Quick answers
- Which hospitals does Robert M. Wrenn work at?
- Medicare's official clinician data lists Robert M. Wrenn at 1 hospital: Olmsted Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert M. Wrenn see patients?
- Medicare's clinician data lists 2 practice locations, including Rochester, MN. Call before your visit to confirm the address.
- What is Robert M. Wrenn's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Robert M. Wrenn accept Medicare assignment?
- Yes. Medicare's clinician data says Robert M. Wrenn 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 Robert M. Wrenn?
- (507) 285-8485, as listed in official Medicare / NPI Registry data.
- What is Robert M. Wrenn's NPI number?
- 1295783835. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert M. Wrenn works
Medicare's Facility Affiliation Data lists Robert M. Wrenn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Olmsted Medical CenterRochester, MN · Acute Care Hospital · CCN 240006
Practice locations
Addresses where Robert M. Wrenn is enrolled with Medicare (CMS data updated 2026-10-02).
- 1650 4th St SERochester, MN 55904 (507) 285‑8485
- 210 9th St SERochester, MN 55904 (507) 288‑3443
Group practices
Medicare enrollment lists Robert M. Wrenn as a member of this group (CMS data updated 2026-10-02).
- Olmsted Medical Center336 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 | University Of Wisconsin School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295783835 |
| 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