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

Chelsi McIlwain, MSN, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1558784439

Chelsi McIlwain, MSN, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Somerset, Pennsylvania. Qualified in 2013, 13 years ago. Practices with UPMC Somerset, an 18-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
13
Licensed in
PA
In the registry since
2014
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

225 S Center Ave
Somerset, PA 15501-2033
Phone: (814) 443-5080
Show map & directions

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

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence RN574960 (PA)

Record details

NPI number1558784439
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , CRNA
Sole proprietorYes
NPI enumeratedJanuary 28, 2014
Last updated in NPPESMarch 12, 2021
Certification dateMarch 12, 2021

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Upmc Somerset — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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