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

Owen W Williamson MD PC

Organization Internal Medicine Physician · NPI 1326284753

Owen W Williamson MD PC is an Internal Medicine Physician in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2009.

Licensed in
PA
In the registry since
2009
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

121 E Lehigh Ave
Philadelphia, PA 19125-1011
Phone: (215) 739-2057
Fax: (215) 643-6558
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD021602E (PA)

Record details

NPI number1326284753
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Owen Williamson — Physician/Owner · (215) 739-2057
NPI enumeratedJanuary 7, 2009
Last updated in NPPESJanuary 7, 2009
Mailing addressPo Box 383, Blue Bell, PA 19422-0383

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