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

William J. Lien, MD, PC

Organization Family Medicine Physician · NPI 1417910340

William J. Lien, MD, PC is a Family Medicine Physician in Boyertown, Pennsylvania. Registered with an NPI since 2006.

In the registry since
2006
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

9 Rowell Rd
Boyertown, PA 19512-8933
Phone: (610) 369-0900
Fax: (610) 473-0333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X

Record details

NPI number1417910340
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Lien — President · (610) 369-0900
Other names Boyertown Family Medicine
NPI enumeratedApril 11, 2006
Last updated in NPPESNovember 27, 2007
Mailing address9 Rowell Rd, Boyertown, PA 19512-8933

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