# Mary Kathryn Giannico, PA

Source: https://ourhealthnetwork.com/doctor/mary-giannico-pa-1154908390
NPI: 1154908390
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Mary Kathryn Giannico, PA is a physician assistant based in Port Jefferson, NY practicing at John T Mather Memorial Hospital with NPI 1154908390.

## Profile

- Primary specialty: Physician Assistant
- Credential: PA
- Gender: Female
- Graduation year: 2021
- NPI: 1154908390 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1154908390))

## Practice and contact

- Practice name: John T Mather Memorial Hospital
- Address: 75 N Country Rd, Port Jefferson, NY, 117772119
- Group practice size: 176 members

## Insurance accepted (4 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
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 6 plans
- [EmblemHealth](https://ourhealthnetwork.com/insurance/emblemhealth) — 6 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Mary Kathryn Giannico, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1154908390).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 3 disclosed payments from medical industry sources totaling approximately $79.

Largest disclosed payer: Boston Scientific Corporation ($60 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 Physician Assistant doctors in PORT JEFFERSON, NY](https://ourhealthnetwork.com/physician-assistant/ny/port-jefferson)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1154908390)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)
