NPPES file of Aug 9, 2026

Sarah Marek

Acute Care Nurse Practitioner · Chicago, IL

Sarah Marek is an acute care nurse practitioner with a practice address in Chicago, Illinois, and NPI 1306248984, issued on Sep 25, 2014. Check the license (Illinois 209.011314, 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
1306248984
Name
Sarah Marek
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
209.011314 IL
Self-reported in NPPES; status is on the state search
Practice location
251 E Huron St, Chicago, IL 60611
Phone
(312) 694-0099
Enumerated
Sep 25, 2014
Record last updated
Jul 25, 2018 (not updated in 8 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest acute care nurse practitioner records → All 639 in Illinois → Look up another NPI →

Also registered at 251 E Huron St

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

  1. Brian Abarbanel, MDPhysical Medicine & Rehabilitation Physician1124600291
  2. Mohamed Abazeed, MD, PHDRadiation Oncology Physician1205096609
  3. Allison AbbottCertified Registered Nurse Anesthetist1720446594
  4. Kathryn AbbottPsychiatry Physician1295537561
  5. Ramez Abdalla, M.B., B. CHNeuroradiology Physician1407410392
  6. Dena Abdelhameed, PHARM.D.Nuclear Pharmacist1073954301

Verify Sarah 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 209.011314    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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Industry payments in 2024: $402.52

3 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sarah Marek$402.52
  2. Specialty average$647.94

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Sarah Marek among 639 acute care nurse practitioner records in Illinois

Sarah Marek is one of 639 acute care nurse practitioner records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 34% of them.

  • NPI issued2014 · 34% of these records are older, 62% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2018 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Illinois

There are 639 acute care nurse practitioner records in Illinois.

All 639 in Illinois → Every provider in Chicago → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Noel Burks, APRN, BCChicago, IL 606111528273679
  2. Lindsay Dohse, ACNP-BCChicago, IL 606111497082838
  3. Melanie Dumlao, NPChicago, IL 606111093750721
  4. Shanelle Eiswirth, ACNPChicago, IL 606111881996411
  5. Kelly Kindy, ACNPChicago, IL 606111528096120
  6. Sara Kowalczuk, NPChicago, IL 606111871675561
  7. Elizabeth Lucier, APN, CNPChicago, IL 606111356369672
  8. Karen Masino, CNPChicago, IL 606111548470602

Common questions

What is Sarah Marek's NPI number?

Sarah Marek's National Provider Identifier (NPI) is 1306248984, issued on Sep 25, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Marek located?

The NPPES record lists a practice address at 251 E Huron St, Chicago, IL, 60611. Phone: (312) 694-0099. Providers update this record themselves, so call before visiting.

How can I verify Sarah Marek's license?

NPPES lists Illinois license number 209.011314, 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.