Quick answers
- Does Joseph J. Zechlinski accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph J. Zechlinski 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 Joseph J. Zechlinski see?
- In 2024, CMS data shows 1,534 Original Medicare patients and 2,529 services for Joseph J. Zechlinski. This counts Original Medicare only and measures volume, not quality.
- What is Joseph J. Zechlinski's NPI number?
- 1447575402. 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 Joseph J. Zechlinski, 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 | 1,534 |
|---|---|
| Services billed to Medicare | 2,529 |
| Different services or procedures | 191 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- X-ray of chest, 2 views (71046)507 services
- X-ray of chest, 1 view (71045)316 services
- X-ray of shoulder, minimum of 2 views (73030)83 services
- Limited ultrasound scan of abdomen (76705)57 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)57 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%
- Arthritis56%
- Ischemic heart disease41%
- Diabetes35%
- Chronic kidney disease32%
Hospitals where Joseph J. Zechlinski works
Medicare's Facility Affiliation Data lists Joseph J. Zechlinski 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
- Froedtert Memorial Lutheran HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520177
Practice locations
Addresses where Joseph J. Zechlinski is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 22; the Medicare profile lists all.
- 10180 Washington AveMount Pleasant, WI 53177 (414) 973‑7830
- 10950 W Capitol DrWauwatosa, WI 53222 (414) 464‑4460
- 12831 N Port Washington RdMequon, WI 53097 (414) 973‑7844
- 13111 N Port Washington RdMequon, WI 53097 (262) 243‑7300
- 13950 W Capitol DrBrookfield, WI 53005 (414) 302‑5400
Group practices
Medicare enrollment lists Joseph J. Zechlinski as a member of this group (CMS data updated October 2, 2026).
- Premier Radiology Wisconsin LLC106 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Mount Pleasant
Clinicians with the same Medicare primary specialty in Mount Pleasant, WI — not a recommendation.
Other clinicians in Premier Radiology Wisconsin LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447575402 |
| 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