NPPES file of Aug 9, 2026

Kathleen Olsen, CRNA

Certified Registered Nurse Anesthetist · Chicago, IL

Kathleen Olsen, CRNA is a certified registered nurse anesthetist with a practice address in Chicago, Illinois, and NPI 1023459005, issued on Jul 8, 2013. Check the license (Illinois 209012168, 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
1023459005
Name
Kathleen Olsen
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
209012168 IL
Self-reported in NPPES; status is on the state search
Practice location
8420 W Bryn Mawr Ave Ste 300, Chicago, IL 60631
Phone
(773) 756-5780
Enumerated
Jul 8, 2013
Record last updated
Jun 13, 2023
Fax
(773) 714-1353
Medicare enrollment
Enrolled (PECOS I20160401000941); 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 certified registered nurse anesthetist records → All 2,444 in Illinois → Look up another NPI →

Also registered at 8420 W Bryn Mawr Ave Ste 300

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

  1. Christian Altman, M.D.Anesthesiology Physician1194917377
  2. Tania Balabanova, MDAnesthesiology Physician1730463282
  3. Aarchita BuddhadevAnesthesiology Physician1881997633
  4. Mark Burno, MDAnesthesiology Physician1992843064
  5. Kristin Commito, M.D.Anesthesiology Physician1124151238
  6. Aisling Conran, MDAnesthesiology Physician1609982586

Verify Kathleen Olsen 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 209012168    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. Ambulatory Anesthesiologists OF Chicago LLCBedford Park, IL

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

Kathleen Olsen among 2,444 certified registered nurse anesthetist records in Illinois

Kathleen Olsen, 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 2013, is newer than 49% of them.

  • NPI issued2013 · 49% of these records are older, 48% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2013 · 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. Jose Belandres, CRNAChicago, IL 606311518584028
  2. Julia Elkin, APRN, CRNAChicago, IL 606311871914580
  3. Roxanne Fitzgerald, CRNAChicago, IL 606311972805851
  4. Kirk Leindecker, CRNAChicago, IL 606311245544667
  5. Bogusia MiszczyszynChicago, IL 606311356763213
  6. Brandye Preyer, CRNAChicago, IL 606311093235186
  7. Alexander Rosc, APN-CRNAChicago, IL 606311609405869
  8. Lauren Ryczek, CRNAChicago, IL 606311992332407

Common questions

What is Kathleen Olsen, CRNA's NPI number?

Kathleen Olsen, CRNA's National Provider Identifier (NPI) is 1023459005, issued on Jul 8, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Olsen, CRNA located?

The NPPES record lists a practice address at 8420 W Bryn Mawr Ave Ste 300, Chicago, IL, 60631. Phone: (773) 756-5780. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Olsen, CRNA's license?

NPPES lists Illinois license number 209012168, 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.