NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cynthia Lynne Johnson, APN

Adult Health Nurse Practitioner in Chicago, IL · enumerated 2010.

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

National Provider Identifier

1265749972

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Cynthia Lynne Johnson
Credential APN
Sex Female
Practice address 111 W Jackson Blvd Ste 1700, Chicago, IL, 60604
Enumeration date Sep 2, 2010
Last updated in NPPES Oct 29, 2025

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License H-085217 (IA) Secondary
363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 277.000378 (IL) Primary

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 the NPI number for Cynthia Johnson?
The National Provider Identifier (NPI) for Cynthia Johnson is 1265749972, a Type 1 (individual) record in the CMS NPPES registry.
Where does Cynthia Johnson practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-29.