Quick answers
- Which hospitals does Simon Maltais work at?
- Medicare's official clinician data lists Simon Maltais at 5 hospitals: Benefis Hospitals Inc, Great Falls Clinic Hospital, Marshfield Medical Center - Weston, Northern Montana Hospital and St James Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Simon Maltais see patients?
- Medicare's clinician data lists 5 practice locations, including Marshfield, WI, Pueblo, CO and Great Falls, MT. Call before your visit to confirm the address.
- What is Simon Maltais's specialty?
- Medicare lists Cardiac Surgery as the primary specialty, and also Thoracic Surgery.
- Does Simon Maltais accept Medicare assignment?
- Yes. Medicare's clinician data says Simon Maltais 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.
- Does Simon Maltais offer telehealth?
- Medicare's clinician data says Simon Maltais offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Simon Maltais?
- (715) 387-5511, as listed in official Medicare / NPI Registry data.
- What is Simon Maltais's NPI number?
- 1457665911. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Simon Maltais works
Medicare's Facility Affiliation Data lists Simon Maltais at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Benefis Hospitals IncGreat Falls, MT · Acute Care Hospital · CCN 270012
- Great Falls Clinic HospitalGreat Falls, MT · Acute Care Hospital · CCN 270086
- Marshfield Medical Center - WestonWeston, WI · Acute Care Hospital · CCN 520202
- Northern Montana HospitalHavre, MT · Critical Access Hospital · CCN 271348
- St James HospitalButte, MT · Acute Care Hospital · CCN 270017
Practice locations
Addresses where Simon Maltais is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 N Oak AveMarshfield, WI 54449 (715) 387‑5511
- 1600 N Grand AvePueblo, CO 81003
- 3000 15th Ave SGreat Falls, MT 59405 (406) 454‑2171
- 3400 Ministry PkwyWeston, WI 54476 (715) 393‑1000
- 4404 Barranca Ln, Unit 101Castle Rock, CO 80104 (720) 733‑5260
Group practices
Medicare enrollment lists Simon Maltais as a member of these groups (CMS data updated 2026-10-02).
- Poudre Valley Medical Group LLC2,440 clinicians in the group
- MCHS Hospitals Inc1,197 clinicians in the group
- Great Falls Clinic LLC72 clinicians in the group
Specialties
- Cardiac Surgeryprimary
- Thoracic Surgeryalso
Other cardiac surgeons in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1457665911 |
| 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