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

Heather Ryder, LCMHC, MLADC

Mental Health Counselor in Nashua, NH · enumerated 2018.

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

National Provider Identifier

1689154411

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Registry record

Entity type Individual (Type 1)

Name Heather Ryder

Credential LCMHC, MLADC

Sex Female

Practice address Nashua, NH, 03060

Phone (978) 203-3590

Enumeration date Aug 21, 2018

Last updated in NPPES Apr 1, 2026

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

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 2146 (NH) Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 5713 (NH) 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

Where does Heather Ryder practice?

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

What is the NPI number for Heather Ryder?

The National Provider Identifier (NPI) for Heather Ryder is 1689154411, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-01.