Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Betty Lussi Mestousis, CRNA, APN

Individual provider Acute Care Nurse Practitioner · NPI 1952522815

Betty Lussi Mestousis, CRNA, APN is a Certified Registered Nurse Anesthetist (CRNA) in Chicago, Illinois. Qualified in 2016, 10 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
10
Licensed in
IL
In the registry since
2007
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

680 N Lake Shore Dr Ste 1000
Chicago, IL 60611-4546
Phone: (312) 695-9797
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 209015047 (IL)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence 209-006214 (IL)

Record details

NPI number1952522815
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA , APN
Sole proprietorNo
NPI enumeratedMay 1, 2007
Last updated in NPPESDecember 18, 2025
Certification dateDecember 18, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations11 on file with Medicare

Other providers in Chicago