Quick answers
- Which hospitals does Michael J. Knabel work at?
- Medicare's official clinician data lists Michael J. Knabel at 1 hospital: Ascension Columbia St Marys Hospital Milwaukee. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael J. Knabel see patients?
- Medicare's clinician data lists 3 practice locations, including Mequon, WI, West Allis, WI and Milwaukee, WI. Call before your visit to confirm the address.
- What is Michael J. Knabel's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Michael J. Knabel accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Knabel accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Michael J. Knabel?
- (262) 643-1300, as listed in official Medicare / NPI Registry data.
- What is Michael J. Knabel's NPI number?
- 1295231769. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael J. Knabel works
Medicare's Facility Affiliation Data lists Michael J. Knabel at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · CCN 520051
Practice locations
Addresses where Michael J. Knabel is enrolled with Medicare (CMS data updated 2026-10-02).
- 12831 N Port Washington RdMequon, WI 53097 (262) 643‑1300
- 2323 S 102nd StWest Allis, WI 53227 (414) 541‑9900
- 2350 N Lake Dr, Suite 300Milwaukee, WI 53211 (414) 298‑7100
Group practices
Medicare enrollment lists Michael J. Knabel as a member of these groups (CMS data updated 2026-10-02).
- Columbia St Marys Hospital Milwaukee Inc306 clinicians in the group
- Madison Medical Affiliates Inc86 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Mequon
Clinicians with the same Medicare primary specialty in Mequon, WI — not a recommendation.
Clinician information
| Medical school | Medical College Of Wisconsin |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295231769 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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