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

Corey Farnum, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1881707834

Corey Farnum, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Clarion, Iowa. Qualified in 2004, 22 years ago. Practices with Mason City Ambulatory Surgery Center, LLC, a 13-clinician group and accepts Medicare assignment. Licensed in Iowa and Nebraska.

Years since qualifying
22
Licensed in
IA, NE
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 →

Practice location Address checks out

1316 S Main St
Clarion, IA 50525-2019
Phone: (402) 449-4847
Fax: (402) 449-4885
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 D143569 (IA)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence 100900 (NE)

Record details

NPI number1881707834
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedAugust 16, 2006
Last updated in NPPESDecember 17, 2019
Certification dateDecember 17, 2019

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Mason City Ambulatory Surgery Center, Llc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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