# Guilherme Nader Marta, MD

Source: https://ourhealthnetwork.com/doctor/guilherme-nader-marta-md-1255105276
NPI: 1255105276
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

Guilherme Nader Marta, MD is a medical oncology based in Boston, MA with NPI 1255105276.

## Profile

- Primary specialty: Medical Oncology
- Credential: MD
- Gender: Male
- NPI: 1255105276 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1255105276))

## Practice and contact

- Address: 450 Brookline Ave, Boston, MA, 022155450
- Phone: (617) 606-0601

## 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 $187.

Largest disclosed payer: Gilead Sciences, Inc. ($157 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.

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- [About our data and methodology](https://ourhealthnetwork.com/methodology)