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

Joseph J Williams MD PC

Organization Urology Physician · NPI 1275650442

Joseph J Williams MD PC is an Urology Physician in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2007.

Licensed in
PA
In the registry since
2007
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

5401 Old York Rd Klein Prof Bldg Ste 403
Philadelphia, PA 19141-3046
Phone: (215) 457-0700
Fax: (215) 457-0419
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence MD023619E (PA)

Record details

NPI number1275650442
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Joseph Williams — President · (215) 457-0700
NPI enumeratedMarch 23, 2007
Last updated in NPPESAugust 22, 2020
Mailing address5401 Old York Rd, Klein Prof Bldg Ste 403, Philadelphia, PA 19141-3046

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