Publications:30
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Accepting New PatientsAlexander C Kagen, MD
Radiology
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About Me
Dr. Kagen is the Site Chair of Diagnostic, Molecular and Interventional Radiology at Mount Sinai West and Mount Sinai Morningside Hospitals since 2015. He also is the past Co-Founder and Chief Medical Officer of Nines, an artificial intelligence powered radiology-as-a-service solution.
Dr. Alexander Kagen is a recognized authority in the field of Body MRI and has been named as one of New York’s Top Doctors every year since 2019 by New York Magazine. He serves on local, national and international committees and has lectured both nationally and internationally on imaging of liver disease, prostate, gastrointestinal and pancreaticobiliary MRI.
Dr. Kagen has multiple peer-reviewed publications and has research interests in MR angiography for perforator flap reconstruction mapping and vascularized lymph node transfer assessment.
He served as Chair of the Radiology-Pathology working group of the American College of Radiology (ACR) Liver Imaging and Reporting Database System (LI-RADS), and is a member of the ACR Magnetic Resonance Prostate Imaging and Reporting Database System (MR-PI-RADS) Committee.
Dr. Kagen received his medical degree from the College of Medicine at SUNY Downstate Medical Center where he also completed his residency, after a medicine internship at Lenox Hill Hospital. He completed a clinical fellowship in Body MRI at Johns Hopkins Hospital in Baltimore.
Language
Position
Hospital Affiliations
- Mount Sinai Beth Israel
- Mount Sinai Morningside
- Mount Sinai Brooklyn
- Mount Sinai Queens
- The Mount Sinai Hospital
- Mount Sinai West
Research Topics
Cancer, Cardiovascular, Computed Tomography, Imaging, Liver, MRI, Magnetic Resonance Imaging, Prostate
About Me
Dr. Kagen is the Site Chair of Diagnostic, Molecular and Interventional Radiology at Mount Sinai West and Mount Sinai Morningside Hospitals since 2015. He also is the past Co-Founder and Chief Medical Officer of Nines, an artificial intelligence powered radiology-as-a-service solution.
Dr. Alexander Kagen is a recognized authority in the field of Body MRI and has been named as one of New York’s Top Doctors every year since 2019 by New York Magazine. He serves on local, national and international committees and has lectured both nationally and internationally on imaging of liver disease, prostate, gastrointestinal and pancreaticobiliary MRI.
Dr. Kagen has multiple peer-reviewed publications and has research interests in MR angiography for perforator flap reconstruction mapping and vascularized lymph node transfer assessment.
He served as Chair of the Radiology-Pathology working group of the American College of Radiology (ACR) Liver Imaging and Reporting Database System (LI-RADS), and is a member of the ACR Magnetic Resonance Prostate Imaging and Reporting Database System (MR-PI-RADS) Committee.
Dr. Kagen received his medical degree from the College of Medicine at SUNY Downstate Medical Center where he also completed his residency, after a medicine internship at Lenox Hill Hospital. He completed a clinical fellowship in Body MRI at Johns Hopkins Hospital in Baltimore.
Language
Position
Hospital Affiliations
- Mount Sinai Beth Israel
- Mount Sinai Morningside
- Mount Sinai Brooklyn
- Mount Sinai Queens
- The Mount Sinai Hospital
- Mount Sinai West
Research Topics
Cancer, Cardiovascular, Computed Tomography, Imaging, Liver, MRI, Magnetic Resonance Imaging, Prostate
Education
MD, SUNY Downstate Health Sciences University - College of Medicine
Internship, Internal Medicine
Northwell Health - Lenox Hill Hospital
Residency, Radiology, General
SUNY Downstate Medical Center
Fellowship, Magnetic Resonance Imaging (MRI)
Johns Hopkins Hospital
Certifications
American Board of Radiology
Awards
2018-2023
Top Doctors New York Metro Area
2017
Super Doctors New York
2015
Top People to Watch in Radiology 2015
2014
Super Doctors New York Rising Stars
2013
Certificate of Merit Award
RSNA
2012
Award Winning Abstract
American Roentgen Ray Society
2011
Attending of the Year
Mount Sinai Beth Israel
2011
AUR-AGFA Radiology Management Program
2010
Certificate of Appreciation
Myanmar American Medical Education Society
2008
Roentgen Resident/Fellow Research Award
RSNA
Research
Dr. Kagen has worked with engineers and data scientists in artificial intelligence and machine learning to expedite diagnoses of various conditions, deploy models to improve efficiency and throughput, and to help uncover bias. He is also a recognized leader in developing novel ways to use MRI to characterize and monitor patients with lymphedema, and to evaluate pre-operatively breast cancer patients undergoing autologous-based tissue flap reconstruction. Previously, he has used novel MRI techniques and coils in the field of prostate MRI in order to improve patient comfort and image quality during prostate MRI examinations. He also focuses his research on diseases of the liver, with special attention to novel molecular imaging agents in MRI which can help provide insight into hepatocellular tumor biology.
