Quick answers
- Which hospitals does Yasser Omar work at?
- Medicare's official clinician data lists Yasser Omar at 1 hospital: Grossmont Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Yasser Omar see patients?
- Medicare's clinician data lists 3 practice locations, including Porterville, CA, La Mesa, CA and Chula Vista, CA. Call before your visit to confirm the address.
- What is Yasser Omar's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty, and also Internal Medicine.
- Does Yasser Omar accept Medicare assignment?
- Yes. Medicare's clinician data says Yasser Omar 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 Yasser Omar?
- (559) 784-1110, as listed in official Medicare / NPI Registry data.
- What is Yasser Omar's NPI number?
- 1649617572. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Yasser Omar works
Medicare's Facility Affiliation Data lists Yasser Omar 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
Practice locations
Addresses where Yasser Omar is enrolled with Medicare (CMS data updated 2026-10-02).
- 465 W Putnam AvePorterville, CA 93257 (559) 784‑1110
- 5555 Grossmont Ctr DrLa Mesa, CA 91942 (619) 461‑1920
- 751 Med Ctr CtChula Vista, CA 91911 (619) 461‑1920
Group practices
Medicare enrollment lists Yasser Omar 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
- Central Valley Critical Care Medicine - A Professional Corporat33 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in California →
Other critical care doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649617572 |
| 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