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Mrs. Melanie Collins O'Leary, MS

Genetic Counselor (M.S.) in Westborough, MA · enumerated 2006.

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

National Provider Identifier

1508881798

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Registry record

Entity type Individual (Type 1)
Name Mrs. Melanie Collins O'Leary
Credential MS
Sex Female
Practice address 3400 Computer Dr, Westborough, MA, 01581
Phone (508) 389-8328
Enumeration date Jul 12, 2006
Last updated in NPPES Apr 1, 2012

Taxonomy & licenses

170300000X Genetic Counselor (M.S.) Other Service Providers · License GC088 (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.

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Frequently asked questions

What is the NPI number for Melanie O'Leary?
The National Provider Identifier (NPI) for Melanie O'Leary is 1508881798, a Type 1 (individual) record in the CMS NPPES registry.
Where does Melanie O'Leary practice?
The practice location on file with NPPES is in Westborough, MA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-04-01.