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

Cathatl E O'Sullivan, MD

Individual provider Medical Microbiology Physician · NPI 1174632442

Cathatl E O'Sullivan, MD is a Medical Microbiology Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
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

750 Washington St Nemc Box 836
Boston, MA 02111-1526
Phone: (617) 636-5000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Microbiology Physician (primary) Taxonomy 207ZM0300X · Licence 222391 (MA)

Record details

NPI number1174632442
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Boston