Talal Sharaiha, MD
Internist
Telehealth
Brooklyn, NY 11249
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Availability last updated 07/27/2026
Talal Sharaiha, MD
Internist
Telehealth
Brooklyn, NY 11249
Dr. Rafael A. Guillén is an internist in the Bronx, in New York City. As the physician at R. Guillén MD PC, Dr. Guillén offers a wide range of care including allergy care, help with obesity, hepatitis care, diabetes care, cholesterol management, high blood pressure treatment, asthma treatment, and arthritis treatment. R. Guillen MD PC is a Patient-Centered Medical Home, recognized by the National Committee for Quality Assurance for providing coordinated, advanced primary care, ensuring that patients are put in the forefront of their care, and a commitment made for continuous quality improvement. Dr. Guillén offers comprehensive health care for adults in the Bronx area. He’s bilingual in English and Spanish and has also carefully chosen a multi-lingual staff for the convenience of his patients.
Dr. Guillén attended the University Eugenio Maria de Hostos School of Medicine in the Dominican Republic. He completed his residency in Internal Medicine at the Bronx-Lebanon Hospital Center in the Bronx, New York. Dr. Guillén is a Diplomate of the American Board of Internal Medicine, and a Fellow of the American College of Physicians. He is an active member of numerous medical organizations, including the American Medical Association, the American College of Physicians, and the Dominican College of Physicians.
Dr. Guillén and his team look forward to seeing new patients and established patients alike. Contact the office anytime to arrange an appointment.
Dr. Rafael Guillen, MD
Internist
800 Grand Concourse
Suite #5
Bronx, NY 10451
Mahmoud Salem
Internist
445 77th Street
Brooklyn, NY 11209
Welcome to the Office of Dr. Irina Gressel
Irina Gressel, MD, is a skilled primary care physician and the medical director of Health Styles Medicare PC in New York City. Dr. Gressel brings her years of expertise to residents of Fort Greene, Brooklyn, and her dedication to improving the lives and health outcomes of all her patients.
Dr. Gressel completed her medical degree from Vitebsk State Medical University and an internship at Polotsk Central City Hospital, both located in Belarus. She then completed an additional internship and her residency at The Brooklyn Hospital Center in New York, where she remained as an attending physician for several years.
In addition to practicing medicine, Dr. Gressel served as a clinical instructor in medicine at New York University and is currently a clinical assistant professor of medicine through the Weill Cornell Medical College, based at The Brooklyn Hospital Center. She is a member of the American College of Physicians and the American Medical Association.
Under the direction of Dr. Gressel, Health Styles Medical Center PC is a primary care clinic dedicated to a comprehensive approach to treatment. At their modern office, Dr. Gressel and her team strive to implement the latest technology and techniques in their patients’ treatment plans. They offer a wide range of both primary care and aesthetic services, including routine annual exams, treatment for acne, Botox®, IV infusion therapy, and weight management. Dr. Gressel also offers the convenience of telemedicine services so patients can receive the care they need from the comfort of their homes.
IIrina Gressel, MD, is committed to high-quality care and service for all her patients. To make an appointment, call the office or book online today.
Dr. Irina Gressel, MD
Internist
55 Greene Ave.
Suite 1A
Brooklyn, NY 11238
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.
Dr. Alexandra Ascher, MD
Internist
960 50th Street
Brooklyn, NY 11219
Dr. Ijaz Ahmad, M.D., F.A.C.C., is an experienced cardiologist, skilled in the diagnosis and treatment of an array of heart-related diseases and conditions in patients from Park Slope and throughout Brooklyn, NY. At Park Slope Cardiac and Diagnostic, Dr. Ahmad offers patient-centered care for issues like congestive heart failure (CHF), coronary artery disease (CAD), peripheral vascular disease (PVD and PAD) and chest pain. With advanced training in cardiac diagnostic imaging, Dr. Ahmad is skilled in performing echocardiograms, nuclear stress testing and ultrasounds, as well as cardiac catheterization and other minimally-invasive procedures.
A fellow of the American College of Cardiology (F.A.C.C.), Dr. Ahmad specializes in non-invasive and minimally-invasive cardiology to help patients get the care they need while avoiding surgery whenever possible. He and his team at Park Slope Cardiac and Diagnostic are committed to providing the highest quality care throughout every phase of treatment. Patients receive compassionate, customized care focused on their needs and based on in-depth evaluations using state-of-the-art testing and diagnostic techniques and technology for long-term health and wellness. With an emphasis on prevention and education, Dr. Ahmad helps patients understand their medical issues and risks, providing them with the education they need to enjoy better health and a better quality of life.
Dr. Ahmad completed his medical degree at Allama Iqbal Medical College, followed by a residency and internship at Interfaith Medical Center and a fellowship in cardiovascular diseases at New York Methodist Hospital. Widely published in top medical journals, including the International Journal of Cardiovascular Diseases and the Journal of Nuclear Cardiology, Dr. Ahmad was awarded the New York’s Top Doctors Award in 2016. Certified in nuclear cardiology by the American Society of Nuclear Cardiology (ASNC) and echocardiography by the National Board of Echocardiography (NBE), Dr. Ahmad maintains active memberships in several professional societies, including the American College of Cardiology, the American Society of Echocardiography, the American Society of Nuclear Cardiology and the American College of Physicians.
