Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

David I Rosen MD Ltd

Internal Medicine Physician in Northbrook, IL · enumerated 2012 · authorized official Margaret Crawford, Credentialing.

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

National Provider Identifier

1558629212

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)

Legal business name David I Rosen MD Ltd

Practice address 950 Skokie Blvd Ste 202, Northbrook, IL, 60062

Phone (847) 238-2091

Fax (224) 523-8081

Enumeration date May 1, 2012

Last updated in NPPES Jan 20, 2026

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036107376 (IL) Primary

Authorized official

Name Margaret Crawford

Title Credentialing

Phone (630) 924-0156

Other identifiers

Identifier	Type	State	Issuer
036107376	Medicaid	IL	-

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

Where is David I Rosen MD Ltd located?

The practice location on file with NPPES is in Northbrook, IL.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2026-01-20. Verify at npiregistry.cms.hhs.gov.

Providers at this address

Browse all →

David Rosen Phlebology Physician · Northbrook, IL NPI 1447272885

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-20.