Quick answers
- Which hospitals does Demetrius Rizos work at?
- Medicare's official clinician data lists Demetrius Rizos at 3 hospitals: Holy Rosary Hospital, Intermountain Health St Vincent Regional Hospital and Uniontown Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Demetrius Rizos see patients?
- Medicare's clinician data lists 4 practice locations, including Billings, MT, Uniontown, PA and Clairton, PA. Call before your visit to confirm the address.
- What is Demetrius Rizos's specialty?
- Medicare lists Nephrology as the primary specialty, and also Hospitalist.
- Does Demetrius Rizos accept Medicare assignment?
- Yes. Medicare's clinician data says Demetrius Rizos 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 Demetrius Rizos?
- (406) 657-7000, as listed in official Medicare / NPI Registry data.
- What is Demetrius Rizos's NPI number?
- 1063491397. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Demetrius Rizos works
Medicare's Facility Affiliation Data lists Demetrius Rizos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Holy Rosary HospitalMiles City, MT · Critical Access Hospital · CCN 271347
- Intermountain Health St Vincent Regional HospitalBillings, MT · Acute Care Hospital · CCN 270049
- Uniontown HospitalUniontown, PA · Acute Care Hospital · CCN 390041
Practice locations
Addresses where Demetrius Rizos is enrolled with Medicare (CMS data updated 2026-10-02).
- 1233 N 30th StBillings, MT 59101 (406) 657‑7000
- 160 Wayland Smith Dr, Suite 102Uniontown, PA 15401 (724) 438‑3300
- 2900 12th Ave N, Suite 400eBillings, MT 59101 (406) 237‑5770
- 575 Coal Valley Rd, Suite 204Clairton, PA 15025 (412) 466‑2220
Group practices
Medicare enrollment lists Demetrius Rizos as a member of these groups (CMS data updated 2026-10-02).
- SCL Health Medical Group - Billings LLC297 clinicians in the group
- Cogent Healthcare of Montana P C79 clinicians in the group
- Pittsburgh Kidney Care LLC15 clinicians in the group
Specialties
- Nephrologyprimary
- Hospitalistalso
Other nephrologists in Montana
Clinicians with the same Medicare primary specialty in Montana — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Nova Southeastern College Of Osteo Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063491397 |
| 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