Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William E Barager Jr., DO

Nephrology Physician in Provo, UT · enumerated 2006.

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

National Provider Identifier

1962444638

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Registry record

Entity type Individual (Type 1)

Name William E Barager Jr.

Credential DO

Sex Male

Practice address 1055 N 500 W, Ste 222, Provo, UT, 84604

Phone (801) 377-4623

Fax (801) 377-6832

Enumeration date Jun 10, 2006

Last updated in NPPES Nov 27, 2023

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License 11089 (MT) Secondary

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License 8397795-1204 (UT) 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

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 specialty is William Barager?

William Barager is registered in NPPES with the primary taxonomy of Nephrology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-27.