Summary

Dr. Hayward Zwerling is an endocrinologist who specializes in diabetes and metabolism, along with internal medicine. He earned his medical degree from SUNY Upstate Medical University College of Medicine and completed his residency training at Vanderbilt University Medical Center. With 42 years of clinical experience, Dr. Zwerling has built extensive expertise in managing complex hormonal and metabolic conditions. He is fluent in both English and Spanish, enabling him to serve patients from diverse backgrounds.

Dr. Zwerling practices at multiple locations throughout Massachusetts, including North Chelmsford and Dracut, and maintains his hospital affiliation with Lowell General Hospital. His clinical focus includes treating high blood sugar conditions and hyperglycemic emergencies in both adults and children. He performs diagnostic tests such as creatinine clearance assessments and ankle-brachial index evaluations to monitor patient health. Patients have given Dr. Zwerling an average rating of 4.1 stars, reflecting their positive experiences with his care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.1
  • 42 years of experience
  • 6 insurance plans accepted
  • speaks English, Spanish
  • Vanderbilt University Medical Center
  • 9 written reviews
  • 2 specialties
  • 18 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 5 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Hayward Keith Zwerling has 5 locations

The Lowell Diabetes & Endocrine Center

20 Research Pl Ste 300North Chelmsford, MA 01863
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
WedClosed
Thu8:00 am - 4:00 pm
Fri8:00 am - 2:00 pm
SatClosed
SunClosed

Diabetes And Endocrine Center

9 Loon Hill Rd Ste 301Dracut, MA 01826
Mon8:30 am - 5:00 pm
TueClosed
WedClosed
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Lowell General Hospital

295 Varnum AveLowell, MA 01854

Circle Health Urgent Care Dracut

9 Loon Hill RdDracut, MA 01826
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 8:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 8:00 pm
Sat8:00 am - 8:00 pm
Sun8:00 am - 8:00 pm

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Dr. Hayward Keith Zwerling, MDDr. Joshua Levoy WibecanDr. Steven Lee ChuckDr. Sarah Elizabeth Train
Endocrinology, Diabetes & MetabolismDiagnostic RadiologyInfectious DiseaseCritical Care Medicine
Accepts New Patients
4.1 
42 Years of Experience 6 Years of Experience 42 Years of Experience 9 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
North Chelmsford , MAProvidence , RIBoston , MAMadison , WI
Med School: Suny Upstate Medical University College Of Medicine Med School: Suny Downstate Medical Center College Of Medicine Med School: University Of California San Francisco School Of Medicine Med School: West Virginia University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Hayward Keith Zwerling

  • Accepts Medicare
  • Accepts Medicaid
  • Blue Cross Blue Shield
  • Harvard Pilgrim Health Care
  • Medicare
  • Medicare - Medicare
  • Tufts Health Plan
  • UnitedHealthcare

Medical Specialties

Dr. Hayward Keith Zwerling has the following 2 specialties

Specialty Expertise

Dr. Hayward Keith Zwerling has the following 18 areas of expertise

  • Acromegaly
  • Addison Disease
  • Adrenal Gland Diseases
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes Mellitus, Type 1
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine
  • Lipid Disorders
  • Lipid Metabolism Disorders
  • Osteoporosis
  • Thyroid Diseases

Certifications, License, & Education

42 Years Experience

Education & Training

Residency

Completed their residency at Vanderbilt University Medical Center.

Medical School

Graduated from Suny Upstate Medical University College Of Medicine in 1984.

NPI Number

Dr. Zwerling's NPI number is 1447252770.

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Frequently Asked Questions

Is Dr. Hayward Keith Zwerling accepting new patients?
Dr. Hayward Keith Zwerling is accepting new patients on Vitals. View Dr. Hayward Keith Zwerling's profile on Vitals to make an appointment.
Does Dr. Hayward Keith Zwerling accept my insurance?
You can see the insurance plans that Dr. Hayward Keith Zwerling accepts on their Vitals profile.
Which hospitals is Dr. Hayward Keith Zwerling affiliated with?
Dr. Hayward Keith Zwerling is affiliated with Lowell General Hospital.
Does Dr. Hayward Keith Zwerling accept virtual/telehealth appointments?
Dr. Hayward Keith Zwerling has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Hayward Keith Zwerling's office located?
Dr. Hayward Keith Zwerling's office is located at 20 Research Pl Ste 300, North Chelmsford, MA, 01863.

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