Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jeffrey D O'Tool, M.D.

Emergency Medicine Physician in Sioux City, IA · enumerated 2006.

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

National Provider Identifier

1295796654

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Registry record

Entity type Individual (Type 1)

Name Jeffrey D O'Tool

Credential M.D.

Sex Male

Practice address 2720 Stone Park Blvd, Sioux City, IA, 51104

Phone (712) 279-3789

Fax (712) 279-3613

Enumeration date Mar 28, 2006

Last updated in NPPES Aug 21, 2012

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 35216 (IA) Primary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 35216 (IA) Secondary

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

What is the NPI number for Jeffrey O'Tool?

The National Provider Identifier (NPI) for Jeffrey O'Tool is 1295796654, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jeffrey O'Tool practice?

The practice location on file with NPPES is in Sioux City, IA. 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 2012-08-21.