ATANAS IVANOV FNP
NPI 1689488678
Nurse Practitioner - Family in Chicago, IL
About Atanas Ivanov Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ATANAS IVANOV FNP (NPI 1689488678) is an individual family provider in Chicago, Illinois, licensed in Illinois (209031395) and active in the NPI registry since February 2025. He is enrolled in Medicare PECOS and is a graduate of Other (2024).
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
Atanas Ivanov 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 Atanas Ivanov reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 127 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Illinois enrollment
- 712 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 60612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CHICAGO, IL 60612
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 Atanas Ivanov's NPI number?
The NPI number for Atanas Ivanov is 1689488678. It was assigned to this individual provider in the NPPES registry on February 3, 2025.
Where is Atanas Ivanov located?
Atanas Ivanov practices at 2003 W Fulton St, Chicago, IL 60612. The listed phone number is (312) 243-2223.
What is Atanas Ivanov's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Atanas Ivanov enrolled in Medicare?
Yes. Atanas Ivanov 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 Atanas Ivanov's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Atanas Ivanov reassigns Medicare benefits to 2 organizations: MD @ Home Illinois, Sc (Chicago, IL) and Signify Health Medical Associates, PLLC (Dallas, TX). 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 Atanas Ivanov'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 Atanas Ivanov was last updated on July 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Atanas Ivanov, FNP · NPI 1689488678
Family physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since February 3, 2025.
## Identity
- **NPI:** 1689488678 (Entity type: Individual)
- **Enumerated:** February 3, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209031395 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2003 W FULTON ST, Chicago, IL 60612-2345
- **Phone:** (312) 243-2223
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): MD @ Home Illinois, Sc (NPI 1568758415, Chicago, IL); Signify Health Medical Associates, PLLC (NPI 1750845863, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** July 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1689488678) · Data from the CMS NPPES public registry.