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

Dr. John Paul Anthony O'Connor, MD, MRCPI

Individual provider Gastroenterology Physician · NPI 1881025427

Dr. John Paul Anthony O'Connor, MD, MRCPI is a Gastroenterology Physician in Boston, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2013
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

330 Brookline Ave BIDMC
Boston, MA 02215-5400
Phone: (617) 667-2136
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 257804 (MA)

Record details

NPI number1881025427
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MRCPI
Sole proprietorYes
NPI enumeratedDecember 9, 2013
Last updated in NPPESDecember 9, 2013

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