NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Open Door Clinic

Infectious Disease Physician in Aurora, IL · enumerated 2011 · authorized official Carol Winter, Manager.

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

National Provider Identifier

1245516939

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Open Door Clinic
Practice address 157 S Lincoln Ave, Ste. #K, Aurora, IL, 60505
Phone (630) 264-1819
Fax (630) 264-2054
Enumeration date Oct 26, 2011
Last updated in NPPES Oct 26, 2011

Taxonomy & classification

207RI0200X Infectious Disease Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Carol Winter
Title Manager
Phone (630) 264-1819

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

Who is the authorized official for Open Door Clinic?
NPPES lists Carol Winter (Manager) as the authorized official for this organization.
What is the NPI number for Open Door Clinic?
The NPI for Open Door Clinic is 1245516939, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-26.