NPPES file of Aug 9, 2026

Corey Farnum, CRNA

Certified Registered Nurse Anesthetist · Clarion, IA

Corey Farnum, CRNA is a certified registered nurse anesthetist with a practice address in Clarion, Iowa, and NPI 1881707834, issued on Aug 16, 2006. Check the license (Iowa D143569, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881707834
Name
Corey Farnum
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
D143569 IA
100900 NE
Self-reported in NPPES; status is on the state search
Practice location
1316 S Main St, Clarion, IA 50525
Phone
(402) 449-4847
Enumerated
Aug 16, 2006
Record last updated
Dec 17, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(402) 449-4885
Medicare enrollment
Enrolled (PECOS I20161111001151); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1316 S Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carla Aldrich, CRNACertified Registered Nurse Anesthetist1659589828
  2. Mark Andrew, MDSurgery Physician1174567895
  3. Teresa Armstrong, PA-CPhysician Assistant1871602334
  4. Kaitlen Baker, MDInternal Medicine Physician1467911750
  5. Benjamin Becker, P.A.Medical Physician Assistant1124413307
  6. Jacob Boll, CRNACertified Registered Nurse Anesthetist1750053351

Verify Corey Farnum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license D143569    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Mason City Ambulatory Surgery Center, LLCMason City, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

10 certified registered nurse anesthetist records list a practice address in Clarion

They are 10 of the 88 NPPES records with a practice address in Clarion, and 584 certified registered nurse anesthetist records in Iowa.

All 10 in Clarion → All 584 in Iowa → Every provider in Clarion →

Other certified registered nurse anesthetist records in Iowa

  1. Alissa AbelDes Moines, IA1124888599
  2. Lydia AdamsDecorah, IA1538584131
  3. Seth Additon, DNP, CRNAManchester, IA1336848282
  4. John Aker, CRNA, MSIowa City, IA1265490577
  5. Robert Albin, CRNADes Moines, IA1164542502
  6. Carla Aldrich, CRNAClarion, IA1659589828
  7. Kathryn Allen, CRNA, ARNPIowa City, IA1376574954
  8. Blake AltenhofenIowa City, IA1396431557
  9. Dale Althaus, CRNAAmes, IA1023072220
  10. Cameron Andela, STUDENTSpencer, IA1740867241

Common questions

What is Corey Farnum, CRNA's NPI number?

Corey Farnum, CRNA's National Provider Identifier (NPI) is 1881707834, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Corey Farnum, CRNA located?

The NPPES record lists a practice address at 1316 S Main St, Clarion, IA, 50525. Phone: (402) 449-4847. Providers update this record themselves, so call before visiting.

How can I verify Corey Farnum, CRNA's license?

NPPES lists Iowa license number D143569, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.