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Medical Compass MD, led by David Dunaief, MD, is an integrative, functional, and lifestyle medicine practice with offices in Brooklyn Heights, Brooklyn, in New York City and in Setauket, New York, on Long Island.

Dr. Dunaief takes a plant-based approach to wellness as derived through nutritional medicine and lifestyle interventions that reverse, prevent and treat chronic disease. He takes an individualized approach to care, using cutting-edge medical research to guide his decision making.  

Medical Compass MD specializes in chronic care management, providing integrative medicine treatments for conditions like autoimmune disorders, diabetes, migraines, and heart disease. 

With a focus on preventive medicine, Dr. Dunaief’s integrative approach uses the low inflammatory foods every day (LIFE) diet — a plant-based, nutrient-dense, whole-foods approach to health and wellness.

Dedicated to improving health care for all, the practice produces cutting-edge research on the LIFE diet that has been published in peer-reviewed medical journals.

At Medical Compass MD, the focus is on reversing, treating, and preventing chronic disease by connecting conventional medicine with lifestyle modifications. This approach gives patients the ability to take a more proactive role in managing their own health.

For evidence-based medical care for optimal health, call Medical Compass MD or request an appointment online today.

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. Saltzman realized a calling to medicine during the height of the HIV/AIDS crisis in New York City in the mid-eighties.  Prior to entering the field of medicine Dr. Saltzman worked in the music business for record companies and publishers. Moving in the NYC club scene of the nineties, Dr. Saltzman saw many of her friends and colleagues become ill with AIDS.  She observed the rampant prejudice and stigma that LGBTQ people and IV drug users suffered, and committed herself to becoming a physician specializing in HIV/AIDS.

Despite not having a background in the sciences Dr. Saltzman was able to earn admission to medical school, while supporting herself as a single parent.  After medical school, she chose to do her residency at St. Vincent’s Hospital in New York City, which was at the forefront of providing specialized treatment for patients with HIV/AIDS.  After completing her residency, she practiced at the Samuels Clinic at Roosevelt Hospital (now The Institute for Advanced Medicine at Mount Sinai), a major outpatient center for patients during the epidemic.  While practicing at the Samuels Clinic, Dr. Saltzman was an early prescriber of the “triple cocktail”, the first effective combination therapy for HIV.

Dr. Saltzman’s interest in addiction was born out of her experience providing care for HIV/AIDS patients who were often IV drug users. She was one of the first physicians in New York City to embrace the use of Suboxone, a novel medication for the treatment of opiate addiction, that allows patients to access treatment without daily clinic visits as is the case with methadone therapy.  Suboxone was one of the first therapies approved for in-office prescribing under the federal Drug Addiction Treatment Act of 2000. By prescribing Suboxone on an outpatient basis Dr. Saltzman is able to help patients get back to their work and family, and functioning at a high level.

Dr. Saltzman founded her busy Midtown Health and Wellness Center in 2000.  She focuses on providing individualized care, realizing that patients need more than the standardized approach for addiction treatment.  Dr. Saltzman provides guidance through all stages of recovery, supporting patients with primary care, individual and group therapy. She feels addiction is treated incorrectly in many settings with a focus on simply handing out prescriptions, instead of a more comprehensive approach.
Dr. Saltzman is a well-known expert in the field of addiction and regularly expresses her views on television, radio, and in the press.  She uses warmth and humor to engage with her patients. She understands where they’re coming from and does not judge them, using empathy and compassion to deliver the most appropriate individualized treatment options.

Natalie Marks, MD, is a board-certified vascular surgeon 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. Marks 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. Marks 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. Marks 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 (RDMS) for vascular technology.

In addition to her time at the Vascular Institute of New York, Dr. Marks 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. Natalie Marks' online profile.

Elizabeth Sharp Edens, M.D., DABOM, IFMCP is a board-certified Internal Medicine and Obesity Medicine Physician, Institute for Functional Medicine Certified Practitioner and the founder of Health Meets Wellness. Dr. Sharp started Health Meets Wellness to make functional medicine more accessible, combining her expertise in healthcare with physical activity, specifically yoga. Dr. Sharp completed her 200-hour yoga teacher training and believes in combining daily movement practices with medicine to help treat her patients. She is dedicated to helping her patients reach their wellness goals and developed the Health Meet Wellness method with Troy Flanagan, Ph.D. and Susie Parker-Simmons, RDN, specifically to help patients with weight management. 

In addition to her innovative practice, she is an Assistant Professor at Mount Sinai Hospital. She graduated medical school Magna Cum Laude from St. George’s University and completed her residency in Manhattan at Lenox Hill Hospital. After residency, she worked for Mount Sinai Doctors where she was awarded the Cullman Family Award for Excellence in Physician Communication and worked at OneMedical. Through her education and real-life experience, Sharp uncovered that taking a functional medicine approach helps diagnose and treat the root cause of her patient’s symptoms and disease processes. Her patient-centered style of practice combines diet and lifestyle with medicine to deliver multifaceted, holistic care for her patients. When she's not seeing patients she enjoys cooking, hiking, rock climbing , running, yoga and spending time with her friends and family.

Jeffrey Crespin, MD

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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. 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.

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. 

Vincent Leddy, MD, is a board-certified internal medicine physician at Vantage Medical Associates, P.C., which has locations in The Bergen Beach, Coney Island, Williamsburg, and Sheepshead Bay neighborhoods of Brooklyn, the Far Rockaway neighborhood of Queens, and Brentwood and Babylon, New York.

Dr. Leddy studied at Marist College in Poughkeepsie, New York, earning his undergraduate degree in biology. After graduation, he enrolled at Universidad Autónoma de Guadalajara (UAG) in Guadalajara, Mexico, and obtained his medical degree.

Before entering private practice, Dr. Leddy completed an internal medicine internship and residency at Long Island Hospital in Brooklyn, New York. There, he received extensive training in all aspects of pain management, including corticosteroid injections and orthopedic surgery. 

Dr. Leddy is an immigration-certified and Department of Transportation-certified physician. He speaks English and Spanish fluently.

Outside of work, Dr. Leddy regularly participates in continuing education. He also enjoys public speaking and is often a guest lecturer and presenter at industry conferences and events.

Dr. Leddy welcomes anyone experiencing acute or chronic pain to Vantage Medical Associates, P.C., 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. 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.

 

 

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. 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.