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

Gregory A O'Neal, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1679533657

Gregory A O'Neal, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Springfield, Missouri. Qualified in 1999, 27 years ago. Practices with Mercy Clinic Springfield Communities, a 1,126-clinician group and accepts Medicare assignment. Licensed in Illinois and Missouri.

Years since qualifying
27
Licensed in
IL, MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1235 E Cherokee St
Springfield, MO 65804-2203
Phone: (417) 820-6863
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 2018015163 (MO)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence 209002951 (IL)

Record details

NPI number1679533657
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedMarch 24, 2006
Last updated in NPPESJune 27, 2019

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Mercy Clinic Springfield Communities — 1126 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Springfield