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

Individual provider Internal Medicine Physician · NPI 1225116411

Robert Thomas Johnston, MD is an Internal Medicine Physician in Pittsburgh, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1400 Locust St Ste 5106
Pittsburgh, PA 15219-5114
Phone: (412) 471-3061
Fax: (412) 471-6621
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD015363E (PA)

Record details

NPI number1225116411
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 2, 2006
Last updated in NPPESAugust 1, 2012

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