William Busse, MD
NPI 1881661486 · Allergy & Immunology (Internal Medicine) Physician · Madison, WI
William Busse, MD is a Allergy & Immunology (Internal Medicine) Physician provider in Madison, WI (NPI 1881661486).
Provider details
- NPI number
- 1881661486
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 16121 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 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.
$88,039 across 50 records (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
- 2006-03-02
- Last updated
- 2021-07-22
- Certified
- 2021-07-22
Frequently asked questions
- What is William Busse's NPI number?
- William Busse's National Provider Identifier (NPI) is 1881661486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Busse's specialty?
- William Busse is listed in the NPPES registry with a primary specialty of Allergy & Immunology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is William Busse located?
- William Busse's practice location on file with NPPES is 5510 S Hill Dr, Madison, WI 53705-4639.
- What is William Busse's phone number?
- The practice phone number listed in the NPPES registry for William Busse is (000) 000-0000.
- Is William Busse's NPI active?
- Yes — William Busse's NPI (1881661486) is active in the NPPES registry as of the last update on 2021-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.