Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Siamak Dardashti, MD

Individual provider Pediatric Radiology Physician · NPI 1013942713

Siamak Dardashti, MD practises Diagnostic Radiology in Los Angeles, California. Qualified in 1993, 33 years ago. Practices with Smi Imaging LLC, a 376-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
33
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1516 Cotner Ave
Los Angeles, CA 90025-3303 Not confirmed with CMS for 12 years — call before visiting
Phone: (310) 445-2951
Fax: (310) 479-1459
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence G80392 (CA)
Pediatric Radiology Physician Taxonomy 2085P0229X · Licence G80392 (CA)

Record details

NPI number1013942713
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2006
Last updated in NPPESJanuary 31, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Smi Imaging Llc — 376 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations12 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients1,075
Services billed 2,017 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Smi Imaging LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 376 clinicians in the practice; 12 are shown here.

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