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

Mr. Gregory George Kronenberg, CRNA

Certified Registered Nurse Anesthetist in Oskaloosa, IA · enumerated 2006.

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

National Provider Identifier

1609885961

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Registry record

Entity type Individual (Type 1)

Name Mr. Gregory George Kronenberg

Credential CRNA

Sex Male

Practice address Oskaloosa, IA, 52577

Phone (641) 672-3388

Enumeration date Aug 5, 2006

Last updated in NPPES Jul 1, 2019

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

Taxonomy & licenses

163WP0000X Pain Management Registered Nurse Nursing Service Providers · License D145432 (IA) Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License D145432 (IA) Primary

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.

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Frequently asked questions

Is NPI 1609885961 active?

Yes, as of the latest NPPES snapshot, NPI 1609885961 is active (record last updated 2019-07-01).

How do I verify Gregory Kronenberg's NPI record?

Cross-check NPI 1609885961 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 2019-07-01.