Summary

Dr. Ernst Schaefer is a specialist in endocrinology, diabetes and metabolism, and internal medicine. He earned his medical degree from the prestigious Icahn School of Medicine at Mount Sinai and completed his residency at Mount Sinai Medical Center. With over five decades of medical practice, Dr. Schaefer brings extensive expertise to patient care. He is fluent in both English and German.

Dr. Schaefer practices in Framingham, Massachusetts, providing comprehensive care for patients with hormonal and metabolic conditions. His long-standing experience in endocrinology makes him well-equipped to help patients manage diabetes and other complex endocrine disorders. Patients consistently rate their experience with Dr. Schaefer highly, giving him an average rating of 5.0.

Overview based on verified provider data

Quick Facts

  • 5
  • 54 years of experience
  • speaks English, German
  • Mount Sinai Medical Center
  • 3 written reviews
  • 2 specialties
  • 16 areas of expertise
  • 2 board certifications
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Ernst John Schaefer has 2 locations

Dr. Ernst John Schaefer

200 Crossing BlvdFramingham, MA 01702

Framingham Union Hospital

115 Lincoln StFramingham, MA 01702

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Dr. Ernst John Schaefer, MDDr. Rohit Dahyabhai Vakil, MDDr. Mary Ann Valliere, MDDr. William Edward Daley, MD
Endocrinology, Diabetes & MetabolismNephrologyInfectious DiseaseEmergency Medicine
Accepts New Patients
54 Years of Experience 59 Years of Experience 37 Years of Experience 46 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, German
Framingham , MAWebster , MAWorcester , MAFramingham , MA
Med School: Icahn School Of Medicine At Mount Sinai Med School: Boston University School Of Medicine Med School: University Of Massachusetts Medical School Med School: University Of Utah School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Ernst John Schaefer

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Ernst John Schaefer has the following 2 specialties

Specialty Expertise

Dr. Ernst John Schaefer has the following 16 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperlipidemias
  • Hyperthyroidism
  • Hypertriglyceridemia
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine
  • Metabolic Syndrome X
  • Weight Loss

Certifications, License, & Education

54 Years Experience

Dr. Ernst John Schaefer holds an active medical license in the state of Massachusetts.

Medical License

Medical Doctor with an active medical license in the state of Massachusetts that expires in 2026.

Education & Training

Residency

Completed their residency at Mount Sinai Medical Center.

Medical School

Graduated from Icahn School Of Medicine At Mount Sinai in 1972.

NPI Number

Dr. Schaefer's NPI number is 1083803159.

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Frequently Asked Questions

How can I make an appointment with Dr. Ernst Schaefer?
You can find contact information for Dr. Ernst Schaefer here on Vitals.
Does Dr. Ernst Schaefer accept my insurance?
You can see the insurance plans that Dr. Ernst Schaefer accepts on their Vitals profile.
What languages does Dr. Ernst Schaefer speak?
Dr. Ernst Schaefer speaks English and German.
Does Dr. Ernst Schaefer accept virtual/telehealth appointments?
Dr. Ernst Schaefer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Ernst Schaefer's office located?
Dr. Ernst Schaefer's office is located at 200 Crossing Blvd, Framingham, MA, 01702.

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