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

Individual provider Certified Registered Nurse Anesthetist · NPI 1720762750

Jessica Mahassek, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Belleville, Illinois. Qualified in 2023, 3 years ago. Practices with Midwest Anesthesia Providers SC, a 182-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
3
Licensed in
MO
In the registry since
2023
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

4500 Memorial Dr
Belleville, IL 62226-5360
Phone: (618) 233-7750
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1514 High School Dr, Saint Louis, MO 63144-1131 — (618) 803-8005

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 147092 (MO)

Record details

NPI number1720762750
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorYes
NPI enumeratedJune 12, 2023
Last updated in NPPESJune 17, 2023
Certification dateJune 17, 2023

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Midwest Anesthesia Providers Sc — 182 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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