William Madison, D.D.S.
NPI 1538454202 · Dentist · Chicago, IL
William Madison, D.D.S. is a Dentist provider in Chicago, IL (NPI 1538454202).
Provider details
- NPI number
- 1538454202
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 019028626 (IL)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-10
- Last updated
- 2011-06-10
Frequently asked questions
- What is William Madison's NPI number?
- William Madison's National Provider Identifier (NPI) is 1538454202, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Madison's specialty?
- William Madison is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is William Madison located?
- William Madison's practice location on file with NPPES is 811 W Wellington Ave, Chicago, IL 60657-5123.
- What is William Madison's phone number?
- The practice phone number listed in the NPPES registry for William Madison is (773) 871-1461.
- Is William Madison's NPI active?
- Yes — William Madison's NPI (1538454202) is active in the NPPES registry as of the last update on 2011-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.