Zachary Herbert Hollen, CCC/AUD
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 420 E. 1st St., Duluth, MN 55805
- Practice phone
- Call (218) 786-1019
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Essentia Health-Duluth Clinic 1st Street
Mammography / Breast Imaging Center · Duluth, Minnesota
Find Zachary Hollen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Zachary Herbert Hollen is an audiologist in Duluth, Minnesota
Zachary Hollen practices at Essentia Health-Duluth Clinic 1st Street in Duluth, Minnesota.
Zachary Hollen's NPI, 1356021620, was assigned on July 21, 2023. Zachary Hollen holds Minnesota license 528420.
- NPI
- 1356021620NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143683615
- NPI enumeration date
- July 21, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (218) 786-1019
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Zachary Herbert Hollen practices at Essentia Health-Duluth Clinic 1st Street in Duluth, Minnesota
Zachary Hollen's primary practice is Essentia Health-Duluth Clinic 1st Street, at 420 E. 1st St., Duluth, MN 55805. The practice phone is (218) 786-1019.
- Essentia Health-Duluth Clinic 1st Street420 E. 1st St., Duluth, MN 55805Phone(218) 786-1019
Source: Dmand AI Affiliation Data
Zachary Herbert Hollen is affiliated with 2 sites of care and 1 medical group
Zachary Hollen's primary practice is Essentia Health-Duluth Clinic 1st Street in Duluth, Minnesota. Zachary Hollen is also affiliated with Essentia Health-Duluth (Miller-Dwan, Building D). The medical group on file is Essentia Health-Duluth Clinic. Zachary Hollen's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Zachary Herbert Hollen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Zachary Hollen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Essentia Health-Duluth Clinic 1st Street | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Zachary Herbert Hollen is one of 503 audiologists in Minnesota
Audiologist is Zachary Hollen's primary specialty in the NPI Registry, under taxonomy code 231H00000X. Zachary Hollen is licensed in Minnesota.
Specialties and state licenses
- Audiologist, MinnesotaPrimary
Audiologists near Zachary Hollen
Counts of audiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Zachary Herbert Hollen's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Zachary Hollen's median patient age at 43, with 50% women.
Zachary Hollen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
How Zachary Herbert Hollen takes part in Medicare
Zachary Hollen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Zachary Herbert Hollen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Zachary Herbert Hollen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Zachary Herbert Hollen's NPI number?
Zachary Herbert Hollen's NPI number is 1356021620. It was assigned on July 21, 2023, and it is active in the NPI Registry.
What does Zachary Herbert Hollen specialize in?
Zachary Herbert Hollen is an audiologist in Duluth, Minnesota. The primary specialty in the NPI Registry is Audiologist (taxonomy code 231H00000X).
Where does Zachary Herbert Hollen practice?
Zachary Hollen practices at 420 E. 1st St., Duluth, MN 55805. Zachary Hollen's primary practice is Essentia Health-Duluth Clinic 1st Street in Duluth, Minnesota.
What is Zachary Herbert Hollen's office phone number?
The practice phone on file for Zachary Hollen is (218) 786-1019.
What is Zachary Herbert Hollen's medical license number?
Zachary Hollen holds Minnesota license 528420.
Which hospitals is Zachary Herbert Hollen affiliated with?
Zachary Hollen is affiliated with Essentia Health-Duluth (Miller-Dwan, Building D).
What medical group is Zachary Herbert Hollen part of?
Zachary Hollen is linked to Essentia Health-Duluth Clinic.
Does Zachary Herbert Hollen accept Medicare?
Yes. CMS lists Zachary Hollen as accepting Medicare assignment.
How long has Zachary Herbert Hollen been practicing?
Zachary Hollen graduated from medical school in 2022, 4 years ago.
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