NPPES file of Aug 9, 2026

Hannah Loek, CRNA

Certified Registered Nurse Anesthetist · Chicago, IL

Hannah Loek, CRNA is a certified registered nurse anesthetist with a practice address in Chicago, Illinois, and NPI 1912780644, issued on Aug 16, 2023. Check the license (Illinois 041.435911, 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
1912780644
Name
Hannah Loek
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
041.435911 IL
Self-reported in NPPES; status is on the state search
Practice location
659 W Washington Blvd, Chicago, IL 60661
Phone
(630) 204-5512
Enumerated
Aug 16, 2023
Record last updated
Aug 16, 2023
Medicare enrollment
Enrolled (PECOS I20231106001809); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 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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8 nearest certified registered nurse anesthetist records → All 2,444 in Illinois → Look up another NPI →

Also registered at 659 W Washington Blvd

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

  1. Rose Ali, PA-CPhysician Assistant1003085796
  2. Michelle Arnesen, PA-CPhysician Assistant1396913885
  3. Caroline ChristopherWomen's Health Nurse Practitioner1811787930
  4. Claire Michelsen, CNMAdvanced Practice Midwife1205246451
  5. Sarah Miles, APRN, MSN, CNMAdvanced Practice Midwife1518524214
  6. Virgil Reid, MDObstetrics & Gynecology Physician1881704492

Verify Hannah Loek 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 041.435911    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. Northstar Anesthesia OF Illinois, LLCChicago Heights, IL

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

Hannah Loek among 2,444 certified registered nurse anesthetist records in Illinois

Hannah Loek, CRNA is one of 2,444 certified registered nurse anesthetist 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 2023, is newer than 87% of them.

  • NPI issued2023 · 87% of these records are older, 6% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2023 · median 2015 among the 1,926 with a school on file
  • Record last updated2023 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in Illinois

There are 2,444 certified registered nurse anesthetist records in Illinois.

All 2,444 in Illinois → Every provider in Chicago → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Scott Allsup, CRNAChicago, IL 606601508480153
  2. Mollie Hassett, CRNAChicago, IL 606601821090317
  3. Tristan Adriatico, DNAPChicago, IL 606571285499558
  4. Jacob Bonnema, CRNAChicago, IL 606571720778988
  5. Debra FaridaChicago, IL 606571003456039
  6. Fatma Haiderzad, CRNAChicago, IL 606571982069803
  7. Sarah HoffmanChicago, IL 606571568122299
  8. Theresa Keegan, CRNAChicago, IL 606571619797537

Common questions

What is Hannah Loek, CRNA's NPI number?

Hannah Loek, CRNA's National Provider Identifier (NPI) is 1912780644, issued on Aug 16, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Hannah Loek, CRNA located?

The NPPES record lists a practice address at 659 W Washington Blvd, Chicago, IL, 60661. Phone: (630) 204-5512. Providers update this record themselves, so call before visiting.

How can I verify Hannah Loek, CRNA's license?

NPPES lists Illinois license number 041.435911, 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.