DR. Ernst John Schaefer, M.D. is an endocrinology and diabetes and metabolism internal medicine in Boston, MA. The provider is an internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems. DR. Ernst John Schaefer, M.D. NPI is 1083803159. The provider is registered as an individual entity type.
The NPPES NPI record indicates the provider is a male.
The provider's business location address is:
252 TREMONT ST
BOSTON, MA
ZIP 02116-603
Phone: (781) 258-1454
The enumeration date for this NPI number is 10/15/2007 and was last updated on 10/15/2007.