Benjamin Armstrong, CRNA
NPI 1174845564 · Certified Registered Nurse Anesthetist · Spencer, IA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Armstrong, CRNA is a Certified Registered Nurse Anesthetist provider in Spencer, IA (NPI 1174845564).
Provider details
- NPI number
- 1174845564
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- 116492 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
321 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 92 | $104 |
| Injection of Anesthetic Agent And/Or Steroid Into Other Nerve Or Branch64450 | 55 | $24 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 28 | $269 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 27 | $60 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 23 | $91 |
| Anesthesia for Total Hip Replacement01214 | 20 | $286 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-02-25
- Last updated
- 2012-04-10
Frequently asked questions
- What is Benjamin Armstrong's NPI number?
- Benjamin Armstrong's National Provider Identifier (NPI) is 1174845564, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Armstrong's specialty?
- Benjamin Armstrong is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Benjamin Armstrong located?
- Benjamin Armstrong's practice location on file with NPPES is 1200 1st Ave E, Spencer, IA 51301-4342.
- What is Benjamin Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Armstrong is (712) 264-6165.
- Does Benjamin Armstrong accept Medicare?
- Benjamin Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Armstrong's NPI active?
- Yes — Benjamin Armstrong's NPI (1174845564) is active in the NPPES registry as of the last update on 2012-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.