Quick answers
- Does Omar S. Arafat accept Medicare assignment?
- Yes. Medicare's clinician data says Omar S. Arafat 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.
- How many Medicare patients does Omar S. Arafat see?
- In 2024, CMS data shows 2,854 Original Medicare patients and 18,123 services for Omar S. Arafat. This counts Original Medicare only and measures volume, not quality.
- What is Omar S. Arafat's NPI number?
- 1649581679. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Omar S. Arafat, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 2,854 |
|---|---|
| Services billed to Medicare | 18,123 |
| Different services or procedures | 101 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, gadoterate meglumine, 0.1 ml (A9575)9,200 services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)5,607 services
- Mri scan of abdomen before and after contrast (74183)396 services
- Complete ultrasound scan behind abdominal cavity (76770)353 services
- Complete ultrasound scan of abdomen (76700)327 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes36%
- Chronic kidney disease32%
- Ischemic heart disease30%
Practice locations
Addresses where Omar S. Arafat is enrolled with Medicare (CMS data updated October 2, 2026).
- 15775 Laguna Canyon Rd, Suite 140Irvine, CA 92618 (949) 522‑8120
- 24 Pacific GrvIrvine, CA 92602 (480) 306‑6949
- 30088 Avenida TranquilaRancho Palos Verdes, CA 90275 (480) 306‑6949
- 345 Saxony Rd, Suite 106Encinitas, CA 92024 (760) 436‑4155
- 8370 Wilshire Blvd, 110 Simonmed Imaging Beverly Hills Stand UpBeverly Hills, CA 90211 (323) 966‑0000
Group practices
Medicare enrollment lists Omar S. Arafat as a member of these groups (CMS data updated October 2, 2026).
- Smi Imaging LLC384 clinicians in the group
- Simonmed Imaging Florida LLC317 clinicians in the group
- Health Diagnostics of California a Professional Corporation183 clinicians in the group
- Howard Simon MD PLLC60 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Other clinicians in Smi Imaging LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649581679 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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