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

John F. O'Brien, MD, PC

Organization Internal Medicine Physician · NPI 1548314644

John F. O'Brien, MD, PC is an Internal Medicine Physician in Newton Lower Falls, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2000 Washington St Ste 662
Newton Lower Falls, MA 02462-1650
Phone: (617) 964-9050
Fax: (617) 928-0913
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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 number1548314644
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Obrien — Owner · (617) 964-9050
NPI enumeratedJanuary 23, 2007
Last updated in NPPESOctober 15, 2020
Certification dateOctober 15, 2020
Mailing address2000 Washington St Ste 570, Newton, MA 02462-1626

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