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
Mailing address800 E Carpenter St, Springfield, IL 62769-1000

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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