Registry data as of Aug 27, 2026

Benjamin Armstrong, CRNA

Certified Registered Nurse Anesthetist · Spencer, IA

Benjamin Armstrong, CRNA is a certified registered nurse anesthetist with a practice address in Spencer, Iowa, and NPI 1174845564, issued on Feb 25, 2010. Check the license (Iowa 116492, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1174845564
Name
Benjamin Armstrong
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
116492 IA
Self-reported in NPPES; status is on the state search
Practice location
1200 1St Ave E, Spencer, IA 51301
Phone
(712) 264-6165
Enumerated
Feb 25, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1200 1St Ave E

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

  1. Cameron Andela, STUDENTStudent in an Organized Health Care Education/Training Program1740867241
  2. Eric Anderson, CRNACertified Registered Nurse Anesthetist1205801917
  3. Paul Anderson, D.O.Psychiatry Physician1215924006
  4. Robert Appel, CRNACertified Registered Nurse Anesthetist1790750495
  5. Laura Armstrong, ARNPHospitalist Physician1548782964
  6. Sheri Ann Baker, CRNACertified Registered Nurse Anesthetist1164599684

Verify Benjamin Armstrong 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 116492
    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.

4 hospital and facility affiliations

  1. Spencer Municipal HospitalSpencer, IA · Acute Care Hospitals4 of 5 stars
  2. Lakes Regional HealthcareSpirit Lake, IA · Acute Care Hospitals2 of 5 stars
  3. Northwest Iowa Anesthesia AssociatesSpencer, IA
  4. Windom Area HospitalWindom, MN

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

10 certified registered nurse anesthetist records list a Spencer practice address

They are 10 of the 346 NPPES records with a Spencer practice address, and 504 certified registered nurse anesthetist records in Iowa.

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. Emily Anderson, CRNASioux City, IA1174933238

Common questions

What is Benjamin Armstrong, CRNA's NPI number?

Benjamin Armstrong, CRNA's National Provider Identifier (NPI) is 1174845564, issued on Feb 25, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Armstrong, CRNA located?

The NPPES record lists a practice address at 1200 1St Ave E, Spencer, IA, 51301. Phone: (712) 264-6165. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Armstrong, CRNA's license?

NPPES lists Iowa license number 116492, 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.