Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Joseph Leonard Jr., DMD

Individual provider General Practice Dentistry · NPI 1689044539

Dr. John Joseph Leonard Jr., DMD is a General Practice Dentistry in Philadelphia, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2015
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

1601 Walnut St Ste 1101
Philadelphia, PA 19102
Phone: (215) 567-0521
Fax: (215) 567-0475
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence DS017538L (PA)

Record details

NPI number1689044539
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedOctober 5, 2015
Last updated in NPPESOctober 5, 2015

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