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

Aaron D Buck, CRNA

Individual provider Critical Care Medicine Registered Nurse · NPI 1891201547

Aaron D Buck, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Marshfield, Wisconsin. Qualified in 2018, 8 years ago. Practices with Sleepy Plains Anesthesia LLC, a 9-clinician group and accepts Medicare assignment. Licensed in Florida and Wisconsin.

Years since qualifying
8
Licensed in
FL, WI
In the registry since
2017
Specialties on file
3
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Practice location Address checks out

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone: (715) 387-5511
Fax: (715) 387-5240
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 1035533 (WI)
Critical Care Medicine Registered Nurse Taxonomy 163WC0200X · Licence 9415723 (FL)
Registered Nurse Taxonomy 163W00000X · Licence 24052130 (WI)

Record details

NPI number1891201547
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedDecember 18, 2017
Last updated in NPPESMarch 19, 2021
Certification dateMarch 19, 2021
Mailing address203380 Cayman Ave, Marshfield, WI 54449-4283

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Sleepy Plains Anesthesia Llc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount