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

Patrick O'Brien, CRNA

Individual provider Registered Nurse · NPI 1053974790

Patrick O'Brien, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Springfield, Illinois. Qualified in 2019, 7 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
7
Licensed in
IL
In the registry since
2019
Specialties on file
2
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

800 E Carpenter St
Springfield, IL 62769-1000
Phone: (217) 544-6464
Fax: (217) 757-6537
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 209019547 (IL)
Registered Nurse Taxonomy 163W00000X · Licence 041437410 (IL)

Record details

NPI number1053974790
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorYes
NPI enumeratedApril 18, 2019
Last updated in NPPESJune 24, 2019

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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