Quick answers
- Which hospitals does Mark C. Sievert work at?
- Medicare's official clinician data lists Mark C. Sievert at 5 hospitals: Banner Churchill Community Hospital, Carson Tahoe Regional Medical Center, Northern Nevada Medical Center, Renown Regional Medical Center and Saint Mary's Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark C. Sievert see patients?
- Medicare's clinician data lists 2 practice locations, including Reno, NV and Fallon, NV. Call before your visit to confirm the address.
- What is Mark C. Sievert's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Mark C. Sievert accept Medicare assignment?
- Yes. Medicare's clinician data says Mark C. Sievert 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 Mark C. Sievert offer telehealth?
- Medicare's clinician data says Mark C. Sievert offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark C. Sievert?
- (775) 322-4550, as listed in official Medicare / NPI Registry data.
- What is Mark C. Sievert's NPI number?
- 1720321912. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark C. Sievert works
Medicare's Facility Affiliation Data lists Mark C. Sievert at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Banner Churchill Community HospitalFallon, NV · Critical Access Hospital · CCN 291313
- Carson Tahoe Regional Medical CenterCarson City, NV · Acute Care Hospital · CCN 290019
- Northern Nevada Medical CenterSparks, NV · Acute Care Hospital · CCN 290032
- Renown Regional Medical CenterReno, NV · Acute Care Hospital · CCN 290001
- Saint Mary's Regional Medical CenterReno, NV · Acute Care Hospital · CCN 290009
Practice locations
Addresses where Mark C. Sievert is enrolled with Medicare (CMS data updated 2026-10-02).
- 5437 Kietzke LnReno, NV 89511 (775) 322‑4550
- 801 E Williams AveFallon, NV 89406 (775) 322‑4550
Group practices
Medicare enrollment lists Mark C. Sievert as a member of this group (CMS data updated 2026-10-02).
- Oneill Clark Narvarte and Vicks a Professional Corporation24 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Reno
Clinicians with the same Medicare primary specialty in Reno, NV — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nevada School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1720321912 |
| 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