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

Individual provider Dermatology Physician · NPI 1629397120

Dr. John Byrne Fournier, MD is a Dermatology Physician in New Haven, Connecticut. Works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2010
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

20 York St
New Haven, CT 06510-3220
Phone: (203) 688-4242
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 32 Union St, Newton, MA 02459 — (617) 581-0911

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X
Dermatology Physician Taxonomy 207N00000X · Licence 261760 (MA)

Record details

NPI number1629397120
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2010
Last updated in NPPESJune 17, 2019

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