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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. R Lenahan:

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Specialties & Research

Dr. R Lenahan, MD is board certified in Emergency Medicine.

Education & Awards

Dr. Lenahan graduated from Temple University Physicians, Philadelphia.


Dr. Lenahan has 3 hospital affiliations:

  • Jennersville Regional Hospital 
  • Temple University Hospital - Episcopal Campus 
  • Episcopal Hospital 

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Additional Information
Dr. R Sean Lenahan MD is a male Emergency Medicine Specialist, has 13 years of experience and practices in Emergency Medicine.
Where does Dr. R S. Lenahan practice?
Dr. R Lenahan has 1 office location.
Dr. R Lenahan practices Emergency Medicine near West Grove, PA.
See West Grove Emergency Physicians.