Park Slope Cardiac and Diagnostic welcomes new patients and accepts most major insurance plans. Dr. Ahmad speaks both English and Hindi.
Dr. Ijaz Ahmad, MD
Internist
47 Plaza Street West
Brooklyn, NY 11217
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.
Dr. Hari Polavarapu, md
Internist
496 DeKalb ave
Brooklyn, NY 11205
Dr. Pedro Castillo Tallaj, MD
Internist
4502 Ditmars Blvd Ste 1028
Astoria, NY 11105
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.
Dr. Benjamin Barrah, MD
Internist
1545 Atlantic Avenue
Suite 108
Brooklyn, NY 11213
Dr. Marissa T. Santos has more than 25 years of experience as a board-certified internist and aesthetic medicine physician. At her Woodside, New York solo practice, Marissa T. Santos, M.D., Dr. Santos offers a wide variety of care for adult patients, including preventive health care, laser hair removal, CoolSculpting® fat removal, screenings including Pap smear, and many other kinds of care. As a licensed Civil Surgeon, Dr. Santos performs medical immigration exams as well.
Dr. Santos is Patient-Centered Medical Home (PCMH) certified. The PCMH certification is a highly respected one that means a physician is qualified to manage the entire spectrum of patient health needs. If patients need specialists, they’re right on the premises. Dr. Santos maintains local hospital affiliations to be there for her patients at all times,
Having earned her medical degree at the University of Santo Tomas in Manila, Philippines, Dr. Santos then continued her medical education at the State University of New York Downstate Medical Center, the Jersey Shore University Medical Center, and the New York Hospital in Queens. Dr. Santos regularly attends internal medicine conferences so that she can keep her practice up-to-date with the newest advances in medicine.
Dr. Santos speaks Spanish, English, Filipino, and Russian, and she enjoys talking with patients in the language they feel most comfortable speaking. Use the online appointment tool to schedule now, or call for an appointment with Dr. Santos.
Dr. Marissa Santos, MD
Internist
69-14 41st Avenue
Ste. C2
Woodside, NY 11377
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.
Dr. Jonas Leibowitz, MD
Endocrinologist
770 McLean Ave.
#B
Yonkers, NY 10704
Dr. Eric Cho, MD
Internist
Telehealth
Bronx, NY 10469
Prashanth Mannam, MD, has over 20 years of experience as an internist and primary care provider. He offers patient-focused care to patients aged 12 and older at Mannam Medical & Wellness in the Soundview neighborhood of The Bronx in New York City.
Dr. Mannam completed his training in medicine in Madras, India. He earned his medical degree at the Madras Medical College and served his internship at the Madras Medical College General Hospital.
After spending a year honing his skills as a primary care physician at Kommalapati Nursing Home in Ongole, India, he moved to the United States, where he completed his internal medicine residency at New York’s Montefiore North Medical Center in The Bronx. He has since become a member of the American Medical Association and is board-certified in internal medicine.
Dr. Mannam commits himself to provide personalized medical care to his community. He speaks several languages fluently: English, Spanish, Hindi, Tamil, and Telugu. Dr. Mannam takes his time with each patient, never rushing anyone, and answering questions thoroughly.
Outside of his practice, Dr. Mannam stays active by playing racquetball and tennis. He also enjoys world music and reading.
Dr. Prashanth Mannam
Internist
1170 Castle Hill Avenue
Bronx, NY 10462
Igor Chernyavskiy, MD, is a top-ranked pulmonologist and sleep medicine specialist providing patients in Brooklyn, NY 11235 with one of the best and unparalleled levels of care for an array of acute and chronic lung conditions and diseases and sleep disorders.
Dr. Chernyavskiy earned his medical degree at Krasnoyarsk State Medical University in Russia, followed by a residency in internal medicine at Monmouth Medical Center in Long Branch, NJ, and a fellowship in pulmonary care at the State University of New York (SUNY), Stony Brook.
He maintains active memberships in many medical societies including the American Academy of Sleep Medicine, the American Thoracic Society, and the American Medical Association, and is board-certified by the American Board of Sleep Medicine and by the American Board of Internal Medicine in critical care, pulmonary disease, and sleep medicine. In addition to seeing patients at his private practice, Dr. Chernyavskiy maintains hospital affiliations with Stony Brook University Medical Center and the VA Medical Center in Northport.
Dr. Chernyavskiy welcomes new patients and accepts most major insurance plans. He speaks both English and Russian.
Dr. Igor Chernyavskiy, MD
Pulmonologist
2625 E 14th Street
#201
Brooklyn, NY 11235
Elliot Decker, MD, is a highly respected and fellowship-trained physician who specializes in hand and wrist surgery at MidJersey Orthopaedics in Flemington, New Jersey.
Dr. Decker graduated from Le Moyne College in Syracuse, New York, earned his medical degree from Georgetown University in Washington, DC, and finished his studies with a residency at New York Medical College and St. Vincent’s Hospital in New York City.
