# Mark I Jacobs, MD

Source: https://ourhealthnetwork.com/doctor/mark-jacobs-md-1487638409
NPI: 1487638409
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Mark I Jacobs, MD is a cardiovascular disease (cardiology) based in Willimantic, CT practicing at Hartford Healthcare Medical Group Specialists Pllc with NPI 1487638409.

## Profile

- Primary specialty: Cardiovascular Disease (cardiology)
- Credential: MD
- Gender: Male
- Medical school: UNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
- Graduation year: 1981
- NPI: 1487638409 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1487638409))

## Practice and contact

- Practice name: Hartford Healthcare Medical Group Specialists Pllc
- Address: 5 Founders St, Suite 102, Willimantic, CT, 062262050
- Phone: (860) 456-3078
- Group practice size: 1493 members

## Insurance accepted (6 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) — 12 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 7 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 5 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 3 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Mark I Jacobs, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1487638409).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 5 disclosed payments from medical industry sources totaling approximately $107.

Largest disclosed payer: Amgen Inc. ($78 cumulative).

Source: CMS Open Payments program (federal financial-transparency dataset). Industry payment disclosures do not imply any wrongdoing; many are legitimate consulting fees, research support, or speaker honoraria.

## Related on OurHealthNetwork

- [More Cardiovascular Disease (cardiology) doctors in WILLIMANTIC, CT](https://ourhealthnetwork.com/cardiovascular-disease-cardiology/ct/willimantic)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1487638409)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)