Benjamin John Armstrong, CRNA
Certified Registered Nurse Anesthetist · Spencer, IA
Benjamin John 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.
- Name
- Benjamin John 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
- Record last updated
- Apr 10, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120516000040); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 584 in Iowa → Look up another NPI →
Also registered at 1200 1St Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cameron Andela, STUDENTCertified Registered Nurse Anesthetist1740867241
- Eric Anderson, CRNACertified Registered Nurse Anesthetist1205801917
- Paul Anderson, D.O.Psychiatry Physician1215924006
- Robert Appel, CRNACertified Registered Nurse Anesthetist1790750495
- Laura Armstrong, ARNPHospitalist Physician1548782964
- Sheri Ann Baker, CRNACertified Registered Nurse Anesthetist1164599684
Verify Benjamin John Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 116492Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4 hospitals and group practices
- Spencer Municipal HospitalSpencer, IA · Acute Care Hospitals4 of 5 stars
- Lakes Regional HealthcareSpirit Lake, IA · Acute Care Hospitals2 of 5 stars
- Northwest Iowa Anesthesia AssociatesSpencer, IA
- Windom Area HospitalWindom, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Benjamin John Armstrong among 584 certified registered nurse anesthetist records in Iowa
Benjamin John Armstrong, CRNA is one of 584 certified registered nurse anesthetist records with a practice address in Iowa. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 50% of them.
- NPI issued2010 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2012 · median 2014 among the 406 with a school on file
- Record last updated2012 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 certified registered nurse anesthetist records list a practice address in Spencer
They are 11 of the 346 NPPES records with a practice address in Spencer, and 584 certified registered nurse anesthetist records in Iowa.
All 584 in Iowa → Every provider in Spencer → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Cameron Andela, STUDENTSpencer, IA 513011740867241
- Eric Anderson, CRNASpencer, IA 513011205801917
- Robert Appel, CRNASpencer, IA 513011790750495
- Sheri Ann Baker, CRNASpencer, IA 513011164599684
- Keith Begeman, CRNASpencer, IA 513011780142372
- John Haak, CRNA, ARNPSpencer, IA 513011437313715
- Morganne Kabele, CRNASpencer, IA 513011649011156
- Dale Kroll, CRNASpencer, IA 513011538134218
Common questions
What is Benjamin John Armstrong, CRNA's NPI number?
Benjamin John 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 John 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 John 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), 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.
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.