THOMAS PATRICK O'BRIEN PA-C
NPI 1225447626
Physician Assistant - Surgical in Plymouth, MA
About Thomas Patrick O'brien Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS PATRICK O'BRIEN PA-C (NPI 1225447626) is an individual surgical provider in Plymouth, Massachusetts, licensed in Massachusetts (PA7872) and active in the NPI registry since August 2014. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Thomas Patrick O'brien Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Thomas O'brien's NPI number?
The NPI number for Thomas O'brien is 1225447626. It was assigned to this individual provider in the NPPES registry on August 11, 2014.
Where is Thomas O'brien located?
Thomas O'brien practices at 23 White St, Plymouth, MA 02360. The listed phone number is (774) 991-1400.
What is Thomas O'brien's specialty?
The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.
Is Thomas O'brien enrolled in Medicare?
Yes. Thomas O'brien is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Thomas O'brien was last updated on November 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.