NPPES file of Aug 9, 2026

Anna Marek, FNP-BC

Family Nurse Practitioner · Bourbonnais, IL

Anna Marek, FNP-BC is a family nurse practitioner with a practice address in Bourbonnais, Illinois, and NPI 1821868613, issued on Jan 3, 2024. Check the license (Illinois 209021277, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821868613
Name
Anna Marek
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
209021277 IL
041391530 IL
Self-reported in NPPES; status is on the state search
Practice location
2070 N IL-50, Bourbonnais, IL 60914
Phone
(779) 236-4094
Enumerated
Jan 3, 2024
Record last updated
Jan 3, 2024
Medicare enrollment
Enrolled (PECOS I20240212003903); 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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Also registered at 2070 N IL-50

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

  1. Steven BukauskasFamily Nurse Practitioner1497628028
  2. Crystal OrtizFamily Nurse Practitioner1992520621

Verify Anna Marek 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 209021277
    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

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74% fewer Medicare Part D claims than the average family nurse practitioner in 2024

333 Medicare Part D claims for 211 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Anna Marek333
  2. Specialty average1,305

Most prescribed

  1. Prednisone37 claims
  2. Amoxicillin-Clavulanate Potass31 claims
  3. Azithromycin31 claims
  4. Albuterol Sulfate Hfa30 claims
  5. Cephalexin17 claims
  6. Mupirocin15 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. Midwest Express Care 2, IncWillowbrook, IL

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

Anna Marek among 7,639 family nurse practitioner records in Illinois

Anna Marek, FNP-BC 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 2024, is newer than 85% of them.

  • NPI issued2024 · 85% of these records are older, 9% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2019 · median 2018 among the 4,778 with a school on file
  • Record last updated2024 · 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).

36 family nurse practitioner records list a practice address in Bourbonnais

They are 36 of the 547 NPPES records with a practice address in Bourbonnais, and 7,639 family nurse practitioner records in Illinois.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Tara Campo, NP-CBourbonnais, IL 609141144737123
  2. Rick Carlson, FNP-BCBourbonnais, IL 609141821337437
  3. Kaitlain CavenderBourbonnais, IL 609141699221374
  4. Sarah Coyne, FNP-BCBourbonnais, IL 609141073979654
  5. Elizabeth Deck, FNP-BCBourbonnais, IL 609141396715546
  6. Christin Demierre, FNPBourbonnais, IL 609141780123091
  7. Kelly German, APNBourbonnais, IL 609141588918130
  8. Dena Reddick, FNP-BCBourbonnais, IL 609141588763395

Common questions

What is Anna Marek, FNP-BC's NPI number?

Anna Marek, FNP-BC's National Provider Identifier (NPI) is 1821868613, issued on Jan 3, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Anna Marek, FNP-BC located?

The NPPES record lists a practice address at 2070 N IL-50, Bourbonnais, IL, 60914. Phone: (779) 236-4094. Providers update this record themselves, so call before visiting.

How can I verify Anna Marek, FNP-BC's license?

NPPES lists Illinois license number 209021277, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Anna Marek, FNP-BC prescribe under Medicare Part D?

In 2024, Anna Marek, FNP-BC had 333 Medicare Part D claims for 211 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.