Michael O'Connor, MD
NPI 1851812218 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Brighton, MA
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael O'Connor, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Brighton, MA (NPI 1851812218).
Provider details
- NPI number
- 1851812218
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036.160359 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
5 documented practice locations
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
Additional practice locations (4)
- 736 Cambridge StBoston, MA 02135-2907Phone: (617) 789-3000
- 830 Harrison AveFl 3Boston, MA 02118Phone: (617) 638-5600Fax: (617) 638-7228
- 1 Pearl StSuite 2000Brockton, MA 02301Phone: (617) 789-2375Fax: (617) 789-5177
- 1 Pearl StSuite 2000Brockton, MA 02301Phone: (508) 584-4104Fax: (508) 584-4105
Registry dates
- Enumerated
- 2017-07-06
- Last updated
- 2025-03-13
- Certified
- 2025-03-13
Frequently asked questions
- What is Michael O'Connor's NPI number?
- Michael O'Connor's National Provider Identifier (NPI) is 1851812218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael O'Connor's specialty?
- Michael O'Connor is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Michael O'Connor located?
- Michael O'Connor's practice location on file with NPPES is 11 Nevins St, Brighton, MA 02135.
- What is Michael O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Michael O'Connor is (617) 779-6382.
- Does Michael O'Connor accept Medicare?
- Michael O'Connor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael O'Connor's NPI active?
- Yes — Michael O'Connor's NPI (1851812218) is active in the NPPES registry as of the last update on 2025-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.