1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Nurse Anesthetist Certified Registered
  6. NPI Profile

KATHLEEN OLSEN CRNA
NPI 1023459005
Nurse Anesthetist, Certified Registered in Chicago, IL

Active since July 08, 2013PECOS EnrolledAccepts Medicare Assignment
8420 W BRYN MAWR AVE STE 300, CHICAGO, IL 60631(773) 756-5780(773) 714-1353 Get Directions Write a Review

NPPES record last updated: June 13, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 13, 2023, Aug 5, 2021 (2 updates tracked since 2021).

About Kathleen Olsen Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHLEEN OLSEN CRNA (NPI 1023459005) is an individual nurse anesthetist, certified registered in Chicago, Illinois, licensed in Illinois (209012168) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1023459005
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameKATHLEEN OLSENCredential: CRNA
Location Address8420 W BRYN MAWR AVE STE 300Chicago, IL 60631-3436
Mailing AddressPo Box 443Bedford Park, IL 60499-0443 · (773) 756-5780 · Fax (773) 714-1353
Phone(773) 756-5780
Fax(773) 714-1353
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJuly 8, 2013
Last NPPES UpdateJune 13, 20232 updates tracked since enumeration
NPPES CertifiedJune 13, 2023
✔ NPI 1023459005 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in IL · 209012168
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
8420 W BRYN MAWR AVE STE 300, Chicago, IL 60631
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kathleen Olsen Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1456586932
PECOS Enrollment IDI20160401000941
Eligible to Order & Refer✔ Part B Labs & Imaging– Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Kathleen Olsen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lutheran General Hospital
4.0 mi
Cardiovascular Disease
1775 DEMPSTER ST
Park Ridge, IL 60068
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
NPI 1801809306 (847) 723-2210
Ambulatory Anesthesiologists Of Chicago, LLC
12 mi
Anesthesiology
60 E DELAWARE PL FL 15
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 39 clinicians in this Medicare group
NPI 1659306272 (312) 291-7432
Amsurg Oak Lawn Il Anesthesia LLC
19 mi
Nurse Anesthetist, Certified Registered
9921 SOUTHWEST HWY
Oak Lawn, IL 60453
  • Reassigned Medicare billing, Illinois enrollment
  • 21 clinicians in this Medicare group
NPI 1659799948 (708) 425-2552
Illinois Gastroenterology Group, LLC
26 mi
Gastroenterology
745 FLETCHER DRIVE
Elgin, IL 60123
  • Reassigned Medicare billing, Illinois enrollment
  • 235 clinicians in this Medicare group
NPI 1316277817 (847) 888-1300
Elite Anesthesia Providers, Ltd
30 mi
Anesthesiology
19110 DARVIN DR STE A
Mokena, IL 60448
  • Reassigned Medicare billing, Illinois enrollment
  • 63 clinicians in this Medicare group
NPI 1679258388 (708) 478-8889

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
124 services108 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
73 services73 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
34 services34 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
30 services30 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
28 services28 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60631 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KAREN CAMPBELL SPACCARELLI M.D.
Anesthesiology
8420 W BRYN MAWR AVE STE 300
CHICAGO, IL 60631
Cook County (708) 831-8282
DR. SARAH OSWALD
Anesthesiology
8420 W BRYN MAWR AVE STE 300
CHICAGO, IL 60631
Cook County (773) 355-5300
MUHAMMAD KHAWARI MD
Anesthesiology
8420 W BRYN MAWR AVE STE 300
CHICAGO, IL 60631
Cook County (773) 355-5300
DR. JITEN JAYANTILAL PATEL M.D.
Anesthesiology
8420 W BRYN MAWR AVE STE 300
CHICAGO, IL 60631
Cook County (773) 355-5300
DR. RAHUL REDDY M.D.
Anesthesiology
8420 W BRYN MAWR AVE STE 300
CHICAGO, IL 60631
Cook County (219) 613-9016
DR. NEELAM TRIVEDI ROZANSKI DO
Anesthesiology
8420 W BRYN MAWR AVE STE 300
CHICAGO, IL 60631
Cook County (773) 355-5300
TAMILA GRANT MD
Anesthesiology
8420 W BRYN MAWR AVE STE 300
CHICAGO, IL 60631
Cook County (312) 933-4014
DR. KRISTIN MARY COMMITO M.D.
Anesthesiology
8420 W BRYN MAWR AVE STE 300
CHICAGO, IL 60631
Cook County (708) 831-8282

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kathleen Olsen's NPI number?

The NPI number for Kathleen Olsen is 1023459005. It was assigned to this individual provider in the NPPES registry on July 8, 2013.

Where is Kathleen Olsen located?

Kathleen Olsen practices at 8420 W Bryn Mawr Ave Ste 300, Chicago, IL 60631. The listed phone number is (773) 756-5780.

What is Kathleen Olsen's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Kathleen Olsen enrolled in Medicare?

Yes. Kathleen Olsen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Kathleen Olsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Olsen reassigns Medicare benefits to 5 organizations: Lutheran General Hospital (Park Ridge, IL), Ambulatory Anesthesiologists Of Chicago, LLC (Chicago, IL), Amsurg Oak Lawn Il Anesthesia LLC (Oak Lawn, IL), Illinois Gastroenterology Group, LLC (Elgin, IL) and Elite Anesthesia Providers, Ltd (Mokena, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kathleen Olsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kathleen Olsen was last updated on June 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.