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

Herbert A. Insel, M.D., F.A.C.C., is a leading cardiologist in Midtown, New York City providing the highest-quality care for patients at his Manhattan practice. Dr. Insel offers a comprehensive array of evaluation and treatment options for patients with existing heart-related issues as well as those with increased risk factors for cardiovascular disease. He provides preventive cardiology care, ongoing treatment for high blood pressure and high cholesterol, state-of-the-art assessments like echocardiograms and cardiac stress testing, personalized cardiology consultations, and expanded concierge medicine services for patients with hectic schedules and those seeking more in-depth care options.

After earning his medical degree at the State University of New York Downstate Medical Center, Dr. Insel completed his internship and residency in Internal Medicine at The Brookdale Hospital Medical Center followed by a fellowship at Lenox Hill Hospital. Certified in Internal Medicine and Cardiovascular Diseases by the American Board of Internal Medicine, Dr. Insel has been the recipient of numerous awards and has been included repeatedly on the New York Times Magazine's list of “Super Doctors.”

There are many challenges facing us all today in the realm of health care and concerns about the impersonal delivery methods that will be developing over the years to come. As more and more medical practices in New York City get taken over by larger hospital and delivery systems, Dr. Insel remains dedicated to practicing medicine as an independent doctor. The special and personal relationship he forms with each of his patients is of paramount importance to him and inspires him to continue to strive to put forth every effort to ensure their continued health and well-being. Dr. Insel welcomes new patients and the practice accepts many major medical insurance plans.

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. Lwin graduated from the University of Medicine in 2008. She works in Brooklyn, NY and 3 other locations and specializes in Internal Medicine. Dr. Lwin is affiliated with The Brooklyn Hospital Center, Wykoff Medical Center and Long Island Community Hospital. She specializes in General Medicine as well as addiction medicine. She loves being in the medical field and her passion for her patients shows. She has also toured the world with Physicians without Boarders helping spread health and awareness to those who most need it.

Dr. Sachin Jain is a distinguished and highly skilled Endovascular Specialist and Interventional Cardiologist, who is Board Certified in Cardiology, Echocardiography, Nuclear Cardiology (stress testing), Interventional Cardiology (coronary angiograms & stents) and Endovascular Medicine (Peripheral arterial disease and venous diseases treatments)

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 Harnick is a board-certified cardiologist and electrophysiologist who provides exceptional cardiovascular care at Heartwise Cardiology in the Murray Hill and Upper East Side neighborhoods of New York City.

While he treats the full range of heart conditions, he specializes in helping patients with cardiac arrhythmias, dizziness, and syncope. He specializes in implanting cardiac devices such as pacemakers and defibrillators, and he is an expert in performing a full range of cardiac ablations.

He has been placing Implantable Loop Recorders (ILRs) in the convenience of his office as a quick, safe, and easy procedure to help diagnose and treat arrhythmias.

Dr. Harnick received his undergraduate degree from Rutgers University in New Jersey, where he graduated summa cum laude as a Henry Rutgers Scholar Award recipient. He then graduated with his Doctor of Medicine from the Icahn School of Medicine at Mount Sinai in New York City.

During his second year in medical school, he was awarded a research scholarship from the Howard Hughes Medical Institute Investigator Program. He successfully cloned the first calcium channel in human T-cells, which contributed to understanding the mechanisms involved in cellular signaling. After completing his internal medicine residency at Columbia University Irving Medical Center in New York City, Dr. Harnick returned to Mount Sinai to pursue advanced training in general cardiology and cardiac electrophysiology.

In addition to being named to the New York Times Super Doctors of New York, Dr. Harnick has also been featured in Castle Connolly Best Physicians. He often lectures medical professionals on atrial fibrillation and anticoagulation management and stays involved in clinical trials on multiple studies from cardiac devices to new pharmacologic agents.

Dr. Harnick is affiliated with two prestigious New York City hospitals -  The Mount Sinai Medical Center and Lenox Hill Hospital. He serves as an assistant clinical professor at Mount Sinai Medical Center and a clinical instructor at Lenox Hill, where he is involved in regular teaching of cardiology fellows.

Dr. Harnick welcomes the opportunity to help new and existing patients achieve optimal heart health. 

Dr. Raymonda Rastegar is a triple-boarded cardiologist with certifications in general cardiology, echocardiography, and nuclear cardiology. She has expertise in general and noninvasive cardiology, as well as preventive care. At Heartwise Cardiology in the Murray Hill neighborhood of Manhattan, New York, she treats varied cardiovascular conditions with a special interest in helping patients prevent heart disease and heart attacks. 

With board certification in echocardiography and nuclear cardiology, she offers extensive in-office testing to quickly and accurately diagnose cardiovascular conditions, such as coronary artery disease and valvular heart disease. 

