John Aker, CRNA, MS
NPI 1265490577 · Certified Registered Nurse Anesthetist · Iowa City, IA
John Aker, CRNA, MS is a Certified Registered Nurse Anesthetist provider in Iowa City, IA (NPI 1265490577).
Provider details
- NPI number
- 1265490577
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA, MS
- Sex
- Male
- Sole proprietor
- No
- License
- 084499 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-05-03
- Last updated
- 2010-02-11
Frequently asked questions
- What is John Aker's NPI number?
- John Aker's National Provider Identifier (NPI) is 1265490577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Aker's specialty?
- John Aker is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Aker located?
- John Aker's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is John Aker's phone number?
- The practice phone number listed in the NPPES registry for John Aker is (319) 356-2633.
- Is John Aker's NPI active?
- Yes — John Aker's NPI (1265490577) is active in the NPPES registry as of the last update on 2010-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.