Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CYDNEY LONGLEY FNP
NPI 1700562816
Nurse Practitioner - Family in Springfield, IL

Active since June 23, 2023PECOS Enrolled
520 N 4TH ST, SPRINGFIELD, IL 62702(217) 545-8000 Get Directions Write a Review

NPPES record last updated: October 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 16, 2026, Aug 14, 2023, Jun 23, 2023 (3 updates tracked since 2023).

About Cydney Longley Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CYDNEY LONGLEY FNP (NPI 1700562816) is an individual family provider in Springfield, Illinois, licensed in Illinois (209028040) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS, is affiliated with Carle Foundation Hospital, and maintains a secondary practice location in Monticello.

NPPES Registry Identity

NPI1700562816
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCYDNEY LONGLEYCredential: FNP
Location Address520 N 4TH STSpringfield, IL 62702-5208
Mailing AddressPo Box 19639Springfield, IL 62794-9639 · (217) 545-8000
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateJune 23, 2023
Last NPPES UpdateOctober 23, 20263 updates tracked since enumeration
NPPES CertifiedOctober 23, 2026
✔ NPI 1700562816 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IL · 209028040
Also ListedRegistered NurseTaxonomy 163W00000X · License 041490427 (IL)
520 N 4TH ST, Springfield, IL 62702

Other Names 1

Former Name (1)Cydney Musch

Secondary Practice Location 1

Location 11000 Medical Center DrMonticello, IL 61856-2116 · Phone (217) 762-6241 · Fax (217) 762-1702

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

Cydney Longley Fnp 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.

PECOS PAC ID9436503158
PECOS Enrollment IDI20230929000718
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Cydney Longley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
1000 MEDICAL CENTER DR
Monticello, IL 61856
  • Reassigned Medicare billing, Illinois enrollment
  • 171 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.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Carle Foundation Hospital

Acute Care Hospitals · Urbana, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140091
Location611 West Park StreetUrbana, IL 61801 · Champaign County
Emergency services Birthing friendly

Decatur Memorial Hospital

Acute Care Hospitals · Decatur, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140135
Location2300 North Edward StreetDecatur, IL 62526 · Macon County
Emergency services Birthing friendly

Kirby Medical Center

Critical Access Hospitals · Monticello, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141301
Location1000 Medical Center DriveMonticello, IL 61856 · Piatt County
Emergency services

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.

New Patient
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Social Worker (Clinical)
520 N 4TH ST
SPRINGFIELD, IL 62702
Psychiatry & Neurology (Psychiatry)
520 N 4TH ST
SPRINGFIELD, IL 62702
Family Medicine
520 N 4TH ST
SPRINGFIELD, IL 62702
Family Medicine
520 N 4TH ST
SPRINGFIELD, IL 62702
Advanced Practice Midwife
520 N 4TH ST
SPRINGFIELD, IL 62702
Family Medicine
520 N 4TH ST
SPRINGFIELD, IL 62702
Community Health Worker
520 N 4TH ST
SPRINGFIELD, IL 62702
Advanced Practice Midwife
520 N 4TH ST
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 Cydney Longley's NPI number?

The NPI number for Cydney Longley is 1700562816. It was assigned to this individual provider in the NPPES registry on June 23, 2023. The provider is also known as Cydney Musch.

Where is Cydney Longley located?

Cydney Longley practices at 520 N 4th St, Springfield, IL 62702. The listed phone number is (217) 545-8000.

What is Cydney Longley's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Cydney Longley enrolled in Medicare?

Yes. Cydney Longley 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 organization bills Medicare for Cydney Longley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cydney Longley reassigns Medicare benefits to Kirby Medical Center (Monticello, IL). The 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 Cydney Longley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Cydney Longley affiliated with any hospitals?

According to CMS data, Cydney Longley is affiliated with Carle Foundation Hospital, Decatur Memorial Hospital and Kirby Medical Center.

When was this NPI record last updated?

The NPPES record for Cydney Longley was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.