# Barbara B O'Callaghan

Source: https://ourhealthnetwork.com/doctor/barbara-ocallaghan-1003041104
NPI: 1003041104
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Barbara B O'Callaghan is a nurse practitioner based in Dacula, GA practicing at North Atlanta Oncology Services Llc with NPI 1003041104.

## Profile

- Primary specialty: Nurse Practitioner
- Gender: Female
- Graduation year: 2008
- NPI: 1003041104 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1003041104))

## Practice and contact

- Practice name: North Atlanta Oncology Services Llc
- Address: 2098 Teron Trce, Suite 400, Dacula, GA, 300191664
- Phone: (678) 722-3940
- Group practice size: 31 members

## Insurance accepted (1 networks)

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

- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Barbara B O'Callaghan, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1003041104).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 61 disclosed payments from medical industry sources totaling approximately $1,472.

Largest disclosed payer: Novartis Pharmaceuticals Corporation ($217 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 Nurse Practitioner doctors in DACULA, GA](https://ourhealthnetwork.com/nurse-practitioner/ga/dacula)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1003041104)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)