GIOCONDA C ARIAS FNP
NPI 1558806539
Nurse Practitioner - Family in Chicago, IL
About Gioconda C Arias Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GIOCONDA C ARIAS FNP (NPI 1558806539) is an individual family provider in Chicago, Illinois, licensed in Illinois (209.015328) and active in the NPI registry since December 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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
Gioconda C Arias 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.
Medicare Billing Reassignments
2Medicare enrollment records show Gioconda Arias reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60617
- Reassigned Medicare billing, Illinois enrollment
- 343 clinicians in this Medicare group
East Saint Louis, IL 62205
- Reassigned Medicare billing, Illinois enrollment
- 35 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60639 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Gioconda Arias's NPI number?
The NPI number for Gioconda Arias is 1558806539. It was assigned to this individual provider in the NPPES registry on December 29, 2016. The provider is also known as Gioconda C Arias Fnp.
Where is Gioconda Arias located?
Gioconda Arias practices at 4417 W Diversey Ave, Chicago, IL 60639. The listed phone number is (773) 377-7736.
What is Gioconda Arias's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Gioconda Arias enrolled in Medicare?
Yes. Gioconda Arias 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 Gioconda Arias's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gioconda Arias reassigns Medicare benefits to 2 organizations: Oak Street Health Physicians Group, PC (Chicago, IL) and Osh-Il Physicians Group LLC (East Saint Louis, 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 Gioconda Arias'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 Gioconda Arias was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.