William J. Holzhaeuser, AuD
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2005
- Practice locations
- 2
- Practice address
- 2101 Beaser Ave, Ashland, WI 54806-3632
- Practice phone
- Call (715) 682-9311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ashland Audiology
Physician office · Ashland, Wisconsin
Find William Holzhaeuser'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.
William J. Holzhaeuser is an audiologist in Whittier, California
William Holzhaeuser practices at Ashland Audiology in Ashland, Wisconsin.
William Holzhaeuser's NPI, 1003807322, was assigned on November 4, 2005. William Holzhaeuser holds Wisconsin license 83156.
- NPI
- 1003807322NPI Registry (opens in a new tab)
- NPI enumeration date
- November 4, 2005
- NPI status
- Active
- Practice phone
- (715) 682-9311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
William J. Holzhaeuser practices in Ashland and Whittier
William Holzhaeuser's primary practice is Ashland Audiology, at 2101 Beaser Ave, Ashland, WI 54806-3632. The practice phone is (715) 682-9311. The NPI Registry lists William Holzhaeuser's practice address as 12401 Washington Blvd, Whittier, CA 90602.
- Ashland AudiologyPrimary2101 Beaser Ave, Ashland, WI 54806-3632Phone(715) 682-9311
- NPI Registry address12401 Washington Blvd, Whittier, CA 90602 · Los Angeles County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
William J. Holzhaeuser is affiliated with 1 site of care
William Holzhaeuser's primary practice is Ashland Audiology in Ashland, Wisconsin.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William J. Holzhaeuser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Holzhaeuser practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ashland Audiology | Available with a free account |
Source: Dmand AI Technology Install Data
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William J. Holzhaeuser is one of 823 audiologists in California
Audiologist is William Holzhaeuser's primary specialty in the NPI Registry, under taxonomy code 231H00000X. William Holzhaeuser is licensed in Wisconsin.
Specialties and state licenses
- Audiologist, WisconsinPrimary
Audiologists near William Holzhaeuser
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
William J. Holzhaeuser's patients have a median age of 7
Across all payers, Dmand AI patient panel data puts William Holzhaeuser's median patient age at 7, with 50% women.
William Holzhaeuser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 7
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Sources for William J. Holzhaeuser'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 William J. Holzhaeuser
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What is William J. Holzhaeuser's NPI number?
William J. Holzhaeuser's NPI number is 1003807322. It was assigned on November 4, 2005, and it is active in the NPI Registry.
What does William J. Holzhaeuser specialize in?
William J. Holzhaeuser is an audiologist in Whittier, California. The primary specialty in the NPI Registry is Audiologist (taxonomy code 231H00000X).
Where does William J. Holzhaeuser practice?
William Holzhaeuser practices at 2101 Beaser Ave, Ashland, WI 54806-3632. William Holzhaeuser also practices at 12401 Washington Blvd, Whittier, CA 90602. William Holzhaeuser's primary practice is Ashland Audiology in Ashland, Wisconsin.
What is William J. Holzhaeuser's office phone number?
The practice phone on file for William Holzhaeuser is (715) 682-9311.
What is William J. Holzhaeuser's medical license number?
William Holzhaeuser holds Wisconsin license 83156.
How long has William J. Holzhaeuser been practicing?
William Holzhaeuser's NPI was assigned in 2005.
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