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

William J Castellani, MD

Individual provider Clinical Pathology/Laboratory Medicine Physician · NPI 1164486320

William J Castellani, MD is a Clinical Pathology/Laboratory Medicine Physician in Hershey, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

500 University Dr
Hershey, PA 17033-2360
Phone: (800) 233-4082
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Pathology/Laboratory Medicine Physician (primary) Taxonomy 207ZP0105X · Licence MD426552 (PA)

Record details

NPI number1164486320
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2006
Last updated in NPPESSeptember 21, 2009

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