Quick answers
- Which hospitals does Mason H. Weiss work at?
- Medicare's official clinician data lists Mason H. Weiss at 2 hospitals: Centinela Hospital Medical Center and Torrance Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mason H. Weiss see patients?
- Medicare's clinician data lists 2 practice locations, including Inglewood, CA. Call before your visit to confirm the address.
- What is Mason H. Weiss's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology) and Internal Medicine.
- Does Mason H. Weiss accept Medicare assignment?
- Yes. Medicare's clinician data says Mason H. Weiss 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 Mason H. Weiss?
- (310) 672-3900, as listed in official Medicare / NPI Registry data.
- What is Mason H. Weiss's NPI number?
- 1447256565. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mason H. Weiss works
Medicare's Facility Affiliation Data lists Mason H. Weiss at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Centinela Hospital Medical CenterInglewood, CA · Acute Care Hospital · CCN 050739
- Torrance Memorial Medical CenterTorrance, CA · Acute Care Hospital · CCN 050351
Practice locations
Addresses where Mason H. Weiss is enrolled with Medicare (CMS data updated 2026-10-02).
- 501 E Hardy StInglewood, CA 90301
- 501 E Hardy St, Suite 200Inglewood, CA 90301 (310) 672‑3900
Group practices
Medicare enrollment lists Mason H. Weiss as a member of this group (CMS data updated 2026-10-02).
- Apex Cardiology Consultants8 clinicians in the group
Specialties
Find other Interventional Cardiology doctors in California →
Other interventional cardiologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1975 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447256565 |
| 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