Quick answers
- Does Brad R. Stair accept Medicare assignment?
- Yes. Medicare's clinician data says Brad R. Stair accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Brad R. Stair see?
- In 2024, CMS data shows 878 Original Medicare patients and 2,095 services for Brad R. Stair. This counts Original Medicare only and measures volume, not quality.
- What is Brad R. Stair's NPI number?
- 1275775488. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Brad R. Stair, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 878 |
|---|---|
| Services billed to Medicare | 2,095 |
| Different services or procedures | 59 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)649 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)399 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)147 services
- Heart muscle strain imaging (93356)109 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)99 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease55%
- Arthritis51%
- Heart failure42%
- Atrial fibrillation38%
Hospitals where Brad R. Stair works
Medicare's Facility Affiliation Data lists Brad R. Stair at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Ascension All Saints HospitalRacine, WI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 520096
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520051
- Ascension SE Wisconsin HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520136
- Ascension St Francis HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520078
- Orthopaedic Hospital of WisconsinGlendale, WI · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 520194
Practice locations
Addresses where Brad R. Stair is enrolled with Medicare (CMS data updated October 2, 2026).
- 13133 N Port Washington Rd, Suite 116Mequon, WI 53097 (262) 243‑3700
- 13950 W Capitol DrBrookfield, WI 53005 (414) 302‑5400
- 3803 Spring StMount Pleasant, WI 53405
Group practices
Medicare enrollment lists Brad R. Stair as a member of these groups (CMS data updated October 2, 2026).
- Ascension Medical Group-Southeast Wisconsin Inc545 clinicians in the group
- Columbia St Marys Hospital Milwaukee Inc306 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Other interventional cardiologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Other clinicians in Ascension Medical Group-Southeast Wisconsin Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275775488 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians