NPPES file of Aug 9, 2026

Alexandra Chlebek

Physician Assistant · Elgin, IL

Alexandra Chlebek is a physician assistant with a practice address in Elgin, Illinois, and NPI 1598492100, issued on Aug 3, 2022. Check the license 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598492100
Name
Alexandra Chlebek
Primary taxonomy
Physician Assistant 363A00000X
Practice location
1600 N Randall RD Ste 400, Elgin, IL 60123
Phone
(847) 381-8899
Enumerated
Aug 3, 2022
Record last updated
Dec 4, 2023
Fax
(847) 381-8999
Medicare enrollment
Enrolled (PECOS I20231212003060); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 2023
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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Also registered at 1600 N Randall RD Ste 400

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

  1. Lauren BaruchPhysician Assistant1912255514
  2. Suzanne Birmingham, MDDermatopathology Physician1831693597
  3. Maureen Castaldi, PA-CPhysician Assistant1245587401
  4. Kimberly Clark, MMS, PA-CPhysician Assistant1720624166
  5. Monica CollettiPhysician Assistant1861154866
  6. Lauren Corcoran, PA-CPhysician Assistant1790331726

Verify Alexandra Chlebek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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
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77% fewer Medicare Part D claims than the average physician assistant in 2024

188 Medicare Part D claims for 95 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Alexandra Chlebek188
  2. Specialty average830

Most prescribed

  1. Ketoconazole33 claims
  2. Triamcinolone Acetonide31 claims
  3. Clobetasol Propionate24 claims
  4. Hydrocortisone23 claims
  5. Mupirocin20 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Derick Dermatology PLLCBarrington, IL

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

Alexandra Chlebek among 4,926 physician assistant records in Illinois

Alexandra Chlebek is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 71% of them.

  • NPI issued2022 · 71% of these records are older, 22% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2023 · median 2019 among the 3,407 with a school on file
  • Record last updated2023 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

89 physician assistant records list a practice address in Elgin

They are 89 of the 2,268 NPPES records with a practice address in Elgin, and 4,926 physician assistant records in Illinois.

The 8 physician assistant records with the nearest ZIP codes

  1. Trisha Atkins, P.A.Elgin, IL 601231306000765
  2. Carrie Fortman, PACElgin, IL 601231336211549
  3. Jessica Gavzer, PA-CElgin, IL 601231902085673
  4. Jason Graf, PA-CElgin, IL 601231942372537
  5. Tonia Hanson, PA-CElgin, IL 601231023251915
  6. Ashley Jansen, PA-CElgin, IL 601231306083985
  7. Thomas Lewandowski, PA-CElgin, IL 601231144328741
  8. Adam Mollsen, PA-CElgin, IL 601231639140338

Common questions

What is Alexandra Chlebek's NPI number?

Alexandra Chlebek's National Provider Identifier (NPI) is 1598492100, issued on Aug 3, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Alexandra Chlebek located?

The NPPES record lists a practice address at 1600 N Randall RD Ste 400, Elgin, IL, 60123. Phone: (847) 381-8899. Providers update this record themselves, so call before visiting.

How can I verify Alexandra Chlebek's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Alexandra Chlebek prescribe under Medicare Part D?

In 2024, Alexandra Chlebek had 188 Medicare Part D claims for 95 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.

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.