Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

American Diagnostic Laboratory Inc

Clinical Medical Laboratory in Skokie, IL · enumerated 2010 · authorized official Mahmood Rehman, President.

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

National Provider Identifier

1316240880

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Registry record

Entity type Organization (Type 2)

Legal business name American Diagnostic Laboratory Inc

Practice address 7841 Gross Point Rd Unit A-1, Skokie, IL, 60077

Phone (847) 674-8600

Fax (847) 674-8603

Enumeration date Dec 6, 2010

Last updated in NPPES Oct 10, 2024

Taxonomy & classification

291U00000X Clinical Medical Laboratory Laboratories · License 14D2015532 (IL) Primary

Authorized official

Name Mahmood Rehman

Title President

Phone (847) 674-8600

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is American Diagnostic Laboratory Inc?

American Diagnostic Laboratory Inc is registered in NPPES as a Clinical Medical Laboratory (its primary provider taxonomy).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-10.