Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Susan Elizabeth O'Brien, MA COUNS & PSYCH

Mental Health Counselor in Easthampton, MA · enumerated 2007.

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

National Provider Identifier

1528113438

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Registry record

Entity type Individual (Type 1)

Name Susan Elizabeth O'Brien

Credential MA COUNS & PSYCH

Sex Female

Practice address 203 East St, Easthampton, MA, 01027

Phone (413) 529-7777

Fax (413) 529-7767

Enumeration date Jan 24, 2007

Last updated in NPPES Nov 23, 2010

Taxonomy & licenses

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

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Frequently asked questions

What is the NPI number for Susan O'Brien?

The National Provider Identifier (NPI) for Susan O'Brien is 1528113438, a Type 1 (individual) record in the CMS NPPES registry.

Where does Susan O'Brien practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-11-23.