Visitor Policy Effective 5/5/2022: TWO VISITORS at this time
COVID-19 updates - Testing & Treatment available at our Urgent Care locations

X-ray services at Lowell General Chelmsford - 10 Research Place are temporarily suspended. 

Hayward K. Zwerling MD

Hayward K. Zwerling, MD

See Locations


  • Diabetes and Endocrine Center


  • Endocrinology

Board Certifications

  • AB of Internal Medicine, Lifetime
  • AB of Internal Medicine Endocrinology, Diabetes and Metabolism - Subspecialty, Lifetime



Primary Office Location

Additional Office Locations


General Education

  • Cornell University
    New York, NY

Medical School

  • State University of New York at Syracuse
    Syracuse, NY


  • Internal Medicine
    Vanderbilt University Medical Center
    Nashville, TN


  • Endocrinology
    Massachusetts General Hospital
    Boston, MA

Keeping You Connected!

There are a number of ways to stay up to date with Lowell General Hospital. Learn more about the latest health updates on COVID-19, nutrition and wellness information available in our health library, and current hospital news and resources.