Quick answers
- Which hospitals does Roxana E. Calmac work at?
- Medicare's official clinician data lists Roxana E. Calmac at 4 hospitals: Sierra Nevada Memorial Hospital, Sutter Auburn Faith Hospital, Sutter Medical Center, Sacramento and Sutter Roseville Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Roxana E. Calmac see patients?
- Medicare's clinician data lists 2 practice locations, including Roseville, CA and Sacramento, CA. Call before your visit to confirm the address.
- What is Roxana E. Calmac's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Roxana E. Calmac accept Medicare assignment?
- Yes. Medicare's clinician data says Roxana E. Calmac 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 Roxana E. Calmac?
- (916) 454-6868, as listed in official Medicare / NPI Registry data.
- What is Roxana E. Calmac's NPI number?
- 1306866900. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Roxana E. Calmac works
Medicare's Facility Affiliation Data lists Roxana E. Calmac at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sierra Nevada Memorial HospitalGrass Valley, CA · Acute Care Hospital · CCN 050150
- Sutter Auburn Faith HospitalAuburn, CA · Acute Care Hospital · CCN 050498
- Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · CCN 050108
- Sutter Roseville Medical CenterRoseville, CA · Acute Care Hospital · CCN 050309
Practice locations
Addresses where Roxana E. Calmac is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Medical Plaza DrRoseville, CA 95661 (916) 454‑6868
- 2800 L StSacramento, CA 95816
Group practices
Medicare enrollment lists Roxana E. Calmac as a member of this group (CMS data updated 2026-10-02).
- Sutter Valley Medical Foundation2,500 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Roseville
Clinicians with the same Medicare primary specialty in Roseville, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306866900 |
| 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