# Mary E O'Brien, MD

Source: https://ourhealthnetwork.com/doctor/mary-obrien-md-1114079118
NPI: 1114079118
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Mary E O'Brien, MD is a internal medicine based in New York, NY practicing at New York City Health And Hospitals Corporation with NPI 1114079118.

## Profile

- Primary specialty: Internal Medicine
- Credential: MD
- Gender: Female
- Medical school: HARVARD MEDICAL SCHOOL
- Graduation year: 1977
- NPI: 1114079118 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1114079118))

## Practice and contact

- Practice name: New York City Health And Hospitals Corporation
- Address: 264 W 118th St, New York, NY, 100261620
- Phone: (212) 932-6500
- Group practice size: 460 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
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 6 plans
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 5 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 3 plans
- [EmblemHealth](https://ourhealthnetwork.com/insurance/emblemhealth) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Mary E O'Brien, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1114079118).

## Related on OurHealthNetwork

- [More Internal Medicine doctors in NEW YORK, NY](https://ourhealthnetwork.com/internal-medicine/ny/new-york)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1114079118)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)