# Crystal Marie Hayes

Source: https://ourhealthnetwork.com/doctor/crystal-hayes-1609402601
NPI: 1609402601
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Crystal Marie Hayes is a registered dietitian or nutrition professional based in San Mateo, CA practicing at County Of San Mateo with NPI 1609402601.

## Profile

- Primary specialty: Registered Dietitian Or Nutrition Professional
- Gender: Female
- Medical school: OREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
- Graduation year: 2019
- NPI: 1609402601 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1609402601))

## Practice and contact

- Practice name: County Of San Mateo
- Address: 22 W 39th Ave, San Mateo, CA, 944034364
- Group practice size: 312 members

## Insurance accepted (6 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
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 12 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 4 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 2 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Crystal Marie Hayes, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1609402601).

## Related on OurHealthNetwork

- [More Registered Dietitian Or Nutrition Professional doctors in SAN MATEO, CA](https://ourhealthnetwork.com/registered-dietitian-or-nutrition-professional/ca/san-mateo)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1609402601)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)