Patrick O'Brien, MD
NPI 1336140136 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Stoughton, MA
Patrick O'Brien, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Stoughton, MA (NPI 1336140136).
Provider details
- NPI number
- 1336140136
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 156605 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-03
- Last updated
- 2008-03-24
Frequently asked questions
- What is Patrick O'Brien's NPI number?
- Patrick O'Brien's National Provider Identifier (NPI) is 1336140136, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick O'Brien's specialty?
- Patrick O'Brien is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick O'Brien located?
- Patrick O'Brien's practice location on file with NPPES is 966b Park St # B, Stoughton, MA 02072-3650.
- What is Patrick O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Patrick O'Brien is (781) 344-4400.
- Is Patrick O'Brien's NPI active?
- Yes — Patrick O'Brien's NPI (1336140136) is active in the NPPES registry as of the last update on 2008-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.