Find a Top Internist Near Me in Piscataway, NJ – Book an Appointment Instantly

Dr. Benjamin Barrah, M.D. is a Brooklyn internal medicine specialist serving the New York area. His practice provides a broad variety of services, including vaccinations and treatments for ailments such as hepatitis C, allergy testing and treatment, erectile dysfunction, cosmetic surgery, and immigration medical exams.

Dr. Barrah earned his medical degree from the University of Benin School of Medicine and studied clinical dermatology at the University of London, after serving time as a dermatology house officer. Next, he attended the University of Miami School of Medicine, where he served as a graduate education special trainee fellow in the field of dermatology and cutaneous surgery. He went on to complete his residency in internal medicine at the Woodhull Medical and Mental Health Center in New York.

Dr. Barrah is board-certified and provides a range of medical, skin, and aesthetic services, while also educating new health care professionals. He specializes as an internist and dermatologist and holds professional memberships in the American College of Physicians and American Academy of Aesthetic Medicine. He is affiliated with both the Interfaith Medical Center and the New York Methodist Hospital and is fluent in English, French, and Spanish.

Dr. Barrah is eager to welcome new patients to his practice, whether they need basic acne treatment, care for chronic illnesses, or to complete an immigration medical exam to gain permanent residency in the United States. Whatever the medical needs may be, Dr. Barrah will provide the ideal treatment and do so in a caring and compassionate bedside manner while delivering the best possible care.

If patients are in need of medical services in the Brooklyn area, give Dr. Barrah’s office a call to schedule an appointment during office hours today. The team at Fulton Medical Plaza are looking forward to helping.

Hari Polavarapu, MD, is a board-certified Internal Medicine and Primary Care provider at Tru Medical Management. Dr. Polavarapu, who also goes by “Dr. P,” sees patients at both practice locations in the Navy Hill and Williamsburg neighborhoods of Brooklyn, New York. He provides all his patients with outstanding conservative and preventive care.

Dr. Polavarapu is the founder of Tru Medical Management — a modern, comfort-driven primary care practice. Growing up in a medical family in India with philanthropic roots, Dr. Polavarapu has planted the seed to expand the goal of primary care, advance the medical care model, and improve access to health services.

His mission is to create a positive experience and inclusive environment for all patients. Tru Medical Management is dedicated to fulfilling the vision of high-quality, patient-centered primary care because they believe that better is possible.

Get started with Tru Medical Management today. Call the office to schedule your consultation or appointment. Online booking is also available and is fast and easy.

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.

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. Michael Aziz is a board-certified Internal Medicine physician, author, and a broadcast media commentator. He is 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 in New York. 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 is also 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 cause of disease. He is the author of "The Perfect 10 Diet," a book that challenged outdated dietary guidelines, and advocated a balanced, natural diet long before the new USDA food Pyramid was introduced in 2026.

Dr. Michael Aziz was among the first doctors to alert the public about  the danger of seed oils, and transfats long before the media caught on.  Dr. Aziz was also the first doctor to alert the public about the dangers of both low-carb and keto diets since nitrites in processed meats have been linked to many types of cancer.  

Upon release, Dr. Michael Aziz was 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 became an instant bestseller. The Perfect 10 Diet hit the number one spot on Amazon for 12 consecutive weeks in 2011. The Perfect 10 Diet was also picked up for translation 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." He has been a guest on hundreds of radio shows, podcasts, The Mel Robbins show, and NPR.   

In 2025, Dr. Aziz released his second book, "The Ageless Revolution." It is the first book on the market that addresses aging as a disease. It is a new concept in medicine since it targets cellular malfunction. Alarmed by the high mortality rates in the US during the COVID-19 pandemic, Dr. Aziz emphasizes the need for proactive health measures to improve healthspan, and prolong the lifespan. His approach integrates traditional and functional medicine aiming to treat aging rather than treating chronic age-related diseases using supplements, hormone replacement, and peptides. 

The book was also an immediate bestseller, topping at 300 on Amazon and hitting the number 1 spot in the anti-aging, longevity, menopause, and holistic medicine categories for several weeks. The book was also picked up  to be translated into several foreign languages including Portuguese, Polish, and Chinese. 

