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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. Michael Brennan:

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Specialties & Research

Dr. Michael Brennan, MD is board certified in Anesthesiology.

  • He has special expertise in 1 area:
  • Diabetes

Education & Awards

Dr. Brennan graduated from University of Michigan Medical School, Ann Arbor.


Dr. Brennan has 1 hospital affiliations:

  • Sibley Memorial Hospital 


  • Spanish

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Additional Information
Dr. Michael Joseph Brennan MD is a male Anesthesiologist, has 24 years of experience and practices in Anesthesiology.
Where does Dr. Michael J. Brennan practice?
Dr. Michael Brennan has 1 office location.
Dr. Michael Brennan practices Anesthesiology near Washington, DC.
See Washington Anesthesiologists.