Quick answers
- Which hospitals does Ali K. Ashtiani work at?
- Medicare's official clinician data lists Ali K. Ashtiani at 4 hospitals: Hoag Memorial Hospital Presbyterian, Providence St. Joseph Hospital, Providence St. Jude Medical Center and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ali K. Ashtiani see patients?
- Medicare's clinician data lists 2 practice locations, including Irvine, CA and Santa Ana, CA. Call before your visit to confirm the address.
- What is Ali K. Ashtiani's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Ali K. Ashtiani accept Medicare assignment?
- Yes. Medicare's clinician data says Ali K. Ashtiani 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.
- Does Ali K. Ashtiani offer telehealth?
- Medicare's clinician data says Ali K. Ashtiani offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ali K. Ashtiani?
- (714) 753-2000, as listed in official Medicare / NPI Registry data.
- What is Ali K. Ashtiani's NPI number?
- 1295155588. 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 K. Ashtiani works
Medicare's Facility Affiliation Data lists Ali K. Ashtiani at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · CCN 050224
- Providence St. Joseph HospitalOrange, CA · Acute Care Hospital · CCN 050069
- Providence St. Jude Medical CenterFullerton, CA · Acute Care Hospital · CCN 050168
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
Practice locations
Addresses where Ali K. Ashtiani is enrolled with Medicare (CMS data updated 2026-10-02).
- 16300 Sand Canyon AveIrvine, CA 92618 (714) 753‑2000
- 700 N Tustin AveSanta Ana, CA 92705 (714) 245‑1444
Group practices
Medicare enrollment lists Ali K. Ashtiani as a member of this group (CMS data updated 2026-10-02).
- Cardiology Specialists of Orange County9 clinicians in the group
Specialties
Find other Interventional Cardiology doctors in California →
Other interventional cardiologists in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1295155588 |
| 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