William Madson
NPI 1487162335 · Hearing Instrument Specialist · Sheboygan, WI
William Madson is a Hearing Instrument Specialist provider in Sheboygan, WI (NPI 1487162335).
Provider details
- NPI number
- 1487162335
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 1544-60 (WY)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-01-12
- Last updated
- 2018-01-12
Frequently asked questions
- What is William Madson's NPI number?
- William Madson's National Provider Identifier (NPI) is 1487162335, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Madson's specialty?
- William Madson is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is William Madson located?
- William Madson's practice location on file with NPPES is 3416 Mill Rd Ste 10, Sheboygan, WI 53083-2058.
- What is William Madson's phone number?
- The practice phone number listed in the NPPES registry for William Madson is (920) 451-1100.
- Is William Madson's NPI active?
- Yes — William Madson's NPI (1487162335) is active in the NPPES registry as of the last update on 2018-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.