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

Individual provider Certified Registered Nurse Anesthetist · NPI 1174845564

Benjamin John Armstrong, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Spencer, Iowa. Qualified in 2012, 14 years ago. Practices with Northwest Iowa Anesthesia Associates, a 10-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
14
Licensed in
IA
In the registry since
2010
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

1200 1st Ave E
Spencer, IA 51301-4342
Phone: (712) 264-6165
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 116492 (IA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 116492 (IA)

Record details

NPI number1174845564
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedFebruary 25, 2010
Last updated in NPPESApril 10, 2012

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Northwest Iowa Anesthesia Associates — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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