Quick answers
- Which hospitals does Isaac Beshay work at?
- Medicare's official clinician data lists Isaac Beshay at 1 hospital: Hoag Memorial Hospital Presbyterian. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Isaac Beshay see patients?
- Medicare's clinician data lists 2 practice locations, including Costa Mesa, CA and Westminster, CA. Call before your visit to confirm the address.
- What is Isaac Beshay's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Isaac Beshay accept Medicare assignment?
- Yes. Medicare's clinician data says Isaac Beshay 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 Isaac Beshay?
- (949) 548-2273, as listed in official Medicare / NPI Registry data.
- What is Isaac Beshay's NPI number?
- 1962434241. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Isaac Beshay works
Medicare's Facility Affiliation Data lists Isaac Beshay 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
Practice locations
Addresses where Isaac Beshay is enrolled with Medicare (CMS data updated 2026-10-02).
- 2200 Harbor Blvd, Suite B210Costa Mesa, CA 92627 (949) 548‑2273
- 7631 Wyoming St, Suite 201Westminster, CA 92683 (714) 898‑0765
Group practices
Medicare enrollment lists Isaac Beshay as a member of this group (CMS data updated 2026-10-02).
- Family Choice Aco Inc55 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Costa Mesa
Clinicians with the same Medicare primary specialty in Costa Mesa, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962434241 |
| 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