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Infectious Disease Specialist (virus, bacteria, parasites)
41 years of experience
Accepting new patients
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. David Drennan:

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Specialties & Research

Dr. David Drennan, MD is board certified in Infectious Disease.

Education & Awards

Dr. Drennan graduated from The University of Texas Southwestern, Dallas.


Dr. Drennan has 4 hospital affiliations:

  • John Muir Medical Center, Walnut Creek Campus 
  • California Pacific Medical Center - Davies Campus 


  • English

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Additional Information
Dr. David P Drennan MD is a male Infectious Disease Specialist, has 41 years of experience and practices in Infectious Disease.
Where does Dr. David P. Drennan practice?
Dr. David Drennan has 1 office location.
Dr. David Drennan practices Infectious Disease near San Francisco, CA.
See San Francisco Infectious Disease Doctors.