Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ethan A O'Connor, BA

Other Specialist/Technologist in Denver, CO · enumerated 2024.

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

National Provider Identifier

1871358960

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Registry record

Entity type Individual (Type 1)

Name Ethan A O'Connor

Credential BA

Sex Male

Practice address 3463 Walnut St, Denver, CO, 80205

Phone (978) 760-4759

Enumeration date Feb 16, 2024

Last updated in NPPES Mar 4, 2024

Taxonomy & licenses

246Z00000X Other Specialist/Technologist Technologists, Technicians & Other Technical 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Ethan O'Connor?

The National Provider Identifier (NPI) for Ethan O'Connor is 1871358960, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ethan O'Connor practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-04.