Dr. Rekhtman is an Assistant Professor in the Department of Dermatology at the Donald and Barbara Zucker School of Medicine at Hofstra / Northwell. He is board certified in dermatology by the American Board of Dermatology. Dr. Rekhtman is also the Co-Director of the Inpatient Dermatology Consultation Service at Northshore University Hospital, Long Island Jewish Hospital, and Cohen’s Children Medical Center. He additionally serves as the Program Director for the Residency Training Program in Dermatology at Northwell Health.
Dr. Rekhtman received a Doctorate in Pharmacy from the Massachusetts College of Pharmacy and Health Sciences. While working as a clinical pharmacist at Beth Israel Deaconess Medical Center, Dr. Rekhtman also pursued a Master of Public Health specializing in Healthcare Policy and Management at the Boston University School of Public Health. This led to his induction into the Delta Omega Honor Society for public health and the Upsilon Phi Delta Honor Society for healthcare management. Dr. Rekhtman went on to earn is medical degree from the Virginia Commonwealth University School of Medicine where he was inducted into the Alpha Omega Alpha Honor Medical Society. He subsequently completed his residency in dermatology at Northwell Health where he served as Academic Chief Resident in his final year. Dr. Rekhtman’s clinical interests include inpatient consultative dermatology, cutaneous drug toxicities, general dermatology, complex medical dermatology, and rheumatic skin diseases (i.e. lupus, dermatomyositis, psoriasis, vasculitis, etc.). His Research interests are primarily focused on inpatient and acute dermatologic conditions as well as on cutaneous drug toxicities.
Dr. Rekhtman also has a strong interest in medical student and dermatology resident education. Dr. Rekhtman has served in a variety of leadership roles, including membership on the Council of Science and Research, as well as the Healthcare Finance Committee within the American Academy of Dermatology. He also serves on multiple graduate medical educational committees within Northwell Health.
Board certifications
American Board of Dermatology
Administrative titles
Residency Program Director – Dermatology
Academic titles
Assistant Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Education
Virginia Commonwealth University Medical School
Residencies
Hofstra North Shore-Lij School Of Medicine
Dr. Shaigany is an Assistant Professor for the Department of Dermatology at the Donald and Barbara Zucker School of Medicine at Hofstra / Northwell. She also serves as Co-director of the Inpatient Dermatology Consultative Service and as an Attending Physician for the Cutaneous Toxicities to Chemotherapies Program in partnership with the Monter Cancer Center.
Dr. Shaigany has an undergraduate degree in Theater from Northwestern University and worked as a professional actor in New York prior to switching to a career in medicine. She subsequently earned her medical degree from Columbia University College of Physicians and Surgeons. Dr. Shaigany completed her dermatology residency training at New York University. She also completed a research fellowship at Columbia University with a focus on melanocyte biology and BRAF mutated melanoma.
Dr. Shaigany is the recipient of Rudin Foundation Grants for research involving the diagnosis of pyoderma gangrenosum and its associated comorbidities, as well as the diagnosis of cutaneous infection. She was awarded a grant from the American Skin Association for her research on melanoma. She was also awarded with a Women s Dermatologic Society Mentorship Award for her interest in complex medical dermatology. Dr. Shaigany has authored several peer-reviewed articles that have been published in the Journal of the American Academy of Dermatology (JAAD), Lancet, among others.
Dr. Shaigany s subspecialty interest encompasses a wide variety of skin conditions including neutrophilic dermatoses (i.e. pyoderma gangrenosum, Sweet syndrome), cutaneous toxicities to chemotherapy, cutaneous vasculitis, cutaneous infection, dermatomyositis and other connective tissue disorders, drug rashes and inflammatory skin disease (i.e. atopic dermatitis and psoriasis). In addition to her interests in complex medical dermatology, she also enjoys seeing patients with more routine general cosmetic and medical dermatology concerns.
Academic titles
Assistant Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Education
Columbia University College of Physicians & Surgeons
Residencies
NYU Medical Center
Alexander Barbaro, MD, specializes in medical oncology, hematology and internal medicine, and is an assistant professor at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell.
Drawing on a lifelong love of science, Dr. Barbaro first became attracted to medicine because it combined research with making a difference in people’s lives. After earning his medical degree at Temple University School of Medicine, he did a residency at Montefiore Medical Center and a fellowship at NYU Langone Health. He chose oncology as a specialty because, during training, he saw and appreciated the patient-doctor relationships forged in that field.
