Quick answers
- Which hospitals does Timothy R. Greiner work at?
- Medicare's official clinician data lists Timothy R. Greiner at 4 hospitals: CentraCare - St. Cloud Hospital, CentraCare Health - Monticello, Centracare- Rice Memorial Hospital and St Gabriels Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Timothy R. Greiner see patients?
- Medicare's clinician data lists 1 practice location in Bloomington, MN. Call before your visit to confirm the address.
- What is Timothy R. Greiner's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Timothy R. Greiner accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy R. Greiner 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 Timothy R. Greiner?
- (952) 835-9880, as listed in official Medicare / NPI Registry data.
- What is Timothy R. Greiner's NPI number?
- 1952805285. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Timothy R. Greiner works
Medicare's Facility Affiliation Data lists Timothy R. Greiner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CentraCare - St. Cloud HospitalSaint Cloud, MN · Acute Care Hospital · CCN 240036
- CentraCare Health - MonticelloMonticello, MN · Critical Access Hospital · CCN 241362
- Centracare- Rice Memorial HospitalWillmar, MN · Acute Care Hospital · CCN 240088
- St Gabriels HospitalLittle Falls, MN · Critical Access Hospital · CCN 241370
Practice locations
Addresses where Timothy R. Greiner is enrolled with Medicare (CMS data updated 2026-10-02).
- 4300 Marketpointe Dr, Suite 100Bloomington, MN 55435 (952) 835‑9880
Group practices
Medicare enrollment lists Timothy R. Greiner as a member of this group (CMS data updated 2026-10-02).
- Emergency Physicians Professional Association282 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Bloomington
Clinicians with the same Medicare primary specialty in Bloomington, MN — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952805285 |
| 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