Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Constance F O'Connor, ANP

Adult Health Nurse Practitioner in Needham, MA · enumerated 2007.

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

National Provider Identifier

1265650162

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Registry record

Entity type Individual (Type 1)

Name Mrs. Constance F O'Connor

Credential ANP

Sex Female

Practice address 264 Hillside Ave Ste 304, Needham, MA, 02494

Phone (781) 474-3255

Fax (617) 447-1346

Enumeration date Apr 23, 2007

Last updated in NPPES Oct 24, 2022

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 122889 (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 Constance O'Connor?

The National Provider Identifier (NPI) for Constance O'Connor is 1265650162, a Type 1 (individual) record in the CMS NPPES registry.

Where does Constance O'Connor practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-10-24.