Quick answers
- Which hospitals does Guy Mayeda work at?
- Medicare's official clinician data lists Guy Mayeda at 2 hospitals: PIH Health Good Samaritan Hospital and Torrance Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Guy Mayeda see patients?
- Medicare's clinician data lists 3 practice locations, including Los Angeles, CA, La Mirada, CA and Whittier, CA. Call before your visit to confirm the address.
- What is Guy Mayeda's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Guy Mayeda accept Medicare assignment?
- Yes. Medicare's clinician data says Guy Mayeda 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 Guy Mayeda offer telehealth?
- Medicare's clinician data says Guy Mayeda offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Guy Mayeda?
- (213) 977-2121, as listed in official Medicare / NPI Registry data.
- What is Guy Mayeda's NPI number?
- 1952395493. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Guy Mayeda works
Medicare's Facility Affiliation Data lists Guy Mayeda at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- PIH Health Good Samaritan HospitalLos Angeles, CA · Acute Care Hospital · CCN 050471
- Torrance Memorial Medical CenterTorrance, CA · Acute Care Hospital · CCN 050351
Practice locations
Addresses where Guy Mayeda is enrolled with Medicare (CMS data updated 2026-10-02).
- 1225 Wilshire BlvdLos Angeles, CA 90017 (213) 977‑2121
- 12675 La Mirada Blvd, Suite 201and401La Mirada, CA 90638 (562) 903‑7339
- 6557 Greenleaf AveWhittier, CA 90601
Group practices
Medicare enrollment lists Guy Mayeda as a member of this group (CMS data updated 2026-10-02).
- PIH Health Physicians622 clinicians in the group
Specialties
Find other Interventional Cardiology doctors in California →
Other interventional cardiologists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952395493 |
| 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