Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Jack W. Lenox

Q: What type of organization is Jack W. Lenox?

Jack W. Lenox is registered in NPPES as a Obstetrics & Gynecology Physician (its primary provider taxonomy).

Obstetrics & Gynecology Physician in Rockford, IL · enumerated 2021 · authorized official Jack Lenox, Medical Director.

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

National Provider Identifier

1841888799

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Registry record

Entity type Organization (Type 2)

Legal business name Jack W. Lenox

Practice address 1235 N Mulford Rd Ste 200, Rockford, IL, 61107

Phone (815) 965-6644

Enumeration date Jan 6, 2021

Last updated in NPPES Jan 6, 2021

Taxonomy & classification

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Jack Lenox

Title Medical Director

Phone (815) 965-6644

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 type of organization is Jack W. Lenox?

Jack W. Lenox is registered in NPPES as a Obstetrics & Gynecology Physician (its primary provider taxonomy).

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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-01-06.