SYDNEY J SULLIVAN DNP,FNP-BC
NPI 1710527908
Nurse Practitioner - Family in Springfield, IL
About Sydney J Sullivan Dnp,fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYDNEY J SULLIVAN DNP,FNP-BC (NPI 1710527908) is an individual family provider in Springfield, Illinois, licensed in Illinois (209-020027) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sydney J Sullivan Dnp,fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Sydney Sullivan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, IL 62702
- Reassigned Medicare billing, Illinois enrollment
- 645 clinicians in this Medicare group
Springfield, IL 62781
- Reassigned Medicare billing, Illinois enrollment
- 150 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62702 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRINGFIELD, IL 62702
SPRINGFIELD, IL 62702
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sydney Sullivan's NPI number?
The NPI number for Sydney Sullivan is 1710527908. It was assigned to this individual provider in the NPPES registry on January 15, 2020.
Where is Sydney Sullivan located?
Sydney Sullivan practices at 400 N 9th St, Springfield, IL 62702. The listed phone number is (217) 545-8000.
What is Sydney Sullivan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Sydney Sullivan enrolled in Medicare?
Yes. Sydney Sullivan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sydney Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sydney Sullivan reassigns Medicare benefits to 2 organizations: Siu Physicians & Surgeons, Inc (Springfield, IL) and Memorial Physician Services (Springfield, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sydney Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sydney Sullivan was last updated on January 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.