1. Home
  2. Directory
  3. Connecticut
  4. Hampton
  5. Internal Medicine
  6. NPI Profile

LEON MCTYEIRE JOHNSTON III M.D.
NPI 1558367201
Internal Medicine in Hampton, CT

Active since June 27, 2005
217 N BIGELOW RD, HAMPTON, CT 06247(860) 455-9958 Get Directions Write a Review

NPPES record last updated: February 23, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Leon Mctyeire Johnston Iii M.d. NPPES

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

LEON MCTYEIRE JOHNSTON III M.D. (NPI 1558367201) is an individual internal medicine provider in Hampton, Connecticut, licensed in Rhode Island (MD05710) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1558367201
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameLEON MCTYEIRE JOHNSTON IIICredential: M.D.
Location Address217 N BIGELOW RDHampton, CT 06247-1439
Mailing Address217 N Bigelow RdHampton, CT 06247-1439 · (860) 455-9958
Phone(860) 455-9958
Sole ProprietorNo
Enumeration DateJune 27, 2005
Last NPPES UpdateFebruary 23, 2012
✔ NPI 1558367201 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in RI · MD05710
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
217 N BIGELOW RD, Hampton, CT 06247
Open in Google Maps ↗

Other Identifiers 4

Medicare UPINC89712
Medicare ID-Type Unspecified7008147RI
Medicaid7008147RI
Medicaid2077221MA

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 Leon Johnston's NPI number?

The NPI number for Leon Johnston is 1558367201. It was assigned to this individual provider in the NPPES registry on June 27, 2005.

Where is Leon Johnston located?

Leon Johnston practices at 217 N Bigelow Rd, Hampton, CT 06247. The listed phone number is (860) 455-9958.

What is Leon Johnston's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Leon Johnston was last updated on February 23, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.