Dr. Rastegar received her medical degree from the Icahn School of Medicine at Mount Sinai in New York City. She remained at Mount Sinai for her residency and fellowship training in cardiovascular diseases. 

After completing her fellowship, Dr. Rastegar became co-director of echocardiography and noninvasive cardiology at Beth Israel Medical Center-North Division in New York City. Then she established her private practice, where she is currently the co-director of Heartwise Cardiology.

Dr. Rastegar is affiliated with two prestigious institutions in NY City - New York University Langone Medical Center and the Mount Sinai Medical Center. Dr. Rastegar continues her academic endeavors by teaching medical students and residents at these medical centers.

She stays on the cutting edge of cardiology with her involvement in clinical research studies, including dyslipidemia and coronary artery disease. She is an active speaker and lecturer on these topics.

Dr. Rastegar is honored to be named the New York Times Super Doctors of New York and NY Top Docs best doctors. Dr. Rastegar prides herself on providing personalized and thorough care. She looks forward to working one-on-one with new and existing patients whether they want to prevent heart disease or need exceptional care for existing conditions.

Kornelia Teslic, MD  is a Board Certified Diagnostic NeuroRadiologist at Citimed Comprehensive TBI Center. She completed her fellowships at Weill Cornell, NY, and Memorial Sloan- Kettering Cancer Center, NY. She has 20 years of experience in neuroimaging including advanced MRI techniques. She speaks English, Spanish, Croatian, and Serbian.

As a highly-trained diagnostic radiologist, Dr. Teslic specializes in neuroradiology. She provides a complete range of diagnostic imaging services, including advanced diffusion-weighted MRIs for cancer detection and diffusion tensor MRIs for brain imaging.   

Robert Waxman, MD Board Certified Radiologist. He completed his fellowship at Body Imaging & Musculoskeletal, Thomas Jefferson University Hospital, Philadelphia, PA. Dr. Waxman is extremely knowledgable in any musculoskeletal imaging. 

Damon Spitz, MD Board Certified Radiologist in Musculoskeletal Radiology. Dr. Spitz completed his fellowship at New England Baptist Hospital Beth Israel Deaconess Medical Center.  Dr. Spitz plays a key role in expanding the radiology and interventional pain services and building a strong foundation for musculosketal reads.

 

 

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.

 

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.

Karthik Gujja, MD, MPH, is a board-certified physician specializing in general cardiology, interventional cardiology, and endovascular intervention. He currently treats patients at Long Island Heart&Vascular Specialist offices located in Bronx, Long Island, Queens, and Brooklyn. He is the Associate Director for Endovascular program at Mount Sinai Hospital.

Dr. Gujja graduated from India’s Mahadevappa Rampure Medical College in Gulbarga, Karnataka, in 2003. He later completed an internal medicine internship at Long Island College Hospital in Long Island, New York, as well as fellowships in cardiology and interventional cardiology at Beth Israel Medical Center in New York. In addition to this comprehensive training, Dr. Gujja completed a third fellowship in endovascular intervention/peripheral at Mount Sinai Hospital in New York.

Highly skilled and educated, Dr. Gujja strives to provide his patients with the best possible care as a longtime cardiovascular disease specialist. Dr. Gujja has undergone extensive training to treat cardiovascular-related conditions, such as art failure, heart attack, congenital heart problems, and coronary artery diseases.

Dr. Gujja is also a renowned endovascular intervention specialist, offering low-risk alternatives to open surgery. He has been treating patients with peripheral artery disease (PAD) for many years and continues to improve their quality of life through minimally invasive procedures, lifestyle changes, and medications. These new treatments can help patients take control of their PAD symptoms, such as swollen legs and leg pain, allowing them to return to their regular activities.

At Long Island Heart & Vascular, Dr. Gujja is able to offer his patients the most advanced cardiovascular and endovascular intervention testing and treatments under one roof, making each visit as comfortable and convenient as possible.

 

Book Publications

1. Below the Knee Interventions (Critical Limb Ischemia). Karthik Gujja- Interventional Cardiology: Principles and Practice, 2016 – Wiley / Blackwell – Second Edition
2. Popliteal Artery Interventions. Karthik Gujja- Interventional Cardiology: Principles and Practice, 2016 – Wiley / Blackwell – Second Edition
3. Chronic Venous Insufficiency. Karthik Gujja- Interventional Cardiology: Principles and Practice, 2016 – Wiley / Blackwell – Second Edition
4. Chronic Venous Insufficiency. Karthik Gujja - Interventional Cardiology Clinics, 2014 – Elsevier.
5. Acute Limb Ischemia. Karthik Gujja- Interventional Cardiology Clinics, 2014 - Elsevier
6. Efficacy and Safety of Bare Metal and Drug-Eluting Stents. Karthik Gujja, MD, Amar Narula, MD, Gregg W. Stone, MD and Ajay J. Kirtane, MD. Coronary Stenting: A Companion to Topol's Textbook of Interventional Cardiology. Published year 2014
7. Prosthetic heart valves. Karthik Gujja, MD. Practical Manual of Echocardiography in the Urgent Setting. Published year 2013.

