Quick answers
- Which hospitals does Mark Y. Nunag work at?
- Medicare's official clinician data lists Mark Y. Nunag at 5 hospitals: Ascension Columbia St Marys Hospital Milwaukee, Aurora Medical Center, Aurora Medical Center Washington County, Aurora St Lukes Medical Center and St Josephs Community Hospital West Bend. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Y. Nunag see patients?
- Medicare's clinician data lists 2 practice locations, including Milwaukee, WI and Menomonee Falls, WI. Call before your visit to confirm the address.
- What is Mark Y. Nunag's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Mark Y. Nunag accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Y. Nunag 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 Mark Y. Nunag offer telehealth?
- Medicare's clinician data says Mark Y. Nunag offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark Y. Nunag?
- (414) 393-9810, as listed in official Medicare / NPI Registry data.
- What is Mark Y. Nunag's NPI number?
- 1104095017. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Y. Nunag works
Medicare's Facility Affiliation Data lists Mark Y. Nunag 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
- Aurora Medical CenterGrafton, WI · Acute Care Hospital · CCN 520207
- Aurora Medical Center Washington CountyHartford, WI · Acute Care Hospital · CCN 520038
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · CCN 520138
- St Josephs Community Hospital West BendWest Bend, WI · Acute Care Hospital · CCN 520063
Practice locations
Addresses where Mark Y. Nunag is enrolled with Medicare (CMS data updated 2026-10-02).
- 7793 W Appleton AveMilwaukee, WI 53222 (414) 393‑9810
- N84 W16889 Menomonee AveMenomonee Falls, WI 53051 (262) 251‑7500
Group practices
Medicare enrollment lists Mark Y. Nunag as a member of these groups (CMS data updated 2026-10-02).
- Aurora Advanced Healthcare, Inc.1,124 clinicians in the group
- Midwest Nephrology Associates SC30 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Milwaukee
Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1104095017 |
| 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