Quick answers
- Which hospitals does Roofan Alsayegh work at?
- Medicare's official clinician data lists Roofan Alsayegh at 5 hospitals: Adventist Health Simi Valley, Emanate Health Inter-Community Hospital, Northridge Hospital Medical Center, St Johns Regional Medical Center and UCLA West Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Roofan Alsayegh see patients?
- Medicare's clinician data lists 4 practice locations, including Tehachapi, CA, Apple Valley, CA and Simi Valley, CA. Call before your visit to confirm the address.
- What is Roofan Alsayegh's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Roofan Alsayegh accept Medicare assignment?
- Yes. Medicare's clinician data says Roofan Alsayegh 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 Roofan Alsayegh?
- (661) 823-3000, as listed in official Medicare / NPI Registry data.
- What is Roofan Alsayegh's NPI number?
- 1477841641. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Roofan Alsayegh works
Medicare's Facility Affiliation Data lists Roofan Alsayegh at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Simi ValleySimi Valley, CA · Acute Care Hospital · CCN 050236
- Emanate Health Inter-Community HospitalCovina, CA · Acute Care Hospital · CCN 050382
- Northridge Hospital Medical CenterNorthridge, CA · Acute Care Hospital · CCN 050116
- St Johns Regional Medical CenterOxnard, CA · Acute Care Hospital · CCN 050082
- UCLA West Valley Medical CenterWest Hills, CA · Acute Care Hospital · CCN 050481
Practice locations
Addresses where Roofan Alsayegh is enrolled with Medicare (CMS data updated 2026-10-02).
- 1100 Magellan DrTehachapi, CA 93561 (661) 823‑3000
- 18300 US Hwy 18Apple Valley, CA 92307 (760) 242‑2311
- 2975 Sycamore DrSimi Valley, CA 93065 (805) 955‑6000
- 7230 Medical Ctr Dr, Suite 100West Hills, CA 91307 (818) 697‑4488
Group practices
Medicare enrollment lists Roofan Alsayegh as a member of these groups (CMS data updated 2026-10-02).
- Galen Inpatient Physicians PC1,077 clinicians in the group
- Inpatient Specialists of California PC385 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Tehachapi
Clinicians with the same Medicare primary specialty in Tehachapi, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477841641 |
| 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