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

Mr. Zachary Herbert Hollen, CCC/AUD

Individual provider Audiologist · NPI 1356021620

Mr. Zachary Herbert Hollen, CCC/AUD is a Qualified Audiologist in Duluth, Minnesota. Qualified in 2022, 4 years ago. Practices with The Duluth Clinic Ltd, a 1,127-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
4
Licensed in
MN
In the registry since
2023
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Practice location Address checks out

400 E 3rd St
Duluth, MN 55805-1951
Phone: (218) 786-8364
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Audiologist (primary) Taxonomy 231H00000X · Licence 528420 (MN)

Record details

NPI number1356021620
Entity typeIndividual (Type 1)
GenderMale
Credentials CCC/AUD
Sole proprietorNo
NPI enumeratedJuly 21, 2023
Last updated in NPPESJuly 21, 2023
Certification dateJuly 21, 2023

Medicare enrollment

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

Medicare specialtyQUALIFIED AUDIOLOGIST
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice The Duluth Clinic Ltd — 1127 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Duluth