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

John Robert Costello, DMD

Individual provider Dentist · NPI 1093969834

John Robert Costello, DMD is a Dentist in Newport, Rhode Island. Practices as a sole proprietor. Licensed in Rhode Island.

Licensed in
RI
In the registry since
2008
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

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Practice location Address checks out

400 Broadway
Newport, RI 02840-1733
Phone: (401) 849-8433
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 1818 (RI)

Record details

NPI number1093969834
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedNovember 6, 2008
Last updated in NPPESNovember 6, 2008

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