Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joan M. Alexander, R.N.

Adult Psychiatric/Mental Health Registered Nurse in Jacksonville, IL · enumerated 2006 · practices at Mental Health Centers of Central Illinois.

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

National Provider Identifier

1740259951

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Registry record

Entity type Individual (Type 1)

Name Joan M. Alexander

Credential R.N.

Sex Female

Practice address 340 W State St, Jacksonville, IL, 62650

Phone (217) 245-6126

Fax (217) 245-4296

Enumeration date Mar 17, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

163WP0809X Adult Psychiatric/Mental Health Registered Nurse Nursing Service Providers Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

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 does Joan Alexander practice?

The practice location on file with NPPES is in Jacksonville, IL. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Joan Alexander?

The National Provider Identifier (NPI) for Joan Alexander is 1740259951, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.