Quick answers
- Which hospitals does Mark Russell work at?
- Medicare's official clinician data lists Mark Russell at 4 hospitals: Barstow Community Hospital, Desert Valley Hospital, Providence St Mary Medical Center and Victor Valley Global Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Russell see patients?
- Medicare's clinician data lists 1 practice location in Barstow, CA. Call before your visit to confirm the address.
- What is Mark Russell's specialty?
- Medicare lists Cardiac Electrophysiology as the primary specialty.
- Does Mark Russell accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Russell 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 Mark Russell?
- (760) 256-0328, as listed in official Medicare / NPI Registry data.
- What is Mark Russell's NPI number?
- 1639137540. 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 Russell works
Medicare's Facility Affiliation Data lists Mark Russell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barstow Community HospitalBarstow, CA · Acute Care Hospital · CCN 050298
- Desert Valley HospitalVictorville, CA · Acute Care Hospital · CCN 050709
- Providence St Mary Medical CenterApple Valley, CA · Acute Care Hospital · CCN 050300
- Victor Valley Global Medical CenterVictorville, CA · Acute Care Hospital · CCN 050517
Practice locations
Addresses where Mark Russell is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 E Williams StBarstow, CA 92311 (760) 256‑0328
Group practices
Medicare enrollment lists Mark Russell as a member of this group (CMS data updated 2026-10-02).
- Ramin Ashtiani, MD a Professional Corporation5 clinicians in the group
Specialties
- Cardiac Electrophysiologyprimary
Find other Cardiac Electrophysiology doctors in California →
Other cardiac electrophysiologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639137540 |
| 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