Quick answers
- Does Siamak Dardashti accept Medicare assignment?
- Yes. Medicare's clinician data says Siamak Dardashti 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 Siamak Dardashti see?
- In 2024, CMS data shows 1,075 Original Medicare patients and 2,017 services for Siamak Dardashti. This counts Original Medicare only and measures volume, not quality.
- What is Siamak Dardashti's NPI number?
- 1013942713. 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 Siamak Dardashti, 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 | 1,075 |
|---|---|
| Services billed to Medicare | 2,017 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Mri scan of leg joint without contrast (73721)553 services
- Mri scan of arm joint without contrast (73221)325 services
- Mri scan of leg without contrast (73718)131 services
- Ct scan of leg without contrast (73700)46 services
- Mri scan of arm without contrast (73218)34 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 cholesterol75%
- Arthritis75%
- High blood pressure63%
- Ischemic heart disease24%
- Diabetes23%
- Anxiety21%
Practice locations
Addresses where Siamak Dardashti is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.
- 10102 Beverly DrHuntington Beach, CA 92646 (480) 306‑6949
- 10767 Riverside DrNorth Hollywood, CA 91602 (818) 301‑6700
- 155 N San Vicente Blvd, Simonmed Imaging San VicenteBeverly Hills, CA 90211 (323) 433‑7800
- 24 Pacific GrvIrvine, CA 92602 (480) 306‑6949
- 24022 Calle De La Plata, Suite 100Laguna Hills, CA 92653 (949) 330‑8996
Group practices
Medicare enrollment lists Siamak Dardashti as a member of these groups (CMS data updated October 2, 2026).
- Smi Imaging LLC384 clinicians in the group
- Health Diagnostics of California a Professional Corporation183 clinicians in the group
- Prohealth Advanced Imaging Medical Group Inc13 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Huntington Beach
Clinicians with the same Medicare primary specialty in Huntington Beach, 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 |
|---|---|
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013942713 |
| 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