He’s also completed numerous fellowships, including a fellowship in hand surgery at the Hospital for Special Surgery in New York City, and a fellowship in foot and ankle surgery at Lahey Hospital and Medical Center in Burlington, Massachusetts. He also was awarded two fellowships with the National Institute of Health, one in bone pathology at the Hospital for Special Surgery in New York City, and another in bone metabolism at the University of Connecticut in Storrs, Connecticut.
Dr. Decker stays active in his field as a member of numerous professional organizations, including the American College of Sports Medicine, the Philadelphia Hand Society, the New Jersey Orthopaedic Society, the American Medical Association, the Medical Society of the State of New Jersey, and the Hunterdon County Medical Society. He also holds leadership positions in several institutions, serving as a member of the board of trustees for the United States Department of Health and Human Services, the vice-chairman of the Harrisburg Medical Center Foundation, and a past president of the Hunterdon County Medical Society.
In his practice, Dr. Decker has expertise in hand and wrist surgery, foot and ankle surgery, general orthopaedics, and sports injuries and conditions. He’s also highly skilled in shockwave therapy, “no crutch” foot surgery, minimal incision carpal tunnel surgery, and treating work-related injuries and conditions. He prides himself on developing treatment plans that are unique to each patient.
Dr. Jerome Decker, MD
Hand Surgeon
8100 Wescott Drive
Flemington, NJ 08822
Eyad Hijazin, MD, is an internal medicine physician at Allied Healthcare Physicians, with locations in Mamaroneck and New Rochelle, New York as well as City Island in the Bronx in New York City. He serves as the owner and president of Allied Healthcare Physicians and is the medical director of Her Secret MedSpa in Mamaroneck, New York.
Dr. Hijazin has over 20 years of internal medical and medical weight loss experience. He received his medical degree from Saba University School of Medicine in the Netherlands, and he completed an internal medicine residency with the Mt. Sinai Medical Program at Bronx Veteran Affairs Campus. Dr. Hijazin offers superior comprehensive care and takes a modern approach to medicine.
Patients seeking medical weight loss, annual physicals, preventive care, disease management, or women’s health treatments can turn to Dr. Hijazin and his experienced team for quality, innovative care. He screens for, diagnoses, and manages numerous chronic conditions, such as high blood pressure, diabetes, and heart disease.
Dr. Hijazin maintains his advanced credentials and stays up to date with the latest advances in internal medicine and aesthetics to help patients look and feel their best. He holds surgical licenses in New York and Connecticut and has advanced training in cardiac life support, CPR, and emergency cardiac care.
Dr. Hijazin and his team practice in modern, clean, state-of-the-art facilities and provide a warm, welcoming environment for patients. He even offers home visits for added patient convenience. Dr. Hijazin and his team are currently accepting new patients and welcome them to Allied Healthcare Physicians.
Eyad Hijazin, MD
Internist
340 City Island Ave
The Bronx, NY 10464
Ryan Sahni, MD
Internist
36 Village Ct
Hazlet, NJ 07730
Ebrahim Sadighim, MD, a board-certified internist with extensive experience in the field, specializes in administering ketamine infusions at Long Island Ketamine Center in Manhasset, New York. Dr. Sadighim helps adults achieve rapid relief from chronic pain, Post-Traumatic Stress Disorder (PTSD), clinical depression, treatment-resistant depression, and a range of mental health disorders, including anxiety, CRPS ( Copelex Regional Pain Syndrome) , bipolar depression, and obsessive-compulsive disorder.
Dr. Sadighim received his Doctor of Medicine from Tehran University of Medical Sciences (TUMS) in Tehran, Iran, in 1977. He stayed at TUMS to complete a four-year residency in internal medicine, where he was honored to serve as the chief resident. He obtained additional training in gastrointestinal (GI) endoscopy, receiving GI endoscopy licenses from TUMS and the Ministry of Health in Iran.
After relocating to the United States, Dr. Sadighim completed a two-year internal medicine residency program at Brookdale Hospital in Brooklyn, New York. Based on his extensive training and work experience in Iran, he was awarded a one-year residency waiver from the American Board of Internal Medicine.
Dr. Sadighim received his board certification in internal medicine in 2000. He subsequently received training in basic and advanced cardiac life support. He has researched lung diseases in coal miners, publishing his research in a medical journal, and published a series of articles titled Common Diseases in Jewish People.
Before joining the team at Long Island Ketamine Center, Dr. Sadighim gained extensive experience as an internist, with nearly two decades in private practice in Great Neck, New York. In earlier years, he served as an internist at a government hospital, Salmandan Nursing Home and Dr. Sapir Hospital and Charity Center in Tehran, Iran. He also served as a member of the board of directors at Dr. Sapir Hospital.
In addition to working as a staff and attending physician at Brooklyn Hospital in Brooklyn, New York, Dr. Sadighim served as an attending physician at Long Island Jewish Hospital and an internal medicine physician at state correctional facilities in New York.
Dr. Ebrahim Sadighim, MD
Internist
138 Middle Neck Rd
Great Neck, NY 11021