Quick answers
- Which hospitals does Nilay Kumar work at?
- Medicare's official clinician data lists Nilay Kumar at 5 hospitals: Aurora Medical Center, Aurora Medical Center - Summit, Aurora Medical Center Sheboygan County, Aurora St Lukes Medical Center and West Allis Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nilay Kumar see patients?
- Medicare's clinician data lists 1 practice location in Milwaukee, WI. Call before your visit to confirm the address.
- What is Nilay Kumar's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Nilay Kumar accept Medicare assignment?
- Yes. Medicare's clinician data says Nilay Kumar 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 Nilay Kumar?
- (414) 649-3750, as listed in official Medicare / NPI Registry data.
- What is Nilay Kumar's NPI number?
- 1427123702. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nilay Kumar works
Medicare's Facility Affiliation Data lists Nilay Kumar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora Medical CenterGrafton, WI · Acute Care Hospital · CCN 520207
- Aurora Medical Center - SummitSummit, WI · Acute Care Hospital · CCN 520206
- Aurora Medical Center Sheboygan CountySheboygan, WI · Acute Care Hospital · CCN 520035
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · CCN 520138
- West Allis Memorial HospitalWest Allis, WI · Acute Care Hospital · CCN 520139
Practice locations
Addresses where Nilay Kumar is enrolled with Medicare (CMS data updated 2026-10-02).
- 2901 W Kinnickinnic River PkwyMilwaukee, WI 53215 (414) 649‑3750
Group practices
Medicare enrollment lists Nilay Kumar as a member of this group (CMS data updated 2026-10-02).
- Aurora Advanced Healthcare, Inc.1,124 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Milwaukee
Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427123702 |
| 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