Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jeffrey L. Kellogg, DO

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

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

National Provider Identifier

1083657084

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Jeffrey L. Kellogg

Credential DO

Sex Male

Practice address 4545 Sergeant Rd, Sioux City, IA, 51106

Phone (712) 274-2400

Fax (712) 274-1484

Enumeration date Jun 14, 2006

Last updated in NPPES Jan 31, 2011

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 02201 (IA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
1098830	Medicaid	IA	-
7764992	Medicaid	SD	-
70220	Other	IA	WELLMARK OF IA

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 Kellogg?

The National Provider Identifier (NPI) for Jeffrey Kellogg is 1083657084, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jeffrey Kellogg 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

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-01-31.