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
Mailing address400 Broadway, Newport, RI 02840-1733

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