Quick answers
- Which hospitals does Mary M. Trites work at?
- Medicare's official clinician data lists Mary M. Trites at 1 hospital: United Hospital District. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary M. Trites see patients?
- Medicare's clinician data lists 1 practice location in Crystal, MN. Call before your visit to confirm the address.
- What is Mary M. Trites's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mary M. Trites accept Medicare assignment?
- Medicare's clinician data says Mary M. Trites may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Mary M. Trites's NPI number?
- 1912906017. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary M. Trites works
Medicare's Facility Affiliation Data lists Mary M. Trites at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- United Hospital DistrictBlue Earth, MN · Critical Access Hospital · CCN 241369
Practice locations
Addresses where Mary M. Trites is enrolled with Medicare (CMS data updated 2026-10-02).
- 3501 Douglas N DrCrystal, MN 55422
Specialties
- Family Practiceprimary
Other family doctors in Crystal
Clinicians with the same Medicare primary specialty in Crystal, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 1983 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1912906017 |
| 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