NPI Portal NPI Lookup & Verification

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

John Lyle Darnell, CRNA

Certified Registered Nurse Anesthetist in Marietta, OH · enumerated 2012.

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

National Provider Identifier

1144577172

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Registry record

Entity type Individual (Type 1)
Name John Lyle Darnell
Credential CRNA
Sex Male
Practice address Marietta, OH, 45750
Fax (740) 376-1940
Enumeration date Aug 9, 2012
Last updated in NPPES Feb 21, 2022

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

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 3007596 (KY) Secondary
367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License APRN.CRNA.17162 (OH) 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

How do I verify John Darnell's NPI record?
Cross-check NPI 1144577172 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1144577172 active?
Yes, as of the latest NPPES snapshot, NPI 1144577172 is active (record last updated 2022-02-21).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-21.