Quick answers
- Which hospitals does Michelle M. Mackay work at?
- Medicare's official clinician data lists Michelle M. Mackay at 3 hospitals: SSM Health St Clare Hospital - Baraboo, SSM Health St Mary's Hospital - Janesville and SSM Health St Mary's Hospital - Madison. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michelle M. Mackay see patients?
- Medicare's clinician data lists 1 practice location in Madison, WI. Call before your visit to confirm the address.
- What is Michelle M. Mackay's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Michelle M. Mackay accept Medicare assignment?
- Yes. Medicare's clinician data says Michelle M. Mackay 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.
- Does Michelle M. Mackay offer telehealth?
- Medicare's clinician data says Michelle M. Mackay offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michelle M. Mackay?
- (608) 251-6868, as listed in official Medicare / NPI Registry data.
- What is Michelle M. Mackay's NPI number?
- 1013179928. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michelle M. Mackay works
Medicare's Facility Affiliation Data lists Michelle M. Mackay at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- SSM Health St Clare Hospital - BarabooBaraboo, WI · Acute Care Hospital · CCN 520057
- SSM Health St Mary's Hospital - JanesvilleJanesville, WI · Acute Care Hospital · CCN 520208
- SSM Health St Mary's Hospital - MadisonMadison, WI · Acute Care Hospital · CCN 520083
Practice locations
Addresses where Michelle M. Mackay is enrolled with Medicare (CMS data updated 2026-10-02).
- 1104 John Nolen Dr, Suite 1Madison, WI 53713 (608) 251‑6868
Group practices
Medicare enrollment lists Michelle M. Mackay as a member of this group (CMS data updated 2026-10-02).
- Shared Magnetic Resonance Imaging Facility Inc10 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Madison
Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1013179928 |
| 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