Quick answers
- Does Louie Coulis accept Medicare assignment?
- Yes. Medicare's clinician data says Louie Coulis 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 Louie Coulis see?
- In 2024, CMS data shows 1,035 Original Medicare patients and 4,080 services for Louie Coulis. This counts Original Medicare only and measures volume, not quality.
- What is Louie Coulis's NPI number?
- 1023070364. 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 Louie Coulis, 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 | 1,035 |
|---|---|
| Services billed to Medicare | 4,080 |
| Different services or procedures | 52 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)1,039 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)808 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)356 services
- Heart muscle strain imaging (93356)255 services
- Anticoagulant management of patient taking warfarin (93793)211 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 disease47%
- Arthritis44%
- Chronic kidney disease36%
- Atrial fibrillation36%
Hospitals where Louie Coulis works
Medicare's Facility Affiliation Data lists Louie Coulis 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.
- Aurora Medical CenterGrafton, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520207
- Aurora Medical Center Sheboygan CountySheboygan, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520035
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520138
- Holy Family MemorialManitowoc, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520107
Practice locations
Addresses where Louie Coulis is enrolled with Medicare (CMS data updated October 2, 2026).
- 1414 N Taylor Dr, Suite 100Sheboygan, WI 53081 (920) 458‑9800
Group practices
Medicare enrollment lists Louie Coulis as a member of this group (CMS data updated October 2, 2026).
- Aurora Medical Group, Inc.3,813 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Wisconsin →
Other cardiologists in Sheboygan
Clinicians with the same Medicare primary specialty in Sheboygan, WI — not a recommendation.
Other clinicians in Aurora Medical Group, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana Medical College, School Of Medicine Of Purdue University |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023070364 |
| 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