John Farmer, CRNA
NPI 1578565479 · Certified Registered Nurse Anesthetist · Sioux City, IA
John Farmer, CRNA is a Certified Registered Nurse Anesthetist provider in Sioux City, IA (NPI 1578565479).
Provider details
- NPI number
- 1578565479
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- 043309 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-11
- Last updated
- 2008-04-29
Frequently asked questions
- What is John Farmer's NPI number?
- John Farmer's National Provider Identifier (NPI) is 1578565479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Farmer's specialty?
- John Farmer is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Farmer located?
- John Farmer's practice location on file with NPPES is 801 5th St, Sioux City, IA 51101-1394.
- What is John Farmer's phone number?
- The practice phone number listed in the NPPES registry for John Farmer is (712) 279-2505.
- Is John Farmer's NPI active?
- Yes — John Farmer's NPI (1578565479) is active in the NPPES registry as of the last update on 2008-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.