Quick answers
- Does Aaron F. Sassoon accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron F. Sassoon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Aaron F. Sassoon's NPI number?
- 1962581967. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aaron F. Sassoon works
Medicare's Facility Affiliation Data lists Aaron F. Sassoon at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Children's Hospital of Orange CountyOrange, CA · Children's Hospital · Emergency services: not listed by Medicare · CCN 053304
Practice locations
Addresses where Aaron F. Sassoon is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Hoag DrNewport Beach, CA 92663 (949) 891‑1297
Group practices
Medicare enrollment lists Aaron F. Sassoon as a member of this group (CMS data updated October 2, 2026).
- Newport Harbor Pathology Medical Group Inc27 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Newport Beach
Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.
Other clinicians in Newport Harbor Pathology Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962581967 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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