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

Mr. Harry Lewis Mcclain IV

Vascular Sonography Radiologic Technologist in Chicago, IL · enumerated 2021.

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

National Provider Identifier

1881354678

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Mr. Harry Lewis Mcclain IV

Sex Male

Practice address Chicago, IL, 60608

Phone (312) 678-0677

Enumeration date Dec 21, 2021

Last updated in NPPES Dec 21, 2021

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

Taxonomy & licenses

2471V0105X Vascular Sonography Radiologic Technologist Technologists, Technicians & Other Technical Service Providers Primary

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 Harry Mcclain?

The National Provider Identifier (NPI) for Harry Mcclain is 1881354678, a Type 1 (individual) record in the CMS NPPES registry.

Where does Harry Mcclain practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-21.