# Mark Walter Frohlich

Source: https://ourhealthnetwork.com/doctor/mark-frohlich-1366528168
NPI: 1366528168
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

Mark Walter Frohlich is a medical oncology based in Seattle, WA with NPI 1366528168.

## Profile

- Primary specialty: Medical Oncology
- Gender: Male
- NPI: 1366528168 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1366528168))

## Practice and contact

- Address: Harborview Medical Center, 325 9th Ave, Seattle, WA, 98104
- Phone: (206) 744-3241

## Insurance accepted (1 networks)

This provider is listed in the following insurance carriers’ published networks and plan directories:

- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 14 plans

To verify a specific plan covers Mark Walter Frohlich, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1366528168).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 1 disclosed payment from medical industry sources totaling approximately $21.

Largest disclosed payer: Siemens Medical Solutions USA, Inc. ($21 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 Medical Oncology doctors in SEATTLE, WA](https://ourhealthnetwork.com/medical-oncology/wa/seattle)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1366528168)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)