Quick answers
- Where does Mary Ellen Warner see patients?
- Medicare's clinician data lists 2 practice locations, including Rochester, MN. Call before your visit to confirm the address.
- What is Mary Ellen Warner's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Mary Ellen Warner accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Ellen 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 Mary Ellen Warner?
- (507) 255-5123, as listed in official Medicare / NPI Registry data.
- What is Mary Ellen Warner's NPI number?
- 1003895087. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mary Ellen Warner is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 1st St SWRochester, MN 55905
- 201 W Ctr StRochester, MN 55902 (507) 255‑5123
Group practices
Medicare enrollment lists Mary Ellen Warner as a member of this group (CMS data updated 2026-10-02).
- Mayo Clinic4,956 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Rochester
Clinicians with the same Medicare primary specialty in Rochester, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Ohio |
| Graduation year | 1979 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003895087 |
| 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
- 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