 

Research

1. Intravascular ultrasound guided directional atherectomy versus directional atherectomy guided by angiography for the treatment of femoropopliteal in-stent restenosis. Ther Adv Cardiovasc Dis. 2018 Jan;12(1):17-22
2. An Algorithm for the Use of Embolic Protection During Atherectomy for Femoral Popliteal Lesions. JACC Cardiovasc Interv. 2017 Feb 27;10(4):403-410.
3. Intravascular Ultrasound Is an Effective Tool for Predicting Histopathology-Confirmed Evidence of Adventitial Injury Following Directional Atherectomy for the Treatment of Peripheral Artery Disease. J Endovasc Ther. 2016 Aug; 23(4):672-3.
4. Histopathological Evidence of Adventitial or Medial Injury Is a Strong Predictor of Restenosis During Directional Atherectomy for Peripheral Artery Disease. J Endovasc Ther. 2015 Oct;22(5):712-5.
5. Bifurcation stenting in patients with ST-segment elevation myocardial infarction: an analysis from dkcrush II randomized study. Catheter Cardiovasc Interv. 2013 Sep 1;82(3):E133-7.
6. The Incidence Of Procedural Difficulty In Transradial Coronary Angiography (Research Study).  Journal of American College of Cardiology (JACC), 2011; 57:1876
7. Significance of Heart Rate Variability, Ventricular Arrhythmic Burden and a Novel Non-Invasive Marker Score in Heart Failure Patients with Preserved Ejection Fraction  Prognostic Journal of Cardiac Failure. 2009 Aug; 15(6): S61

Dr. Barry Cohen is an Internal Medicine/Primary Care physician in New York City. He has worked in private practice and as an Attending Physician for the Montefiore Medical Group in the Bronx. He currently has a private practice in the Soho area of Manhattan. Dr Cohen was a Clinical Instructor of Family and Social Medicine at the Albert Einstein School of Medicine for approximately 12 years.. He is currently affiliated with the Mount Sinai/Beth Israel Medical Center of New York, where he is an Attending Physician. Earlier in his career he spent 3 years working with Doctors of the World in their Human Rights Clinic.

Ann Long, MD, combines her medical expertise with cutting edge technology to offer aesthetic services that restore the natural beauty of your skin and body. She provides comprehensive aesthetic care at her practice in Lower Manhattan, New York.

Dr. Long uses diverse therapies and state of the art technologies such as injectable fillers, neurotoxins, IPL photofacials, laser treatments, ultherapy, and the Thermi250™ radiofrequency system for facial rejuvenation, skin tightening, wrinkle reduction, body contouring, and vaginal rejuvenation. She also has extensive experience providing non-surgical facelifts, as well as the innovative Silhouette InstaLift™. 

Dr. Long has been a fellow member of the American Society for Laser Medicine and Surgery (ASLMS) for 20 years. She is also a member of the American Cosmetic Association, the American Anti-Aging Association, and for many years she was selected as the American Top Physician for Cosmetics, Skincare, and Anti-Aging Medicine by the Consumer Research Council of America. She was also selected as one of the Top Leaders in Healthcare and Top Aesthetic Skincare Specialist in New York by Doctors of Excellency. With passion, rich clinical cosmetic experiences and an artists talent, Dr. Long can create a younger, and more healthy natural beauty for you, fight the effect of aging, and help patients feel confident that they look their best.

Dr. Long takes the time to talk with each person – she speaks fluent English and Chinese – then customizes a treatment plan to achieve their aesthetic goals and refresh their appearance. She invites you to call her office, ask questions, or book an appointment online for a thorough skin care consultation.

Dr. Tung earned his Medical Degree from Loyola University Chicago Stritch School of Medicine. He completed his post-graduate training in Internal Medicine and Cardiology at North Shore- Long Island Jewish Medical Center. Dr. Tung is well-known for his sincere approach to patient care. He is an expert in all facets of non-invasive cardiology, including echocardiography, exercise treadmill stress test, nuclear myocardial perfusion scan, and peripheral vascular duplex (carotid, abdominal aorta, renal artery, and upper/lower extremity). Currently, he is the Medical Director of Nuclear Cardiology Imaging for our ICANL facility accreditation. Dr. Tung is board certified in Internal Medicine, Echocardiography, Nuclear Cardiology, Cardiovascular Diseases, and Cardiovascular CT.

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.