# Mark J. O'Connor, MD

Source: https://ourhealthnetwork.com/doctor/mark-oconnor-md-1215297270
NPI: 1215297270
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Mark J. O'Connor, MD is a cardiovascular disease (cardiology) based in Leominster, MA practicing at Umass Memorial Medical Group Inc with NPI 1215297270 and offers telehealth visits.

## Profile

- Primary specialty: Cardiovascular Disease (cardiology)
- Credential: MD
- Gender: Male
- Medical school: UNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
- Graduation year: 2012
- Telehealth: Yes
- NPI: 1215297270 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1215297270))

## Practice and contact

- Practice name: Umass Memorial Medical Group Inc
- Address: 100 Hospital Rd, Leominster, MA, 014532253
- Phone: (978) 466-4220
- Group practice size: 2474 members

## Insurance accepted (12 networks)

This provider is in network with the following insurance carriers, based on federal Transparency in Coverage filings and FHIR provider directories:

- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 13 plans
- [Highmark BCBS Delaware](https://ourhealthnetwork.com/insurance/highmark-bcbs-delaware) — 11 plans
- [Highmark BCBS WV](https://ourhealthnetwork.com/insurance/highmark-bcbs-wv) — 6 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 4 plans
- [BCBS Massachusetts](https://ourhealthnetwork.com/insurance/bcbs-massachusetts) — 4 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 3 plans
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 2 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 2 plans
- [BCBS Massachusetts HMO](https://ourhealthnetwork.com/insurance/bcbs-massachusetts-hmo) — 1 plan
- [Highmark BCBS Pennsylvania](https://ourhealthnetwork.com/insurance/highmark-bcbs-pennsylvania) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Mark J. O'Connor, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1215297270).

## Related on OurHealthNetwork

- [More Cardiovascular Disease (cardiology) doctors in LEOMINSTER, MA](https://ourhealthnetwork.com/cardiovascular-disease-cardiology/ma/leominster)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1215297270)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)