Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Caitlin O'Brien, MD

Individual provider Critical Care Medicine (Anesthesiology) Physician · NPI 1023332087

Caitlin O'Brien, MD is a Critical Care Medicine (Anesthesiology) Physician in Baltimore, Maryland. Works from 2 locations. Licensed in Maryland.

Licensed in
MD
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1800 Orleans St
Baltimore, MD 21287-0010
Phone: (410) 955-6412
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1121 Arlington Blvd Apt 343, Arlington, VA 22209-3225 — (720) 635-1730

Specialties & licences

Critical Care Medicine (Anesthesiology) Physician (primary) Taxonomy 207LC0200X · Licence D79942 (MD)

Record details

NPI number1023332087
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 19, 2010
Last updated in NPPESMarch 17, 2018

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