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

John Steven Waschak, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1922102045

John Steven Waschak, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Columbia, Missouri. Qualified in 1976, 50 years ago. Practices with Columbia Orthopaedic Group LLP, a 94-clinician group and accepts Medicare assignment. Licensed in California and Missouri.

Years since qualifying
50
Licensed in
CA, 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 Partly verified

Some contact details are missing from the federal record.

One Hospital Dr
Columbia, MO 65212-0001
Phone: (573) 882-2568
Fax: (855) 903-0985
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 2021013062 (MO)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence RN 480439 NA 1911 (CA)

Record details

NPI number1922102045
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedSeptember 11, 2006
Last updated in NPPESNovember 3, 2023
Certification dateNovember 3, 2023

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 1976 (50 years in practice)
Group practice Columbia Orthopaedic Group Llp — 94 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Columbia