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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. Lawrence Marr:

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Education & Awards

Dr. Marr graduated from Dalhousie University Faculty Of Medicine, Halifax.


Dr. Marr has 3 hospital affiliations:

  • UPMC Presbyterian/Shadyside 
  • Children's Hospital of Pittsburgh 
  • UPMC Shadyside Hospital 

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Additional Information
Dr. Lawrence Bruce Marr MD is a male Anesthesiologist, has 37 years of experience and practices in Anesthesiology.
Where does Dr. Lawrence B. Marr practice?
Dr. Lawrence Marr has 2 office locations.
Dr. Lawrence Marr practices Anesthesiology near Pittsburgh, PA.
Additional practice locations include: Bluefield, WV.
See Pittsburgh Anesthesiologists.