Locations
Insurance Information
Accepted insurance may vary by the doctor’s office location. Please contact the office directly to obtain the most up-to-date insurance information.
Patients with Cigna Medicare Advantage or Humana Medicare Advantage insurance: Please read this important message before booking to find out if out-of-network costs may apply to your next visit.
- Mount Sinai Morningside1111 Amsterdam Ave., 3rd flr, New York, NY, 10025
- Mount Sinai West1000 Tenth Avenue, 4th flr, New York, NY, 10019
Physicians who provide services at hospitals and facilities in the Mount Sinai Health System might not participate in the same health plans as those Mount Sinai hospitals and facilities (even if the physicians are employed or contracted by those hospitals or facilities).
Information regarding insurance participation and billing by this physician may be found on this page, and can also be obtained by contacting this provider directly. Because physicians insurance participation can change, the insurance information on this page may not always be up-to-date. Please contact this physician directly to obtain the most up-to-date insurance information.
Insurance and health plan networks that the various Mount Sinai Health System hospitals and facilities participate in can be found on the Mount Sinai Health System website.
Publications
Selected Publications
- Implementation of Medical Students as Radiology Reading Room Coordinators. Nicolas Gillingham, Divya Gupta, Amita Kamath, Alexander Kagen. Current Problems in Diagnostic Radiology
- Benign and Malignant Ovarian Teratomas: Multimodality Imaging Findings with Histopathologic Correlation. Indira Laothamatas, Eric Fang, Justine Lee, Syed Muhammad Hashim Abbas, Juan Ding, Alexander Kagen, Konstantin Zakashansky, Bachir Taouli, Amita Kamath, Michael J. King. Journal of Computer Assisted Tomography
- Periumbilical Anatomy of Scarpa's Fascia: Rationale Behind a "Modified Scarpa's" Abdominal Closure Technique. Uchechukwu O. Amakiri, Florence Xini Doo, Annet Kuruvilla, Taylor J. Ibelli, Gabrielle Hernaiz De Jesús, Alexander Kagen, Peter W. Henderson. Annals of Plastic Surgery
Industry Relationships
Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device, biotechnology companies, and other outside entities to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their outside financial relationships.
Below are financial relationships with industry reported by Dr. Kagen during 2024 and/or 2025. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.
Consulting or Other Professional Services Examples include, but are not limited to, committee participation, data safety monitoring board (DSMB) membership
- Ascelia Pharma
- Bayer AG
- Sirona Medical
Equity (Stock or stock options valued at greater than 5% ownership of a publicly traded company or equity of any value in a privately held company)
- Sirona Medical
Mount Sinai's faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.
Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device, biotechnology companies, and other outside entities to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their outside financial relationships.
Below are financial relationships with industry reported by Dr. Kagen during 2024 and/or 2025. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.
Consulting or Other Professional Services Examples include, but are not limited to, committee participation, data safety monitoring board (DSMB) membership
- Ascelia Pharma
- Bayer AG
- Sirona Medical
Equity (Stock or stock options valued at greater than 5% ownership of a publicly traded company or equity of any value in a privately held company)
- Sirona Medical
Mount Sinai's faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.