Stephen Kordiyak, C.R.N.A.
NPI 1912978099 · Certified Registered Nurse Anesthetist · Antigo, WI
Stephen Kordiyak, C.R.N.A. is a Certified Registered Nurse Anesthetist provider in Antigo, WI (NPI 1912978099).
Provider details
- NPI number
- 1912978099
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- C.R.N.A.
- Sex
- Male
- Sole proprietor
- No
- License
- 113499 (WI)
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
- 2006-01-27
- Last updated
- 2010-04-02
Frequently asked questions
- What is Stephen Kordiyak's NPI number?
- Stephen Kordiyak's National Provider Identifier (NPI) is 1912978099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Kordiyak's specialty?
- Stephen Kordiyak is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephen Kordiyak located?
- Stephen Kordiyak's practice location on file with NPPES is 115 E 5th Ave, Antigo, WI 54409-2711.
- What is Stephen Kordiyak's phone number?
- The practice phone number listed in the NPPES registry for Stephen Kordiyak is (715) 623-2331.
- Is Stephen Kordiyak's NPI active?
- Yes — Stephen Kordiyak's NPI (1912978099) is active in the NPPES registry as of the last update on 2010-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.