Dr Aziz is a prolific contributor to Life Extension Magazine with the "Ask the Doctor"column which reaches 400,000 readers monthly. He had been a contributor to The Boardroom Newsletters which reached over 7 million subscribers with health advice in 2010's. He is a also a medical contributor to Biohackyourself (website and magazine) that reaches over 3 million people on social  media. 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, Katie Couric Media, Harper's Bazaar, Forbes, as well as in hundreds of publications internationally around the world such as The Daily Mail, Paris Match, The Saigon Times, and El Arabyia.  

Dr. Aziz regularly provides medical commentary on many health networks, including NBC, NPR, Fox, Fox 5 NY, ABC, WGN Chicago,  Telemundo, the Will Cain show, and Dubai TV. Dr. Aziz is passionate about philanthropy. He volunteered to help New Yorkers during the Covid-19 pandemic, and treated underserved communities in remote villages of Indonesia. He is also donating the proceeds of The Ageless Revolution for charity to help women affected by breast cancer. 

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. Michelle Henry is an international speaker, trainer, and author. As a board-certified dermatologist and dermatologic surgeon, she has established herself as a prominent figure in the industry. Dr. Henry serves as the CEO and founder of Skin & Aesthetic Surgery of Manhattan, as well as the founder of The Henry Research Group. In addition to her private practice, she holds the position of Clinical Instructor of Dermatology at Weill Cornell Medical College.

Dr. Henry specializes in general dermatology, Mohs micrographic, and cosmetic surgery. She completed her residency in dermatology at Mount Sinai Hospital in New York City, where she served as Chief Resident. Following her residency, Dr. Henry pursued further specialization through a fellowship in cutaneous oncology, Mohs micrographic, and reconstructive surgery at Harvard Medical School. Driven by her passion for providing exemplary care, she focuses on high-risk skin cancer treatments, cosmetic surgery, hair loss solutions, skin rejuvenation techniques, and addressing the unique needs of diverse skin types.

Recognized for her talent and dedication, Dr. Henry has been featured in renowned publications such as Forbes, The New York Times, Harper's Bazaar, The Cut, Byrdie, and Coveteur. These features highlight her artistic prowess in the field of dermatology as well as her advocacy efforts. Furthermore, she has contributed significantly to the medical community through her extensive publications, authoring numerous articles and book chapters. She enjoys medical media and has globalized her teaching efforts as an on-air contributor for the Today show.

Dr. Henry's reputation is solidified by her inclusion in prestigious accolades such as Castle Connolly Top Doctor and New York Magazine Top Doctor. Additionally, she actively serves on multiple medical boards, conducts FDA clinical trials, and is a member of the product validation board at L'Oréal. She is a distinguished fellow of the American Academy of Dermatology, American Society of Dermatologic Surgery, and American College of Mohs Surgery. She also serves on the Board of Directors for the Melanoma Research Foundation and has been awarded their prestigious Excellence in Prevention award.

At the core of Dr. Henry's treatment philosophy lies a commitment to holistic care that integrates the latest advancements in technology and scientific research. She strives to provide her patients with the most effective and cutting-edge solutions, ensuring optimal outcomes and patient satisfaction.

Board-certified in adult and pediatric allergy and immunology, Peter Benincasa, MD, proudly serves the communities of Clark, Garfield, and Clifton, New Jersey. As one of the expert providers of Consultants in Asthma, Allergy and Immunology, Dr. Benincasa dedicates himself to providing patients of all ages with excellent medical care.

Dr. Benincasa earned his medical degree from the University of Naples Federico II School of Medicine in Naples, Italy. Then he relocated to the United States to complete his internship and medical residency in adult and pediatric immunology at the University of Medicine and Dentistry of New Jersey.

During his training, Dr. Benincasa was named chief medical resident at Newark Beth Israel Medical Center in Newark, New Jersey.  He has served as clinical assistant professor in the division of allergy and immunology at UMDNJ teaching internists and pediatricians who wish to specialize in allergy and immunology. Dr. Benincasa stays current on emerging research and medical developments

His commitment to excellence in the field of allergy and immunology has remained strong throughout his years of service.

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. 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.

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. 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.

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.

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.

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.

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.