Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nathaniel Hagler III, MD

Body Imaging Physician in Neenah, WI · enumerated 2006.

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

National Provider Identifier

1548328594

Verified

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Registry record

Entity type Individual (Type 1)

Name Nathaniel Hagler III

Credential MD

Sex Male

Practice address 333 N Commercial St, Neenah, WI, 54956

Phone (920) 886-7525

Enumeration date Dec 4, 2006

Last updated in NPPES May 3, 2024

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 25MA11099500 (NJ) Secondary

2085B0100X Body Imaging Physician Allopathic & Osteopathic Physicians · License 38653-020 (WI) Primary

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

Other identifiers

Identifier	Type	State	Issuer
38653-020	Other	WI	WI LICENSE

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 is the NPI number for Nathaniel Hagler?

The National Provider Identifier (NPI) for Nathaniel Hagler is 1548328594, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nathaniel Hagler practice?

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

Other providers at this practice address

Browse all →

Joseph Introcaso Diagnostic Radiology Physician · Neenah, WI NPI 1295735348 Radiology Associates of the Fox Valley, Sc Diagnostic Radiology Physician · Neenah, WI NPI 1477539443 Hong Xie Diagnostic Radiology Physician · Neenah, WI NPI 1154307007 Alexander Zenzick Anesthesiology Physician · Neenah, WI NPI 1013984343 Daniel Macksood Diagnostic Radiology Physician · Neenah, WI NPI 1427010222 Daniel Guler Chiropractor · Neenah, WI NPI 1184727521 Guler Chiropractic Center, S.C. Chiropractor · Neenah, WI NPI 1457532210 Sherry Konen Family Nurse Practitioner · Neenah, WI NPI 1275849622

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-03.