Clinicians affiliated with Kaiser Foundation Hospital - Downey

Acute Care Hospitals · Voluntary non-profit - Other · 9333 Imperial Highway, Downey, CA 90242 · Los Angeles-Long Beach-Anaheim, CA · CCN 050139

Affiliation snapshotNovember 2, 2026CMS Doctors and Clinicians Facility Affiliation file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

255 clinicians affiliated with Kaiser Foundation Hospital - Downey are in the 2024 Medicare Part B data (393 listed in the affiliation file).

Each clinician's exact figures are in their Physician Report, from their page. View sample report · Already purchased? Open your report (earlier Local report and passes)

Affiliated clinicians by specialty, 2024

All specialties · Internal Medicine (66) · Hospitalist (30) · Emergency Medicine (28) · Diagnostic Radiology (26) · Family Practice (16) · Interventional Radiology (12) · Pathology (8) · Physician Assistant (8) · Cardiology (6) · Certified Registered Nurse Anesthetist (CRNA) (6) · General Surgery (6) · Podiatry (6) · Urology (5) · Pulmonary Disease (4) · Anesthesiology (3) · Hematology-Oncology (3) · Orthopedic Surgery (3) · Gastroenterology (2) · Nephrology (2) · Neurology (2) · Nurse Practitioner (2) · Psychiatry (2) · Allergy/ Immunology (1) · Critical Care (Intensivists) (1) · Hospice and Palliative Care (1) · Infectious Disease (1) · Interventional Cardiology (1) · Nuclear Medicine (1) · Sleep Medicine (1) · Undefined Physician type (1) · Vascular Surgery (1)

Undefined Physician type affiliated with Kaiser Foundation Hospital - Downey, 2024

Alphabetical by last name; 1.

NameCity
Peter S Abdel Sayed, MDAnaheim, CA

Affiliation comes from the CMS Doctors and Clinicians Facility Affiliation file, hospital rows only; name, address and type from the CMS Hospital General Information file. CMS does not publish an end-of-year archive of the affiliation file, so the current snapshot is applied to the latest data year. A clinician listed with several hospitals or groups appears on each of their pages. How hospital pages are built