Summary

Dr. John Poremba is an endocrinologist who specializes in diabetes and metabolism disorders. He earned his medical degree from the Uniformed Services University of the Health Sciences F E Hebert School of Medicine and brings 35 years of clinical experience to his practice. Dr. Poremba speaks English and has dedicated his career to helping patients manage complex hormonal and metabolic conditions.

Dr. Poremba practices at locations in Nashua, New Hampshire and Gardner, Massachusetts, with hospital affiliations at Elliot Hospital, Athol Hospital, and Heywood Hospital. He treats patients with Type 2 diabetes, high cholesterol, and lipid disorders in both adults and young people. His expertise includes performing blood sugar monitoring through A1c testing, complete blood counts, and continuous glucose monitoring to help patients track their diabetes management. Patients have given him an average rating of 4.2 out of 5 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.2
  • 35 years of experience
  • speaks English
  • Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine
  • 12 written reviews
  • 1 specialty
  • 13 areas of expertise
  • 1 board certification
  • 3 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. John Ambrose Poremba has 2 locations

Southern New Hampshire Diabetes And Endocrinology

17 Riverside St Ste 202Nashua, NH 03062
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Heywood Endocrinology

242 Green StGardner, MA 01440
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. John Ambrose Poremba, MDJulie Christine HoweDr. Heather Lisa Elias, MDDr. Elizabeth Herman Ensminger, MD
Endocrinology, Diabetes & MetabolismNurse PractitionerEndocrinology, Diabetes & MetabolismEndocrinology, Diabetes & Metabolism
Accepts New Patients Accepts New Patients
4.2 
4.5 
35 Years of Experience 22 Years of Experience 16 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks Spanish, English
Nashua , NHBurlington , MAWorcester , MAHaverhill , MA
Med School: Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine Med School: The Robert Larner Md College Of Medicine At The University Of Vermont Med School: University Of Miami Leonard M Miller School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Ambrose Poremba

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. John Ambrose Poremba has the following specialty

Specialty Expertise

Dr. John Ambrose Poremba has the following 13 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes, Type 2
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Weight Loss

Certifications, License, & Education

35 Years Experience

Dr. John Ambrose Poremba holds active and inactive medical licenses in the states of New Hampshire and Massachusetts.

Medical License

Medical Doctor with an active medical license in the state of New Hampshire that expires in 2027 and an inactive medical license in the state of Massachusetts that expired in 2024.

Education & Training

Medical School

Graduated from Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine in 1991.

NPI Number

Dr. Poremba's NPI number is 1104829506.

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Frequently Asked Questions

Is Dr. John Poremba accepting new patients?
Dr. John Poremba is accepting new patients on Vitals. View Dr. John Poremba's profile on Vitals to make an appointment.
What languages does Dr. John Poremba speak?
Dr. John Poremba speaks English.
Does Dr. John Poremba accept my insurance?
You can see the insurance plans that Dr. John Poremba accepts on their Vitals profile.
Which hospitals is Dr. John Poremba affiliated with?
Dr. John Poremba is affiliated with Elliot Hospital, Athol Hospital, and Heywood Hospital.
Where is Dr. John Poremba's office located?
Dr. John Poremba's office is located at 17 Riverside St Ste 202, Nashua, NH, 03062.

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