Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

William K Barnhill, CRNA

Nurse Practitioner in Cedar Rapids, IA · enumerated 2005.

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

National Provider Identifier

1710962519

Verified

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Registry record

Entity type Individual (Type 1)

Name William K Barnhill

Credential CRNA

Sex Male

Practice address Cedar Rapids, IA, 52402

Phone (319) 540-1460

Enumeration date Dec 14, 2005

Last updated in NPPES Sep 25, 2015

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 119257 (IA) Primary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License D119257 (IA) Secondary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA 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

Where does William Barnhill practice?

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

What is the NPI number for William Barnhill?

The National Provider Identifier (NPI) for William Barnhill is 1710962519, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-09-25.