# Maria D Diaz, MD

Source: https://ourhealthnetwork.com/doctor/maria-diaz-md-1316991417
NPI: 1316991417
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Maria D Diaz, MD is a internal medicine based in New York, NY practicing at Griffin Myers Medical Pc with NPI 1316991417.

## Profile

- Primary specialty: Internal Medicine
- Credential: MD
- Gender: Female
- Graduation year: 1978
- NPI: 1316991417 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1316991417))

## Practice and contact

- Practice name: Griffin Myers Medical Pc
- Address: 4405 Broadway, New York, NY, 100404014
- Phone: (212) 740-2020
- Group practice size: 79 members

## Insurance accepted (7 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) — 14 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 12 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 7 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 5 plans
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 4 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Maria D Diaz, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1316991417).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 19 disclosed payments from medical industry sources totaling approximately $1,195.

Largest disclosed payer: Amgen Inc. ($406 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 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=1316991417)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)