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

Kortney Mathiesen, AUD

Individual provider Audiologist-Hearing Aid Fitter · NPI 1295501286

Kortney Mathiesen, AUD is a Qualified Audiologist in Grass Valley, California. Graduated from Pacific University - College of Optometry in 2023, 3 years ago. Practices with Kimberly Bonney AUD Inc, a 7-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
3
Trained at
Pacific University - College of Optometry
Licensed in
CA
In the registry since
2023
What do these letters mean?
AUD — Doctor of Audiology
A hearing specialist who tests hearing and fits hearing aids.

See every abbreviation used in this directory →

Practice location Address checks out

457 Sutton Way
Grass Valley, CA 95945-4102
Phone: (530) 477-8114
Show map & directions

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

Specialties & licences

Audiologist-Hearing Aid Fitter (primary) Taxonomy 237600000X · Licence AU3820 (CA)

Record details

NPI number1295501286
Entity typeIndividual (Type 1)
GenderFemale
Credentials AUD
Sole proprietorNo
NPI enumeratedNovember 30, 2023
Last updated in NPPESNovember 30, 2023
Certification dateJuly 31, 2023
Mailing address101 Margaret Ln Ste C, Grass Valley, CA 95945-4207

Medicare enrollment

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

Medicare specialtyQUALIFIED AUDIOLOGIST
Medical schoolPACIFIC UNIVERSITY - COLLEGE OF OPTOMETRY
Graduated 2023 (3 years in practice)
Group practice Kimberly Bonney Aud Inc — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Grass Valley