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DR. JOHN W. HARE M.D,
NPI 1861536450
Internal Medicine - Endocrinology, Diabetes & Metabolism in Boston, MA

Active since February 16, 2007
1 JOSLIN PL, BOSTON, MA 02215(617) 226-5858(617) 226-5859 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. John W. Hare M.d, NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN W. HARE M.D, (NPI 1861536450) is an individual endocrinology, diabetes & metabolism provider in Boston, Massachusetts, licensed in Massachusetts (36947) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1861536450
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. JOHN W. HARECredential: M.D,
Location Address1 JOSLIN PLBoston, MA 02215-5306
Mailing Address1 Joslin PlBoston, MA 02215-5306 · (617) 226-5858 · Fax (617) 226-5859
Phone(617) 226-5858
Fax(617) 226-5859
Sole ProprietorNo
Enumeration DateFebruary 16, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1861536450 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in MA · 36947
Definition
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.
1 JOSLIN PL, Boston, MA 02215
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. EDWARD SCHURR HORTON M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 309-2400
MS. LOUISE AMBLER OSBORN CPNP
Nurse Practitioner (Pediatrics)
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 732-2603
DR. JASON L GAGLIA M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1 JOSLIN PL, ROOM 470
BOSTON, MA 02215
Suffolk County (617) 732-2675
KARA ROMAN HARRINGTON PHD
Psychologist
1 JOSLIN PL, DEPARTMENT OF PEDIATRICS
BOSTON, MA 02215
Suffolk County (617) 732-2603
CATERINA MORGERA MS, RD, LDN, CDOE
Dietitian, Registered
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 309-2440
MR. JOYCE KEADY PNP, RN
Nurse Practitioner (Pediatrics)
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 309-4499
DR. JASON NOBLE M.D.
Ophthalmology
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 732-2586
ASSEL TALASPAYEVA MD
Ophthalmology
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 309-2400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Hare's NPI number?

The NPI number for John Hare is 1861536450. It was assigned to this individual provider in the NPPES registry on February 16, 2007.

Where is John Hare located?

John Hare practices at 1 Joslin Pl, Boston, MA 02215. The listed phone number is (617) 226-5858.

What is John Hare's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for John Hare was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.