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Pediatrician, Pediatric Specialist, Infectious Disease Specialist (virus, bacteria, parasites)
22 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. Katherine O'Brien:

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Specialties & Research

Dr. Katherine O'Brien, MD is board certified in Pediatrics.

  • She has special expertise in 3 areas:
  • HIV Infections
  • Pneumococcal Pneumonia
  • Strep Infection (Streptococcal Infections)

Education & Awards

Dr. O'Brien graduated from McGill University Faculty Of Medicine, Montreal. She has 1 awards.

Awards  
One of America's Leading Experts on:
Strep Infection (Streptococcal Infections)

Affiliations

Dr. O'Brien has 3 hospital affiliations:

  • The Johns Hopkins Hospital 
  • Howard County General Hospital 
  • Johns Hopkins Geriatrics Center 

Languages

  • French

> > > > Dr. Katherine O'Brien, MD

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Additional Information
Dr. Katherine Louise O'Brien MD is a female Pediatrician, has 22 years of experience and practices in Pediatrics and Pediatric Infectious Diseases.
Where does Dr. Katherine L. O'Brien practice?
Dr. Katherine O'Brien has 1 office location.
Dr. Katherine O'Brien practices Pediatrics and Pediatric Infectious Diseases near Baltimore, MD.
See Baltimore Pediatricians and Baltimore Pediatric Specialists.