Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Melissa Diane Kalensky, FNP

Psychiatric/Mental Health Nurse Practitioner in Chicago, IL · enumerated 2012.

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

National Provider Identifier

1154681591

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Registry record

Entity type Individual (Type 1)

Name Melissa Diane Kalensky

Credential FNP

Sex Female

Practice address 1431 N Claremont Ave Fl 2, Chicago, IL, 60622

Phone (312) 491-5498

Enumeration date May 19, 2012

Last updated in NPPES Mar 24, 2022

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209.009269 (IL) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209009269 (IL) Primary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP 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 Melissa Kalensky practice?

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

What is the NPI number for Melissa Kalensky?

The National Provider Identifier (NPI) for Melissa Kalensky is 1154681591, 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 2022-03-24.