# Mary M Horowitz, MD

Source: https://ourhealthnetwork.com/doctor/mary-horowitz-md-1356392195
NPI: 1356392195
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

Mary M Horowitz, MD is a hematology/oncology based in Milwaukee, WI with NPI 1356392195.

## Profile

- Primary specialty: Hematology/Oncology
- Credential: MD
- Gender: Female
- NPI: 1356392195 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1356392195))

## Practice and contact

- Address: 9200 W Wisconsin Ave, Neoplastic Diseases/bone Marrow Transplant, Milwaukee, WI, 532263522
- Phone: (414) 805-0700

## 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
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 1 plan

To verify a specific plan covers Mary M Horowitz, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1356392195).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 7 disclosed payments from medical industry sources totaling approximately $2,961.

Largest disclosed payer: National Marrow Donor Program ($2,961 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 Hematology/Oncology doctors in MILWAUKEE, WI](https://ourhealthnetwork.com/hematology-oncology/wi/milwaukee)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1356392195)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)