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

Mr. Matthew Carriero Johnson, MD

Individual provider Child & Adolescent Psychiatry Physician · NPI 1255835245

Mr. Matthew Carriero Johnson, MD is a Child & Adolescent Psychiatry Physician in Hartford, Connecticut. Practices as a sole proprietor and works from 2 locations. Licensed in Connecticut.

Licensed in
CT
In the registry since
2018
Specialties on file
2
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

282 Washington St
Hartford, CT 06106-3322
Phone: (860) 545-9000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 30 Old Kings Hwy S, Darien, CT 06820-4526 — (203) 295-4340

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 70249 (CT)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence 70249 (CT)

Record details

NPI number1255835245
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 22, 2018
Last updated in NPPESAugust 3, 2025
Certification dateAugust 3, 2025

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