Andrew Istok, CRNA
NPI 1548682180 · Certified Registered Nurse Anesthetist · Phoenix, AZ
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Istok, CRNA is a Certified Registered Nurse Anesthetist provider in Phoenix, AZ (NPI 1548682180).
Provider details
- NPI number
- 1548682180
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- MSLRN50714 (AZ)
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
12 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
- 2014-01-16
- Last updated
- 2014-01-16
Frequently asked questions
- What is Andrew Istok's NPI number?
- Andrew Istok's National Provider Identifier (NPI) is 1548682180, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Istok's specialty?
- Andrew Istok is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrew Istok located?
- Andrew Istok's practice location on file with NPPES is 2601 E Roosevelt St, Phoenix, AZ 85008-4973.
- What is Andrew Istok's phone number?
- The practice phone number listed in the NPPES registry for Andrew Istok is (602) 344-5011.
- Does Andrew Istok accept Medicare?
- Andrew Istok is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Istok's NPI active?
- Yes — Andrew Istok's NPI (1548682180) is active in the NPPES registry as of the last update on 2014-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.