In some specialties, you may see a patient once for 15 minutes. But with oncology, you’re on a journey with a patient, you’re working together,
he says. You have deep, meaningful relationships and that’s what attracted me, along with the innovations in cancer care, which are very exciting.
Dr. Barbaro joined Northwell in 2023, in part because it allowed him to expand his ability to teach. He’d been a physics tutor in college, and then received a commendation during residency for organizing lectures for medical students. That passion for education extends to patient care because it provides a level of empowerment and advocacy that’s essential for oncology patients and their families, he believes.
Doctors should be teachers as well as care providers,
says Dr. Barbaro. I take the approach where I’m not just spitting jargon at patients, I’m helping them understand what it means to have this diagnosis and what treatment entails. It’s incredibly important to me to educate patients in a way that gives them more confidence and a sense of control over their care.
He’s establishing a working group at Northwell focusing on patient education, especially when it comes to side effects of new cancer therapies. His goal is to stratify risks and anticipate side effects in a way that leads to minimizing them, in order to keep boosting beneficial outcomes.
In terms of what patients have taught him, Dr. Barbaro says he’s learned about resiliency, particularly in the midst of a difficult diagnosis. He’s often inspired by the strength of his patients, as well as that of their families and friends. Almost every day, I’m impressed by the human spirit,
he says.
Board certifications
American Board of Internal Medicine
American Board of Internal Medicine/Hematology
American Board of Internal Medicine/Medical Oncology
Academic titles
Assistant Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Education
The Lewis Katz School of Medicine at Temple University
Residencies
Montefiore Medical Center/Einstein Division of Nuclear Medicine
Fellowships
New York University School of Medicine
Board certifications
American Board of Internal Medicine
American Board of Internal Medicine/Infectious Disease
Administrative titles
Chief – Public Health & Epidemiology Officer, of Medicine – Infectious Diseases North Shore University Hospital
Academic titles
Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Education
Northwestern University Feinberg School of Medicine
Residencies
University of Virginia Health System
Fellowships
Beth Israel Deaconess Medical Center-West Campus
University of Virginia Health System
Massachusetts General Hospital
Northwell Health Physician Partners Recognition Awards
Distinguished Physician Award Recipient (2025)
Board certifications
American Board of Internal Medicine
American Board of Internal Medicine/Rheumatology
Administrative titles
Chief of Division – Rheumatology, of Medicine – Allergy Immunology and Rheumatology North Shore University Hospital
Chief of Division – Allergy and Immunology, Department of Medicine, Long Island Jewish Medical Center
Academic titles
Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Education
Weill Cornell Medicine Cornell University
Fellowships
Hospital for Special Surgery
Dr. Garg is a Professor and the Founding Chair for the Department of Dermatology at the Donald and Barbara Zucker School of Medicine at Hofstra / Northwell. He is a Professor in the Center for Health Innovation and Outcomes Research at the Feinstein Institutes for Medical Research. Dr. Garg also serves as Chair of the Board of Governors for Northwell Health Physician Partners. He is board certified in Dermatology by the American Board of Dermatology. Dr. Garg earned his medical degree from the University of Massachusetts Medical School. He completed his internship and residency in dermatology at the University of Illinois at Chicago. He has held faculty positions at University of Massachusetts and at Boston University Medical Center, where he directed the Residency Training Program in Dermatology as well as the undergraduate medical curricula in dermatology for the school of medicine.
Dr. Garg’s funded research interests include identification of comorbidities using Big Data, and development of disease and outcome measures in hidradenitis suppurativa and psoriasis. Through his grants, Dr. Garg has also developed innovative teaching strategies to improve training and education outcomes, including the development and validation of a skin cancer OSCE. He has published a number of articles in the peer-reviewed literature and has authored several book chapters. Dr. Garg has had leadership roles within prominent national professional organizations, including the American Academy of Dermatology, the American Board of Dermatology, the Accreditation Counsel of Graduate Medical Education, the Association of Professors of Dermatology, the Medical Dermatological Society, the National Psoriasis Foundation, the Hidradenitis Suppurativa Foundation, the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis, and the CHORD COUSIN Collaboration (C3). Dr. Garg also serves on editorial boards for the Journal of the American Academy of Dermatology. He is editor-in-chief of the first edition book on Rheumatic Skin Diseases. Dr. Garg was awarded the 2016 Thomas G. Pearson, EdD Memorial Education Award by the American Academy of Dermatology. Dr. Garg has achieved international recognition as a skilled medical dermatologist and a medical educator. His subspecialty expertise is in interdisciplinary based care for patients with autoimmune and inflammatory skin diseases including psoriasis, hidradenitis suppurativa, lupus, dermatomyositis, and vasculitis.
