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

Mr. John Francis O Brien, MD

Individual provider Internal Medicine Physician · NPI 1588678965

Mr. John Francis O Brien, MD is an Internal Medicine Physician in Newton Lower Falls, 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

2000 Washington St Ste 565
Newton Lower Falls, MA 02462
Phone: (617) 964-9050
Fax: (617) 928-0913
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 37318 (MA)

Record details

NPI number1588678965
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 28, 2006
Last updated in NPPESOctober 15, 2020
Certification dateOctober 15, 2020

Other providers in Newton Lower Falls