Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Deborah S Sullivan, FNP-C

Nurse Practitioner in Eldorado, IL · enumerated 2010.

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

National Provider Identifier

1740510858

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Registry record

Entity type Individual (Type 1)

Name Mrs. Deborah S Sullivan

Credential FNP-C

Sex Female

Practice address 1306 Maple St, Eldorado, IL, 62930

Phone (618) 273-3361

Enumeration date Jan 12, 2010

Last updated in NPPES Feb 12, 2024

Taxonomy & licenses

363LX0106X Occupational Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209.007892 (IL) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209007892 (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 Deborah Sullivan?

The National Provider Identifier (NPI) for Deborah Sullivan is 1740510858, a Type 1 (individual) record in the CMS NPPES registry.

Where does Deborah Sullivan practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-12.