MR. ZACHARY HERBERT HOLLEN CCC/AUD
NPI 1356021620
Audiologist in Duluth, MN
About Mr. Zachary Herbert Hollen Ccc/aud NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. ZACHARY HERBERT HOLLEN CCC/AUD (NPI 1356021620) is an individual audiologist in Duluth, Minnesota, licensed in Minnesota (528420) and active in the NPI registry since July 2023. He is affiliated with Essentia Health Duluth and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Zachary Herbert Hollen Ccc/aud is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Zachary Hollen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Duluth, MN 55805
- Reassigned Medicare billing, Minnesota enrollment
- 1,460 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Essentia Health Duluth
Acute Care Hospitals · Duluth, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55805 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Zachary Hollen's NPI number?
The NPI number for Zachary Hollen is 1356021620. It was assigned to this individual provider in the NPPES registry on July 21, 2023.
Where is Zachary Hollen located?
Zachary Hollen practices at 400 E 3rd St, Duluth, MN 55805. The listed phone number is (218) 786-8364.
What is Zachary Hollen's specialty?
The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.
Is Zachary Hollen enrolled in Medicare?
Yes. Zachary Hollen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Zachary Hollen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Hollen reassigns Medicare benefits to The Duluth Clinic, Ltd (Duluth, MN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Zachary Hollen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zachary Hollen accept?
Health plans from Sanford Health Plan and Security Health Plan list Zachary Hollen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Zachary Hollen affiliated with any hospitals?
According to CMS data, Zachary Hollen is affiliated with Essentia Health Duluth.
When was this NPI record last updated?
The NPPES record for Zachary Hollen was last updated on July 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. Zachary Herbert Hollen, CCC/AUD · NPI 1356021620
Audiologist provider in Duluth, Minnesota. Individual provider, active in the CMS NPPES registry since July 21, 2023.
## Identity
- **NPI:** 1356021620 (Entity type: Individual)
- **Enumerated:** July 21, 2023
- **Primary specialty:** Audiologist · taxonomy 231H00000X
- **State license:** 528420 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 E 3RD ST, Duluth, MN 55805-1951
- **Phone:** (218) 786-8364
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** The Duluth Clinic, Ltd (NPI 1245278209, Duluth, MN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 21, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1356021620) · Data from the CMS NPPES public registry.