Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allen Sounhein, R.PH.

Pharmacist in Mchenry, IL · enumerated 2005.

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

National Provider Identifier

1205823283

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Registry record

Entity type Individual (Type 1)

Name Allen Sounhein

Credential R.PH.

Sex Male

Practice address 4100 Veterans Pkwy, Mchenry, IL, 60050

Phone (815) 385-6400

Fax (815) 385-3910

Enumeration date Oct 4, 2005

Last updated in NPPES Jul 27, 2007

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers Primary

RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy. About the RPH 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

Is NPI 1205823283 active?

Yes, as of the latest NPPES snapshot, NPI 1205823283 is active (record last updated 2007-07-27).

How do I verify Allen Sounhein's NPI record?

Cross-check NPI 1205823283 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 2007-07-27.