to take an active role in shaping their care planning, and preventive health guidance helps them avoid many common health problems. 

Residents of Fair Lawn, New Jersey, who are searching for a great primary care provider, should schedule a time to come in and meet with Dr. Ritesh Kalra and his caring staff. Scheduling a visit is fast and easy using the online booking tool or by calling the office. 

Jeffrey Crespin, MD

Jeffrey Crespin, MD, has been a practicing gastroenterologist in Manhattan for more than 20 years and has convenient office locations across New York City in the Upper East Side, Midtown East, and Midtown West. As a board-certified gastroenterologist, Dr. Crespin strives to provide the highest quality medical care in a compassionate, professional, and personalized manner.

Dr. Crespin graduated cum laude from Harvard University with a bachelor’s degree in biology. After spending a year studying cinema, psychology, and literature at the Sorbonne in France, Dr. Crespin attended Washington University School of Medicine in St. Louis, Missouri, where he graduated with his medical degree. He then completed his internship and residency training through the University of Minnesota before rounding out his training with a fellowship in gastroenterology at Northwestern Memorial Hospital in Chicago, Illinois. In addition to his medical education and training, Dr. Crespin has a Master of Business Administration from the New York University (NYU) Stern School of Business.

Before opening up his private practice, Dr. Crespin served as the director of the Columbia-St. Luke's Roosevelt GI clinic. He is expertly trained in endoscopic procedures, which allows for direct visualization of the intestinal tract for optimal diagnosis, treatment, and prevention of gastrointestinal diseases such as irritable bowel syndrome, Crohn’s disease, and colitis. To ensure his patients have access to the best care possible, Dr. Crespin conveniently offers same-day, late-hour, and weekend appointments.

Recognized as one of New York’s “Top Doctors,” Dr. Crespin is affiliated with NYU Lenox Hill Hospital, St. Luke's Roosevelt, and the Beth Israel hospitals. He is also a clinical assistant professor of medicine at NYU.

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Peggy Elango, DO, is a primary care physician serving patients in the New York City area. At her practice in the Lenox Hill area of Manhattan, she provides a wide range of internal and concierge medicine services.

Dr. Elango attended Michigan State University, where she received her medical degree. She is board certified by the American Osteopathic Board of Internal Medicine and is a member of the American Osteopathic Association. She speaks English and French, which makes her accessible to patients from a variety of cultural backgrounds.

Dr. Elango is originally from Cameroon and grew up in Atlanta, Georgia. She comes from a family of physicians. Dr. Elango believes in listening to each patient and creating a partnership to maintain and improve lifelong health. Patients trust her expertise because she consistently provides high-quality care that leads to positive and lasting health outcomes.

Dr. Elango is affiliated with Lenox Hill Hospital and NYU Langone Health.

Jeffrey Crespin, MD

Jeffrey Crespin, MD, has been a practicing gastroenterologist in Manhattan for more than 20 years and has convenient office locations across New York City in the Upper East Side, Midtown East, and Midtown West. As a board-certified gastroenterologist, Dr. Crespin strives to provide the highest quality medical care in a compassionate, professional, and personalized manner.

Dr. Crespin graduated cum laude from Harvard University with a bachelor’s degree in biology. After spending a year studying cinema, psychology, and literature at the Sorbonne in France, Dr. Crespin attended Washington University School of Medicine in St. Louis, Missouri, where he graduated with his medical degree. He then completed his internship and residency training through the University of Minnesota before rounding out his training with a fellowship in gastroenterology at Northwestern Memorial Hospital in Chicago, Illinois. In addition to his medical education and training, Dr. Crespin has a Master of Business Administration from the New York University (NYU) Stern School of Business.

Before opening up his private practice, Dr. Crespin served as the director of the Columbia-St. Luke's Roosevelt GI clinic. He is expertly trained in endoscopic procedures, which allows for direct visualization of the intestinal tract for optimal diagnosis, treatment, and prevention of gastrointestinal diseases such as irritable bowel syndrome, Crohn’s disease, and colitis. To ensure his patients have access to the best care possible, Dr. Crespin conveniently offers same-day, late-hour, and weekend appointments.

Recognized as one of New York’s “Top Doctors,” Dr. Crespin is affiliated with NYU Lenox Hill Hospital, St. Luke's Roosevelt, and the Beth Israel hospitals. He is also a clinical assistant professor of medicine at NYU.

