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

Dr. Joseph Cassilly, MD

Individual provider Emergency Medicine Physician · NPI 1184859498

Dr. Joseph Cassilly, MD is an Emergency Medicine Physician in York, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2009.

Licensed in
PA
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1001 S George St
York, PA 17403-3676
Phone: (717) 851-2753
Fax: (717) 851-3020
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MT194779 (PA)

Record details

NPI number1184859498
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 16, 2009
Last updated in NPPESFebruary 3, 2022
Certification dateFebruary 3, 2022

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