Aaron Madden, DO
NPI 1235877986 · Hospitalist Physician · Madison, WI
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Madden, DO is a Hospitalist Physician provider in Madison, WI (NPI 1235877986).
Provider details
- NPI number
- 1235877986
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 81930-20 (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
4 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.
$24 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
- 2022-05-23
- Last updated
- 2025-08-25
- Certified
- 2025-08-25
Frequently asked questions
- What is Aaron Madden's NPI number?
- Aaron Madden's National Provider Identifier (NPI) is 1235877986, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Madden's specialty?
- Aaron Madden is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Aaron Madden located?
- Aaron Madden's practice location on file with NPPES is 700 S Park St, Madison, WI 53715-1830.
- What is Aaron Madden's phone number?
- The practice phone number listed in the NPPES registry for Aaron Madden is (608) 251-6100.
- Does Aaron Madden accept Medicare?
- Aaron Madden is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Madden's NPI active?
- Yes — Aaron Madden's NPI (1235877986) is active in the NPPES registry as of the last update on 2025-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.