Quick answers
- Which hospitals does Ryan S. Roleson work at?
- Medicare's official clinician data lists Ryan S. Roleson at 4 hospitals: Barstow Community Hospital, Loma Linda University Medical Center, Northern Inyo Hospital and San Gorgonio Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan S. Roleson see patients?
- Medicare's clinician data lists 4 practice locations, including Loma Linda, CA, Bishop, CA and Banning, CA. Call before your visit to confirm the address.
- What is Ryan S. Roleson's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Ryan S. Roleson accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan S. Roleson 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 Ryan S. Roleson?
- (760) 873-5811, as listed in official Medicare / NPI Registry data.
- What is Ryan S. Roleson's NPI number?
- 1003057886. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan S. Roleson works
Medicare's Facility Affiliation Data lists Ryan S. Roleson 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
- Loma Linda University Medical CenterLoma Linda, CA · Acute Care Hospital · CCN 050327
- Northern Inyo HospitalBishop, CA · Critical Access Hospital · CCN 051324
- San Gorgonio Memorial HospitalBanning, CA · Acute Care Hospital · CCN 050054
Practice locations
Addresses where Ryan S. Roleson is enrolled with Medicare (CMS data updated 2026-10-02).
- 11370 Anderson StLoma Linda, CA 92354
- 150 Pioneer LnBishop, CA 93514 (760) 873‑5811
- 600 N Highland Springs AveBanning, CA 92220 (833) 443‑6287
- 820 E Mountain View StBarstow, CA 92311 (858) 863‑7382
Group practices
Medicare enrollment lists Ryan S. Roleson as a member of these groups (CMS data updated 2026-10-02).
- Faculty Physicians and Surgeons of Llusm1,315 clinicians in the group
- Northern Inyo Healthcare District108 clinicians in the group
- MD Karan Singh Professional Corp30 clinicians in the group
- Singh MD a Professional Medical19 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Loma Linda
Clinicians with the same Medicare primary specialty in Loma Linda, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003057886 |
| 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