Quick answers
- Which hospitals does Boris R. Larreta work at?
- Medicare's official clinician data lists Boris R. Larreta at 1 hospital: Providence Saint Joseph Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Boris R. Larreta see patients?
- Medicare's clinician data lists 4 practice locations, including Porter Ranch, CA and Burbank, CA. Call before your visit to confirm the address.
- What is Boris R. Larreta's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Boris R. Larreta accept Medicare assignment?
- Yes. Medicare's clinician data says Boris R. Larreta 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 Boris R. Larreta offer telehealth?
- Medicare's clinician data says Boris R. Larreta offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Boris R. Larreta?
- (818) 403-2400, as listed in official Medicare / NPI Registry data.
- What is Boris R. Larreta's NPI number?
- 1891888327. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Boris R. Larreta works
Medicare's Facility Affiliation Data lists Boris R. Larreta at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Saint Joseph Medical CenterBurbank, CA · Acute Care Hospital · CCN 050235
Practice locations
Addresses where Boris R. Larreta is enrolled with Medicare (CMS data updated 2026-10-02).
- 19950 Rinaldi StPorter Ranch, CA 91326 (818) 403‑2400
- 201 S Buena Vista St, Suite 100Burbank, CA 91505 (818) 848‑6404
- 501 S Buena Vista StBurbank, CA 91505 (818) 847‑6049
- 503 S Buena Vista St, Suite 101Burbank, CA 91505 (818) 869‑7630
Group practices
Medicare enrollment lists Boris R. Larreta as a member of this group (CMS data updated 2026-10-02).
- Providence Facey Medical Foundation385 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in Porter Ranch
Clinicians with the same Medicare primary specialty in Porter Ranch, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891888327 |
| 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