NPPES file of Aug 9, 2026

Atanas Ivanov, FNP

Family Nurse Practitioner · Chicago, IL

Atanas Ivanov, FNP is a family nurse practitioner with a practice address in Chicago, Illinois, and NPI 1689488678, issued on Feb 3, 2025. Check the license (Illinois 209031395, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689488678
Name
Atanas Ivanov
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209031395 IL
Self-reported in NPPES; status is on the state search
Practice location
2003 W Fulton St, Chicago, IL 60612
Phone
(312) 243-2223
Enumerated
Feb 3, 2025
Record last updated
Jul 2, 2025
Medicare enrollment
Enrolled (PECOS I20250711000541); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →

Also registered at 2003 W Fulton St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vanessa Alicea Matos, R.D.Registered Dietitian1003104860
  2. Nicholas Bartz, RDNRegistered Dietitian1245786821
  3. Alpana Bhargava, R.D.Registered Dietitian1891054904
  4. Abhijit Bhat, R.D.Registered Dietitian1235440322
  5. Natalie Borkowski, R.D.Registered Dietitian1811261753
  6. Margaret Bratcher, RD, LDNRegistered Dietitian1568080901

Verify Atanas Ivanov in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209031395    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. MD @ Home Illinois, SCChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Atanas Ivanov among 7,639 family nurse practitioner records in Illinois

Atanas Ivanov, FNP is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 91% of them.

  • NPI issued2025 · 91% of these records are older, 3% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2024 · median 2018 among the 4,778 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,567 family nurse practitioner records list a practice address in Chicago

They are 1,567 of the 63,379 NPPES records with a practice address in Chicago, and 7,639 family nurse practitioner records in Illinois.

All 7,639 in Illinois → Every provider in Chicago → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Barbara Brown, NURSE PRACTITIONERChicago, IL 606121225065352
  2. Cynthia Davis, FNPChicago, IL 606121902897028
  3. Karen Davis, NPChicago, IL 606121740243997
  4. Marie Digiacomo, NPChicago, IL 606121164435269
  5. Lauren Foster, CNPChicago, IL 606121376515379
  6. Patricia Knowles, APN, NP-CChicago, IL 606121912927062
  7. Sarah Lau, APNChicago, IL 606121548254378
  8. Christine Maclean, NPCChicago, IL 606121740210004

Common questions

What is Atanas Ivanov, FNP's NPI number?

Atanas Ivanov, FNP's National Provider Identifier (NPI) is 1689488678, issued on Feb 3, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Atanas Ivanov, FNP located?

The NPPES record lists a practice address at 2003 W Fulton St, Chicago, IL, 60612. Phone: (312) 243-2223. Providers update this record themselves, so call before visiting.

How can I verify Atanas Ivanov, FNP's license?

NPPES lists Illinois license number 209031395, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.