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Family Doctors of Northbrook

Q: What type of organization is Family Doctors of Northbrook?

Family Doctors of Northbrook is registered in NPPES as a Family Medicine Physician (its primary provider taxonomy).

Family Medicine Physician in Northbrook, IL · enumerated 2005 · authorized official Steven Eisenstein, Vice President.

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

National Provider Identifier

1437158193

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Registry record

Entity type Organization (Type 2)

Legal business name Family Doctors of Northbrook

Practice address 1885 Shermer Rd, Northbrook, IL, 60062

Phone (847) 272-4600

Enumeration date Jul 15, 2005

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Steven Eisenstein

Title Vice President

Phone (847) 272-4600

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 Family Doctors of Northbrook?

Family Doctors of Northbrook is registered in NPPES as a Family Medicine 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.