# Dennis S O'Brien, MD

Source: https://ourhealthnetwork.com/doctor/dennis-obrien-md-1952449829
NPI: 1952449829
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

Dennis S O'Brien, MD is a internal medicine based in Ticonderoga, NY with NPI 1952449829.

## Profile

- Primary specialty: Internal Medicine
- Credential: MD
- Gender: Male
- NPI: 1952449829 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1952449829))

## Practice and contact

- Address: 102 Race Track Rd Ste 1, Ticonderoga, NY, 128834004
- Phone: (518) 585-6708

## Insurance accepted (2 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) — 3 plans

To verify a specific plan covers Dennis S O'Brien, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1952449829).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 4 disclosed payments from medical industry sources totaling approximately $72.

Largest disclosed payer: Lilly USA, LLC ($23 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 Internal Medicine doctors in TICONDEROGA, NY](https://ourhealthnetwork.com/internal-medicine/ny/ticonderoga)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1952449829)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)