Board certifications
American Board of Dermatology
Administrative titles
Chairperson – Department of Dermatology, North Shore University Hospital
Acting Chairman, of Dermatology Lenox Hill Hospital
Chairperson – Department of Dermatology, Long Island Jewish Medical Center
Academic titles
Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Chief resident
University of Illinois at Chicago
Education
University Massachusetts Medical School
Residencies
University of Illinois at Chicago
Kenar D. Jhaveri, MD, is Professor of Medicine and Associate Chief in the Division of Kidney Diseases and Hypertension at Northwell Health and Zucker School of Medicine at Hofstra/Northwell. He completed his residency training at Yale University New Haven Hospital in Internal Medicine and then a fellowship in Nephrology at New York Presbyterian Hospital-Weill Cornell campus. His clinical interests are in glomerular diseases and onconephrology( cancer and its effect on the kidney). He is the founding member of the American Society of Onconephrology.
He is a columnist for the ASN Kidney News for the section called “Detective Nephron.” His interest in nephrology education is vested in using creative ways of teaching nephrology to medical students, residents, and fellows. He has published on onconephrology, Glomerular diseases, AKI and also in using social media and other innovative tools (games, concept maps, role playing, creative writing) to make nephrology a fun and exciting field. His most recent projects are in learning about renal toxicities of targeted oncological agents, immunotherapies, and COVID related AKI and glomerular diseases.
Board certifications
American Board of Internal Medicine
American Board of Internal Medicine/Nephrology
Administrative titles
Associate Chief – Nephrology
Education
Upstate Medical University: College of Health Professions
Residencies
Yale University School of Medicine
Fellowships
New York Presbyterian Hospital-Weill Cornell
Board certifications
American Board of Internal Medicine/Rheumatology
Administrative titles
Director – Myositis and Vasculitis Center, of Medicine – Rheumatology Long Island Jewish Medical Center
Academic titles
Associate Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Education
Novosibirskij Medicinskij Institut
Residencies
North Shore University Hospital-Forest Hills Internal Medicine
Fellowships
NYU Langone Orthopedic Hospital
Board certifications
American Board of Pediatrics/Gastroenterology
Academic titles
Assistant Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Education
SUNY Downstate Medical Center
Residencies
Children’s Hospital of Philadelphia
Fellowships
Children’s Hospital of Philadelphia
Board certifications
American Board of Internal Medicine/Rheumatology
Academic titles
Associate Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Chief resident
New York University Langone Medical Center
Education
Upstate Medical University: College of Health Professions
Residencies
New York University Langone Medical Center
Fellowships
New York University Langone Medical Center
Dr. Purva Sharma is a board-certified Nephrologist and Co-Director of the Glomerular Disease Center at the Donald and Barbara Zucker School of Medicine at Northwell. Dr. Sharma completed her Internal Medicine Residency at the University of Connecticut and Nephrology Fellowship at Johns Hopkins University School of Medicine.
Her clinical interests include glomerular diseases, acute kidney injury and critical care nephrology. She is well-published and plays a key teaching role in various international nephrology organizations. She is also the Co-Director of Galdi Fellowship in Onco-Nephrology and Glomerular Diseases and heads the Glomerular Disease Trials and Research Division at Northwell.
Board certifications
American Board of Internal Medicine
American Board of Internal Medicine/Nephrology
Academic titles
Assistant Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Education
Lady Hardinge Medical College
Residencies
University of Connecticut School of Medicine
Fellowships
Johns Hopkins University School of Medicine
Board certifications
American Board of Internal Medicine/Gastroenterology
Administrative titles
Director – Inflammatory Bowel Disease Program, of Medicine – Gastroenterology Long Island Jewish Medical Center
Director – Inflammatory Bowel Disease Program, of Medicine – Gastroenterology North Shore University Hospital
Education
State University of NY at Stony Brook School of Medicine
Residencies
St. Barnabas Medical Center
Northwell Health – Lenox Hill Hospital
Fellowships
Northwell Health – Lenox Hill Hospital
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