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

Thomas J. Definnis, DMD, PC

Organization General Practice Dentistry · NPI 1013384924

Thomas J. Definnis, DMD, PC is a General Practice Dentistry in Wynnewood, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2015.

Licensed in
PA
In the registry since
2015
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

300 E Lancaster Ave Ste 101
Wynnewood, PA 19096-2139
Phone: (610) 642-0139
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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 DS029872L (PA)

Record details

NPI number1013384924
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Thomas Definnis — Owner · (610) 642-0139
NPI enumeratedAugust 26, 2015
Last updated in NPPESAugust 26, 2015
Mailing address300 E Lancaster Ave, Suite 101, Wynnewood, PA 19096-2139

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