Quick answers
- Which hospitals does Ali Saadi work at?
- Medicare's official clinician data lists Ali Saadi at 3 hospitals: Kaiser Foundation Hospital - Antioch, Kaiser Foundation Hospital - Downey and Kaiser Foundation Hospital - Walnut Creek. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ali Saadi see patients?
- Medicare's clinician data lists 5 practice locations, including Santa Rosa, CA, Downey, CA and Bellflower, CA. Call before your visit to confirm the address.
- What is Ali Saadi's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does Ali Saadi accept Medicare assignment?
- Yes. Medicare's clinician data says Ali Saadi 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 Ali Saadi?
- (707) 393-4000, as listed in official Medicare / NPI Registry data.
- What is Ali Saadi's NPI number?
- 1851787428. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ali Saadi works
Medicare's Facility Affiliation Data lists Ali Saadi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaiser Foundation Hospital - AntiochAntioch, CA · Acute Care Hospital · CCN 050760
- Kaiser Foundation Hospital - DowneyDowney, CA · Acute Care Hospital · CCN 050139
- Kaiser Foundation Hospital - Walnut CreekWalnut Creek, CA · Acute Care Hospital · CCN 050072
Practice locations
Addresses where Ali Saadi is enrolled with Medicare (CMS data updated 2026-10-02).
- 401 Bicentennial WaySanta Rosa, CA 95403 (707) 393‑4000
- 9333 Imperial HwyDowney, CA 90242 (800) 923‑4040
- 9333 Rosecrans AveBellflower, CA 90706 (562) 461‑3000
- 9353 Imperial HwyDowney, CA 90242 (562) 657‑9000
- 9449 Imperial HwyDowney, CA 90242 (562) 461‑3000
Group practices
Medicare enrollment lists Ali Saadi as a member of these groups (CMS data updated 2026-10-02).
- Southern California Permanente Medical Group11,293 clinicians in the group
- Permanente Medical Group Inc10,996 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Santa Rosa
Clinicians with the same Medicare primary specialty in Santa Rosa, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851787428 |
| 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