Nathan Balk, CRNA
NPI 1578914503 · Certified Registered Nurse Anesthetist · Green Bay, WI
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Balk, CRNA is a Certified Registered Nurse Anesthetist provider in Green Bay, WI (NPI 1578914503).
Provider details
- NPI number
- 1578914503
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- 7656-33 (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
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 744 S Webster AveGreen Bay, WI 54301-3505Phone: (920) 433-3500
Registry dates
- Enumerated
- 2016-06-30
- Last updated
- 2026-04-21
- Certified
- 2026-04-21
Frequently asked questions
- What is Nathan Balk's NPI number?
- Nathan Balk's National Provider Identifier (NPI) is 1578914503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Balk's specialty?
- Nathan Balk is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nathan Balk located?
- Nathan Balk's practice location on file with NPPES is 2845 Greenbrier Rd, Green Bay, WI 54311-6519.
- What is Nathan Balk's phone number?
- The practice phone number listed in the NPPES registry for Nathan Balk is (920) 288-3388.
- Does Nathan Balk accept Medicare?
- Nathan Balk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Balk's NPI active?
- Yes — Nathan Balk's NPI (1578914503) is active in the NPPES registry as of the last update on 2026-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.