NPPES file of Aug 9, 2026

Diana Chojna, APRN, CNP

Nurse Practitioner · Mokena, IL

Diana Chojna, APRN, CNP is a nurse practitioner with a practice address in Mokena, Illinois, and NPI 1396553186, issued on Dec 25, 2024. Check the license (Illinois 209030643, 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
1396553186
Name
Diana Chojna
Credential
APRN, CNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209030643 IL
Self-reported in NPPES; status is on the state search
Practice location
21202 Owens RD Ste 201, Mokena, IL 60448
Phone
(779) 334-0002
Enumerated
Dec 25, 2024
Record last updated
Jan 28, 2025
Medicare enrollment
Enrolled (PECOS I20250204000424); 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 nurse practitioner records → All 4,892 in Illinois → Look up another NPI →

Also registered at 21202 Owens RD Ste 201

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

  1. Lauren BarnesPhysician Assistant1720480593
  2. Galia Beitner, D.O.Family Medicine Physician1407879398
  3. Coleen Carney, APN/CNPNurse Practitioner1831422740
  4. Gabriela Delgado, M.D.Family Medicine Physician1487970471
  5. Alexander Lin, MDObstetrics & Gynecology Physician1649208323
  6. Milan Patel, DOFamily Medicine Physician1689136285

Verify Diana Chojna 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 209030643    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. Central Dupage Physician GroupMokena, IL

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

Diana Chojna among 4,892 nurse practitioner records in Illinois

Diana Chojna, APRN, CNP is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 87% of them.

  • NPI issued2024 · 87% of these records are older, 8% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2024 · median 2018 among the 3,389 with a school on file
  • Record last updated2025 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 nurse practitioner records list a practice address in Mokena

They are 25 of the 523 NPPES records with a practice address in Mokena, and 4,892 nurse practitioner records in Illinois.

All 4,892 in Illinois → Every provider in Mokena → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Francisco Acevedo, APRN, CNPMokena, IL 604481467446930
  2. Jessica Bara, APRN, CNPMokena, IL 604481457698961
  3. Monika BennerMokena, IL 604481871081711
  4. Coleen Carney, APN/CNPMokena, IL 604481831422740
  5. Nichole Dimaria, FNPMokena, IL 604481336675610
  6. Amber Drobney, FNP-BCMokena, IL 604481801289871
  7. Nicole Fitzgerald, FNP-BCMokena, IL 604481174012454
  8. Gail Gannon, APN-CNPMokena, IL 604481639502230

Common questions

What is Diana Chojna, APRN, CNP's NPI number?

Diana Chojna, APRN, CNP's National Provider Identifier (NPI) is 1396553186, issued on Dec 25, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Diana Chojna, APRN, CNP located?

The NPPES record lists a practice address at 21202 Owens RD Ste 201, Mokena, IL, 60448. Phone: (779) 334-0002. Providers update this record themselves, so call before visiting.

How can I verify Diana Chojna, APRN, CNP's license?

NPPES lists Illinois license number 209030643, 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.