Quick answers
- Which hospitals does Ali Atabaki work at?
- Medicare's official clinician data lists Ali Atabaki at 1 hospital: Northridge Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ali Atabaki see patients?
- Medicare's clinician data lists 1 practice location in Northridge, CA. Call before your visit to confirm the address.
- What is Ali Atabaki's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty, and also Pulmonary Disease.
- Does Ali Atabaki accept Medicare assignment?
- Yes. Medicare's clinician data says Ali Atabaki 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 Atabaki?
- (818) 885-8500, as listed in official Medicare / NPI Registry data.
- What is Ali Atabaki's NPI number?
- 1619105426. 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 Atabaki works
Medicare's Facility Affiliation Data lists Ali Atabaki at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northridge Hospital Medical CenterNorthridge, CA · Acute Care Hospital · CCN 050116
Practice locations
Addresses where Ali Atabaki is enrolled with Medicare (CMS data updated 2026-10-02).
- 18300 Roscoe BlvdNorthridge, CA 91325 (818) 885‑8500
Group practices
Medicare enrollment lists Ali Atabaki as a member of these groups (CMS data updated 2026-10-02).
- Compassionate Critical Care Group, Inc.14 clinicians in the group
- Vital Lungs Associates of Southern California Inc3 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 | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619105426 |
| 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