Individual provider · Type 1 NPI

Patrick Michael Casey, DO, MS

Internal Medicine Physician · Lancaster, PA

NPI number 1114603248 Active

Practice location

555 N Duke St
Lancaster, PA 17602-2250

Fax (717) 544-8140

Other practice locations

  • 5501 Old York Rd Ste 1, Philadelphia, PA 19141-3098 · (484) 622-1000

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XOS025899 (PA)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

538 other providers at this address

Other internal medicine physician providers in Lancaster

See all in Lancaster →

About NPI 1114603248

Patrick Michael Casey, DO, MS's National Provider Identifier is 1114603248, issued on Jun 23, 2023. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Lancaster, PA. The record was last updated on Jul 13, 2026.