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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 54th Street, and the practice accepts most major forms of medical insurance plans.

Dr. Sarah Fishman is an endocrinologist in private practice in New York City. At her practice in Midtown Manhattan, she provides a wide range of endocrinology care and services.

After completing her medical and PhD degrees at Mount Sinai School of Medicine, she continued her training in Internal Medicine and Endocrinology at Lenox Hill Hospital. She is affiliated with Mount Sinai Hospital and Northwell Health Lenox Hill Hospital, where she serves as an associate professor. As part of her academic appointment, Dr. Fishman has conducted research studies on evaluating biomarkers, chemicals that can be detected by blood tests, to identify patients with diabetes who may be at higher risk of cardiovascular events. In addition, she has spearheaded projects to improve physician and nurse empathy towards patients with diabetes, and on the use of continuous glucose monitors in hospitalized patients.

Recently, Dr. Fishman served as the in-house endocrinologist at Lenox Hill Hospital at the peak of the COVID-19 pandemic, working alongside critical care physicians to develop new protocols for the management of COVID-19 related endocrine disorders. She continues to be a valued teacher and mentor to residents and endocrine fellows.

Outside of the office and hospital, Dr. Fishman is a devoted mother, wife, daughter, and friend. When not on call, she can often be found sleeping in, building crafts with her kids, working on DIY home improvement projects, and enjoying the parks of New York City. She is an active member of her synagogue community and is known among her friends and colleagues for her reliability and fortitude.

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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.

A. Natalie Ascher, MD (FKA Natalie Marks, MD) is a board-certified vascular medicine physician who serves the community of Borough Park in Brooklyn, New York, at the Vascular Institute of New York. With more than 25 years of experience, Dr. Ascher is passionate about using the latest advancements in medical technology to diagnose and treat a wide range of vascular conditions, including hypertension, peripheral arterial disease (PAD), venous leg ulcers, and diabetic vascular disease.

Growing up in Ukraine, Dr. Ascher earned her Medical Doctorate from Crimea State Medical University in Simferopol, Ukraine. She later moved to the United States to complete her internal medicine residency at Maimonides Medical Center in Brooklyn. 

Dr. Ascher is certified by both the American Board of Vascular Medicine and Internal Medicine. She also holds certifications from the National Alliance of Wound Care and Ostomy and in Diagnostic Medical Sonography (RVT) for vascular technology as well as in vascular sonograms interpretation (RPVI).

In addition to her time at the Vascular Institute of New York, Dr. Ascher is an attending physician at Brooklyn’s Maimonides Medical Center, New York Community Hospital, and NYU Langone Brooklyn Medical Center. She also belongs to a number of professional organizations, including the American College of Physicians and the American Society for Vascular Medicine.

Click here to read Dr. A. Natalie Ascher's online profile.

Barry J Weinberg, MD, is a pulmonologist (lung specialist) with over 20 years of clinical experience. At his New York City practice on Manhattan’s Upper East Side, Dr. Weinberg provides high-quality diagnosis and treatment with an emphasis on personalizing each patient’s care.

Dr. Weinberg earned his medical degree from the SUNY (State University of New York) Downstate College of Medicine in Brooklyn, New York. He completed his internship and residency in internal medicine and a fellowship in pulmonary and critical care medicine at New York City’s Mount Sinai Beth Israel Hospital. From 1998 to 2004, Dr. Weinberg was the Associate Chief of the Critical Care Division at Mount Sinai Beth Israel.

Dr. Weinberg specializes in pulmonary medicine conditions such as asthma, COPD (chronic obstructive pulmonary disease), interstitial lung disease, and, more recently, COVID-19. He maintains active affiliations with numerous New York City hospitals, including Lenox Hill Hospital on Manhattan’s Upper East Side and Mount Sinai Medical Center. These affiliations allow him to follow his patients when they require hospitalization.

Dr. Weinberg also has close relationships with world-renowned specialists in thoracic surgery, interventional pulmonology, hematology-oncology, and infectious diseases. His patients can be confident that they’ll have access to the best care for all of their needs.

East Side Primary Medical Care is a comprehensive health care practice proudly serving the wonderful community in Upper East Side, New York, New York. Under the care of Daniel Klein, MD, FACP, the practice has become a valued resource for adults and seniors throughout the region. 

Daniel Klein, MD, FACP, provides compassionate and understanding primary care for adults and geriatrics. He shapes his patient care approach around the belief that everyone deserves access to convenient care, and works hard to provide quality medical care services, concierge primary care, telemedicine to meet all of your health needs and goals.

Dr. Klein received his medical education at Semmelweis University in Budapest, Hungary before achieving his Doctor of Medicine (MD). He then went on to seek additional educational opportunities, taking part in an internship program at the Booth Memorial Hospital and a residency program for internal medicine at Flushing Hospital Medical Center. 

His past hospital affiliations include providing medical services at Lenox Hill Hospital, Mount Sinai Hospital, and Mount Sinai West. He currently holds professional membership at the American College of Physicians. 

Dr. Klein is able to speak multiple languages with his patients at East Side Primary Medical Care, including English, Hungarian and Tagalog. With each patient, he hopes to provide caring support, making sure they have enough time to have all of their questions answered and deliver the best care possible for their concerns. 

Residents in Upper East Side, New York, who are searching for a compassionate primary care provider, should schedule a time to meet with Dr. Klein and learn more about his empathic approach to patient care. 

Everyone is welcome into East Side Primary Medical Care with open arms, whether they need preventative health care or need a one-on-one consultation for other health conditions. 

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.

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.

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.

 

Arsalan Rehmani, MD, FACC, FSCAI 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, Nuclear Cardiology, Endovascular Medicine, and Cardiac CT.



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.

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.

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.

 

 

At our medical practice, we prioritize healthspan by going beyond traditional treatment of chronic conditions. We are committed to proactive care, emphasizing prevention and early detection to promote a long and healthy life, rather than merely extending lifespan. By identifying potential issues before they manifest into serious problems, we strive to empower our patients to maintain optimal health and wellbeing throughout their lives.