Quick answers
- Which hospitals does Katherine Warner work at?
- Medicare's official clinician data lists Katherine Warner at 1 hospital: McLaren Bay Region. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Katherine Warner see patients?
- Medicare's clinician data lists 7 practice locations, including Bay City, MI, West Branch, MI and Clarkston, MI. Call before your visit to confirm the address.
- What is Katherine Warner's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Katherine Warner accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine Warner 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 Katherine Warner?
- (989) 393-2777, as listed in official Medicare / NPI Registry data.
- What is Katherine Warner's NPI number?
- 1063040269. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katherine Warner works
Medicare's Facility Affiliation Data lists Katherine Warner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- McLaren Bay RegionBay City, MI · Acute Care Hospital · CCN 230041
Practice locations
Addresses where Katherine Warner is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1900 Columbus Ave, Bay RegionalBay City, MI 48708
- 2110 S MWest Branch, MI 48661
- 4 Columbus Ave, Suite 160Bay City, MI 48708 (989) 393‑2777
- 445 S Valley StWest Branch, MI 48661 (989) 345‑3600
- 611 Court StWest Branch, MI 48661 (989) 345‑7000
Group practices
Medicare enrollment lists Katherine Warner as a member of these groups (CMS data updated 2026-10-02).
- McLaren Central Michigan182 clinicians in the group
- McLaren Bay Region113 clinicians in the group
- Springfield Urgent Care PLLC25 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Bay City
Clinicians with the same Medicare primary specialty in Bay City, MI — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063040269 |
| 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