NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Melissa Nicoletta Toulios, APN

Family Nurse Practitioner in Naperville, IL · enumerated 2010.

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

National Provider Identifier

1912207036

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mrs. Melissa Nicoletta Toulios
Credential APN
Sex Female
Practice address Naperville, IL, 60563
Phone (708) 334-3471
Enumeration date Oct 22, 2010
Last updated in NPPES Oct 22, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209008429 (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 Melissa Toulios?
The National Provider Identifier (NPI) for Melissa Toulios is 1912207036, a Type 1 (individual) record in the CMS NPPES registry.
Where does Melissa Toulios practice?
The practice location on file with NPPES is in Naperville, 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 2010-10-22.