Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Hillary Rioux

Mental Health Counselor in Medway, MA · enumerated 2009.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1720211246

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Hillary Rioux

Sex Female

Practice address Medway, MA, 02053

Phone (508) 603-6374

Enumeration date Sep 1, 2009

Last updated in NPPES Aug 26, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 9042 (MA) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Hillary Rioux?

The National Provider Identifier (NPI) for Hillary Rioux is 1720211246, a Type 1 (individual) record in the CMS NPPES registry.

Where does Hillary Rioux practice?

The practice location on file with NPPES is in Medway, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Lynette Dunn-Nastasi Clinical Social Worker · Medway, MA NPI 1194881086

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-26.