NPPES file of Aug 9, 2026

Gabriella Jane Demchenko

Family Nurse Practitioner · Buffalo Grove, IL

Gabriella Jane Demchenko is a family nurse practitioner with a practice address in Buffalo Grove, Illinois, and NPI 1114872397, issued on Mar 3, 2026. Check the license (Illinois 209.034874, 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
1114872397
Name
Gabriella Jane Demchenko
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209.034874 IL
Self-reported in NPPES; status is on the state search
Practice location
56 W Dundee RD, Buffalo Grove, IL 60089
Phone
(224) 601-5001
Enumerated
Mar 3, 2026
Record last updated
Mar 20, 2026
Fax
(224) 333-7063
Medicare enrollment
Enrolled (PECOS I20260331002491); 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 56 W Dundee RD

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

  1. Wendy Belletynee, APN, FNP-C, FPAFamily Nurse Practitioner1619529138
  2. Bianca Cartagena, APN, FNP-BCFamily Nurse Practitioner1861844607
  3. Sabeena FaizFamily Nurse Practitioner1245428978
  4. Mark FigueroaFamily Nurse Practitioner1609659176
  5. Tatyana Kholod SandersFamily Nurse Practitioner1811326523
  6. Katie KimNurse Practitioner1700603024

Verify Gabriella Jane Demchenko 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 209.034874    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. Vitality Forever Healthcare P.CBuffalo Grove, IL

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

Gabriella Jane Demchenko among 7,639 family nurse practitioner records in Illinois

Gabriella Jane Demchenko 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 2026, is newer than 97% of them.

  • NPI issued2026 · 97% of these records are older, 0% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2025 · median 2018 among the 4,778 with a school on file
  • Record last updated2026 · 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).

19 family nurse practitioner records list a practice address in Buffalo Grove

They are 19 of the 868 NPPES records with a practice address in Buffalo Grove, and 7,639 family nurse practitioner records in Illinois.

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

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Swapna Babu, FNPBuffalo Grove, IL 600891740665082
  2. Wendy Belletynee, APN, FNP-C, FPABuffalo Grove, IL 600891619529138
  3. Nikki Blackman, APNBuffalo Grove, IL 600891801223987
  4. Bianca Cartagena, APN, FNP-BCBuffalo Grove, IL 600891861844607
  5. Michelle DigiovanniBuffalo Grove, IL 600891457449530
  6. Sabeena FaizBuffalo Grove, IL 600891245428978
  7. Tatyana Kholod SandersBuffalo Grove, IL 600891811326523
  8. Supriya Klionsky, NP-CBuffalo Grove, IL 600891558630616

Common questions

What is Gabriella Jane Demchenko's NPI number?

Gabriella Jane Demchenko's National Provider Identifier (NPI) is 1114872397, issued on Mar 3, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Gabriella Jane Demchenko located?

The NPPES record lists a practice address at 56 W Dundee RD, Buffalo Grove, IL, 60089. Phone: (224) 601-5001. Providers update this record themselves, so call before visiting.

How can I verify Gabriella Jane Demchenko's license?

NPPES lists Illinois license number 209.034874, 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.