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
  • 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, MDHoward Haym HiattHannah Ellen ToonMarise Suss Gottlieb
Endocrinology, Diabetes & MetabolismPublic Health & General Preventive MedicineAnesthesiologyPublic Health & General Preventive Medicine
Accepts New Patients
4.1 
42 Years of Experience 78 Years of Experience 28 Years of Experience 64 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
North Chelmsford , MABoston , MAWatertown , MACAMBRIDGE , MA
Med School: Suny Upstate Medical University College Of Medicine Med School: Harvard Medical School Med School: Jacobs School Of Medicine & Biomedical Sciences At The Univ Of Buffalo Med School: New York 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

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

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