Quick answers
- Which hospitals does Sinan Khayyat work at?
- Medicare's official clinician data lists Sinan Khayyat at 3 hospitals: Grossmont Hospital, Newman Regional Health and Sharp Chula Vista Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sinan Khayyat see patients?
- Medicare's clinician data lists 3 practice locations, including El Cajon, CA, National City, CA and La Mesa, CA. Call before your visit to confirm the address.
- What is Sinan Khayyat's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Sinan Khayyat accept Medicare assignment?
- Medicare's clinician data says Sinan Khayyat may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Sinan Khayyat offer telehealth?
- Medicare's clinician data says Sinan Khayyat offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sinan Khayyat?
- (619) 438-4117, as listed in official Medicare / NPI Registry data.
- What is Sinan Khayyat's NPI number?
- 1578092318. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sinan Khayyat works
Medicare's Facility Affiliation Data lists Sinan Khayyat at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grossmont HospitalLa Mesa, CA · Acute Care Hospital · CCN 050026
- Newman Regional HealthEmporia, KS · Critical Access Hospital · CCN 171384
- Sharp Chula Vista Medical CenterChula Vista, CA · Acute Care Hospital · CCN 050222
Practice locations
Addresses where Sinan Khayyat is enrolled with Medicare (CMS data updated 2026-10-02).
- 3356 Rancho Diego CirEl Cajon, CA 92019
- 541 S V AveNational City, CA 91950 (619) 438‑4117
- 5555 Grossmont Ctr DrLa Mesa, CA 91942 (619) 461‑1920
Group practices
Medicare enrollment lists Sinan Khayyat as a member of these groups (CMS data updated 2026-10-02).
- Emergency and Acute Care Medical Corporation422 clinicians in the group
- San Diego Critical Care Medical Group Inc78 clinicians in the group
- Vigilias LLC51 clinicians in the group
- San Diego Rehab Specialists Inc3 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in El Cajon
Clinicians with the same Medicare primary specialty in El Cajon, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578092318 |
| 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