Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Leon McTyeire Johnston III, MD

Individual provider Internal Medicine Physician · NPI 1558367201

Leon McTyeire Johnston III, MD is an Internal Medicine Physician in Hampton, Connecticut. Licensed in Rhode Island. Registered with an NPI since 2005.

Licensed in
RI
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

217 N Bigelow Rd
Hampton, CT 06247-1439
Phone: (860) 455-9958
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD05710 (RI)

Record details

NPI number1558367201
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2005
Last updated in NPPESFebruary 23, 2012