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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. Richard Lennihan:

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Specialties & Research

Dr. Richard Lennihan, MD is board certified in Surgery.

Education & Awards

Dr. Lennihan graduated from Cornell University, New York.


Dr. Lennihan has 5 hospital affiliations:

  • St Francis Hospital 
  • Christiana Care Health Services 

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Additional Information
Dr. Richard Lennihan MD is a male Surgeon and practices in Surgery.
Where does Dr. Richard Lennihan practice?
Dr. Richard Lennihan has 2 office locations.
Dr. Richard Lennihan practices Surgery near Newark, DE.
Additional practice locations include: Wilmington, DE.
See Newark Surgeons.