Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Nathan W Balk, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1578914503

Nathan W Balk, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Green Bay, Wisconsin. Qualified in 2016, 10 years ago. Practices with Osms Anesthesia LLC, a 23-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
10
Licensed in
WI
In the registry since
2016
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

2845 Greenbrier Rd
Green Bay, WI 54311-6519
Phone: (920) 288-3388
Fax: (920) 288-4863
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 744 S Webster Ave, Green Bay, WI 54301-3505 — (920) 433-3500

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 7656-33 (WI)

Record details

NPI number1578914503
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJune 30, 2016
Last updated in NPPESApril 21, 2026
Certification dateApril 21, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Osms Anesthesia Llc — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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