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

Karen Brennhofer, AUD

Individual provider Audiologist · NPI 1275028227

Karen Brennhofer, AUD is a Qualified Audiologist in Owatonna, Minnesota. Qualified in 2018, 8 years ago. Practices with Ronen Nazarian MD Inc, an 8-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
8
Licensed in
MN
In the registry since
2018
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

2200 NW 26th St Apt 309
Owatonna, MN 55060
Phone: (920) 602-0232
Show map & directions

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

Additional practice locations (1)

  • 1025 Marsh St, Mankato, MN 56001-4752 — (920) 602-0232

Specialties & licences

Audiologist (primary) Taxonomy 231H00000X · Licence 9861 (MN)

Record details

NPI number1275028227
Entity typeIndividual (Type 1)
GenderFemale
Credentials AUD
Sole proprietorNo
NPI enumeratedJune 22, 2018
Last updated in NPPESAugust 1, 2018

Medicare enrollment

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

Medicare specialtyQUALIFIED AUDIOLOGIST
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Ronen Nazarian Md Inc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Owatonna