Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Brent A Hadder, M.D.

Anesthesiology Physician in Iowa City, IA · enumerated 2007.

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

National Provider Identifier

1245449016

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Registry record

Entity type Individual (Type 1)

Name Brent A Hadder

Credential M.D.

Sex Male

Practice address 200 Hawkins Dr, Iowa City, IA, 52242

Phone (319) 356-2320

Fax (319) 384-6265

Enumeration date May 21, 2007

Last updated in NPPES Mar 25, 2025

Taxonomy & licenses

207LC0200X Critical Care Medicine (Anesthesiology) Physician Allopathic & Osteopathic Physicians · License MD-37794 (IA) Secondary

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License MD-37794 (IA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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

How do I verify Brent Hadder's NPI record?

Cross-check NPI 1245449016 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1245449016 active?

Yes, as of the latest NPPES snapshot, NPI 1245449016 is active (record last updated 2025-03-25).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-25.