Dr. Sagy Grinberg
Internal Medicine Physician · Fellowship-Trained in Infectious Diseases
Dr. Sagy Grinberg is a board-certified internal medicine physician whose career is defined by a deep commitment to understanding and treating the complexities of adult health. With fellowship training in infectious diseases, he has spent years refining his ability to diagnose, manage, and prevent conditions that challenge the human body. From his early academic achievements to his hands-on work in hospitals and research labs, Dr. Grinberg has built a reputation as both a skilled clinician and a thoughtful educator.
This blog is his way of bringing medicine closer to you. Here, Dr. Grinberg shares insights from his extensive training and clinical experience, offering clear, evidence-based perspectives on topics ranging from chronic disease management to the science of staying well. His goal is simple: to demystify internal medicine and empower readers with knowledge they can use to lead healthier lives. Whether he’s explaining how infections spread or sharing tips for wellness, Dr. Grinberg’s writing reflects his curiosity, compassion, and dedication to making a difference—one reader at a time.
More About Dr. Sagy Grinberg.
- Education:
- Associate in Arts in Pre-Medical Studies, with highest honors, Broward College.
- Bachelor of Science in Biological Sciences, summa cum laude, Florida International University; inducted into Phi Beta Kappa and Golden Key honor societies.
- Doctor of Medicine (M.D.), cum laude, St. George’s University, 2016; recognized by the Iota Epsilon Alpha International Medical Honor Society.
- Training & Experience:
- Internal medicine residency (2016–2019) and infectious diseases fellowship (2019–2021), Newark Beth Israel Medical Center, managing diverse and complex patient cases.
- Moonlighting hospitalist, Hudson Regional Hospital (2020–2022), providing specialized care in high-pressure settings.
- Founder and owner of Queens Medical Professional PC, a New York orthopedic practice.
- Credentials & Focus:
- Board-certified in internal medicine by the American Board of Internal Medicine (ABIM).
- Fellowship-trained in infectious diseases, with clinical interest in infection control, antimicrobial stewardship, and the diagnosis and management of common and complex infections.
- Published and presented clinical research in infectious diseases and internal medicine (see below).
- Interests:
- Translating complex medical concepts into accessible, practical guidance for patients and readers.
- Advancing medical education through mentorship and writing.
- Staying engaged with developments in treatment and preventive care.
Peer-Reviewed Publications
- Nagarakanti SR, Okoh AK, Grinberg S, Bishburg E. Clinical outcomes of patients with COVID-19 and HIV coinfection. Journal of Medical Virology. 2021;93(3):1687–1693.
- Okoh AK, Bishburg E, Grinberg S, Nagarakanti S. Tocilizumab use in COVID-19–associated pneumonia. Journal of Medical Virology. 2021;93(2):1023–1028.
- Masukume G, Mapanga W, Grinberg S, van Zyl DS. COVID-19 and HIV co-infection: an emerging consensus. Journal of Medical Virology. 2021;93(1):170–171.
- Okoh AK, Bishburg E, Grinberg S, Nagarakanti S. COVID-19 pneumonia in patients with HIV — a case series. Journal of Acquired Immune Deficiency Syndromes. 2020;85(1).
- Grinberg S, Bishburg E, Nagarakanti SR. Embolic Serratia aortic valve endocarditis. IDCases. 2020;22:e00953.
- Nagarakanti SR, Bishburg E, Grinberg S. Mastoiditis, osteomyelitis, and septic arthritis of the temporomandibular joint. Ear, Nose & Throat Journal. 2022;101(2):81–82.
- Fadhlaoui-Zid K, Chennakrishnaiah S, Zemni R, Grinberg S, Herrera RJ, Benammar-Elgaaied A. Sousse, Tunisia: tumultuous history and high Y-STR diversity. Electrophoresis. 2012;33(23):3555–3563.
Selected Abstracts & Presentations
- The utility of sequential echocardiograms in diagnosing coagulase-negative Staphylococcus bacteremia endocarditis. Journal of the American College of Cardiology. 2021;77(18 Suppl 1).
- Infective endocarditis: what does the surgical specimen teach us? A real-life experience. Open Forum Infectious Diseases. 2017;4(Suppl 1).
- Empiric acyclovir use for suspected herpes simplex meningoencephalitis: how are we doing? Open Forum Infectious Diseases. 2016;3(Suppl 1).

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Dr. Sagy Grinberg’s Internal Medicine Blog
The information on this blog is for general knowledge and is not a substitute for professional medical advice and does not create a physician–patient relationship. Have a question or a topic you’d like covered? Get in touch.