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

John Patrick Costello, DMD

Individual provider Dentist · NPI 1346698420

John Patrick Costello, DMD is a Dentist in Salem, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2016
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

129 Highland Ave
Salem, MA 01970-2774
Phone: (978) 744-7575
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence DN1857197 (MA)

Record details

NPI number1346698420
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedMay 30, 2016
Last updated in NPPESMay 30, 2016

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