Cornelius O'Connor, MD
NPI 1295831766 · Anesthesiology Physician · Burlington, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cornelius O'Connor, MD is a Anesthesiology Physician provider in Burlington, MA (NPI 1295831766).
Provider details
- NPI number
- 1295831766
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 55429 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
342 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 193 | $69 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 35 | $80 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 23 | $89 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 22 | $45 |
| Ultrasonic Guidance for Needle Placement76942 | 18 | $30 |
| Anesthesia for Other Procedure on Eye00140 | 13 | $78 |
| Anesthesia for Exam of Colon Using an Endoscope |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-15
- Last updated
- 2011-04-07
Frequently asked questions
- What is Cornelius O'Connor's NPI number?
- Cornelius O'Connor's National Provider Identifier (NPI) is 1295831766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cornelius O'Connor's specialty?
- Cornelius O'Connor is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Cornelius O'Connor located?
- Cornelius O'Connor's practice location on file with NPPES is 41 Mall Rd, Burlington, MA 01805-0001.
- What is Cornelius O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Cornelius O'Connor is (781) 744-8132.
- Does Cornelius O'Connor accept Medicare?
- Cornelius 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 Cornelius O'Connor's NPI active?
- Yes — Cornelius O'Connor's NPI (1295831766) is active in the NPPES registry as of the last update on 2011-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.