Dr. William Martin is a top-rated internist and primary care physician serving patients from Midtown Manhattan and throughout the Greater New York City metro region. As a skilled and compassionate physician, Dr. Martin is skilled in the diagnosis and treatment of a wide array of conditions, including sinusitis, bronchitis, asthma, diabetes, urinary tract infections, high cholesterol and high blood pressure, chronic fatigue, migraines, eczema, psoriasis, colds and other respiratory infections, back pain, anxiety and depression, and thyroid disorders.

Dr. Martin received his medical degree from the University of Vermont after receiving a bachelor's degree in chemistry from the same institution, and completed his residency in internal medicine at St. Lukes-Roosevelt Hospital in New York City. As a leading physician dedicated to the needs of his patients, Dr. Martin maintains active memberships in several medical associations and is a diplomate of the American Board of Internal Medicine.

Dr. Martin is a strong proponent of patient-centered care and patient education, ensuring each patient he treats receives the most appropriate care and treatment based on an in-depth evaluation of the patient's unique needs, medical history and current health status. During office visits, every patient receives the information they need to understand the medical issues they face, including existing and emerging disease risk factors, and the treatment options that are available to them so they can make confident and informed decisions about their care.

Dr. Martin enjoys meeting new patients at his practice on East 54^th Street, and the practice accepts most major forms of medical insurance plans.

Dr. Michael Aziz is a board-certified Internal Medicine physician, author, and a broadcast media commentator. He serves as an attending physician at Lenox Hill Hospital in New York City. Dr. Aziz completed his medical training at Long Island Jewish Medical Center and Staten Island University Hospital. He is a member of the American College of Physicians,  the American Society of Internal Medicine, and a fellow of the Royal Society of Medicine in the United Kingdom. Dr. Aziz has also been a keynote speaker at numerous national and international conferences, including those organized by the American Academy of Anti-Aging Medicine.

As the founder of the practice that integrates traditional and functional medicine, Dr. Aziz focuses on addressing  the root causes of diseases. He is the author of "The Perfect Diet," a book that challenges outdated dietary guidelines, and advocates a balanced diet including full-fat products. The Perfect 10 Diet is also different from both low-carb and keto diets since it is balanced and it does not allow any chemicals such as nitrites since they are linked to many types of cancer.  

Upon release, The Perfect 10 Diet and Dr. Michael Aziz were featured on ABC's billboard in Times Square in NYC. He also made it on the cover of "First for Women," one of the largest magazines in the United States. The Perfect 10 Diet went on to become a national bestseller. The Perfect 10 Diet hit the number one book sold and downloaded on Amazon for 12 consecutive weeks. The Perfect 10 Diet was translated into several foreign languages including; Italian, Chinese, Mandarin, Slovenian, Urdu, Malay, and Indonesian. Dr. Aziz and The Perfect 10 Diet were featured on countless TV shows including "The View," "The Doctors," "Fox and Friends," and "Dr. Oz." 

In 2025, Dr. Aziz released "The Ageless Revolution,' a book that addresses aging as a disease by targeting its underlying causes. Motivated by the high mortality rates in the US during the COVID-19 pandemic, he emphasizes the need for proactive health measures to increase lifespan. His approach integrates traditional and functional medicine aiming to treat the root causes of diseases rather than the sypmtoms. The book was an immediate bestseller upon release, hitting the number one spot on Amazon in the longevity category. It has also been picked up internationally to be translated into several foreign languages.

Dr Aziz is a prolific medical contributor to Life Extension Magazine with the "Ask the Doctor"column. He has also been a medical contributor to The Boardroom Newsletters which reached over 7 million subscribers with health advice. Dr. Aziz's columns, articles, and opinions have been published in The LA Times, CNN.com, Fox.com, The Washington Post, WebMD, The NY Post, the Daily News,  as well as in many publications internationally such as The Daily Mail, in the UK, and Paris Match, in France. 

Dr. Aziz regularly provides medical commentary on many health networks, including NPR, Fox, ABC, WGN Chicago, NBC, Telemundo, and Dubai TV. Dr. Aziz is passionate about philanthropy. He has volunteered to help New Yorkers during the Covid-19 pandemic, and has volunteered in rural islands in Indonesia. He is also donating the proceeds of The Ageless Revolution to help women affected by breast cancer. 

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.