Quick answers
- Which hospitals does James Marchetti work at?
- Medicare's official clinician data lists James Marchetti at 2 hospitals: Hoag Memorial Hospital Presbyterian and Hoag Orthopedic Institute. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James Marchetti see patients?
- Medicare's clinician data lists 2 practice locations, including Irvine, CA and Newport Beach, CA. Call before your visit to confirm the address.
- What is James Marchetti's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does James Marchetti accept Medicare assignment?
- Yes. Medicare's clinician data says James Marchetti 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 James Marchetti?
- (949) 722-7038, as listed in official Medicare / NPI Registry data.
- What is James Marchetti's NPI number?
- 1912495318. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James Marchetti works
Medicare's Facility Affiliation Data lists James Marchetti 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
- Hoag Orthopedic InstituteIrvine, CA · Acute Care Hospital · CCN 050769
Practice locations
Addresses where James Marchetti is enrolled with Medicare (CMS data updated 2026-10-02).
- 16300 Sand Canyon Ave, Suite 400Irvine, CA 92618 (949) 722‑7038
- 22 Corporate Plaza DrNewport Beach, CA 92660 (949) 722‑7038
Group practices
Medicare enrollment lists James Marchetti as a member of this group (CMS data updated 2026-10-02).
- Orthopedic Institute of Newport Beach Limited Partnership28 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912495318 |
| 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