Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nathaniel Todd Connell, MD

Otolaryngology Physician in Eau Claire, WI · enumerated 2017.

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

National Provider Identifier

1558899013

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Registry record

Entity type Individual (Type 1)

Name Nathaniel Todd Connell

Credential MD

Sex Male

Practice address 1400 Bellinger St, Eau Claire, WI, 54703

Phone (715) 838-5222

Enumeration date May 30, 2017

Last updated in NPPES Aug 15, 2022

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 77285 (WI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

Is NPI 1558899013 active?

Yes, as of the latest NPPES snapshot, NPI 1558899013 is active (record last updated 2022-08-15).

How do I verify Nathaniel Connell's NPI record?

Cross-check NPI 1558899013 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-15.