Doctor profile · Federal record

Dr. Siamak Dardashti, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Pediatric Radiology Physician · Los Angeles, CA

  • NPI 1013942713
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1516 Cotner Ave
Los Angeles, CA 900253303
(310) 445-2951
fax (310) 479-1459

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 31, 2014
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #G80392
Medicaid (2)
CA #GR0106039 · CA #00G803920

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013942713. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
10,205
Distinct HCPCS
10
Medicare allowed
$264,127
HCPCS Description Services Patients Avg allowed
A9575 Injection, gadoterate meglumine, 0.1 ml 8,200 50 $0
73721 Mri scan of leg joint without contrast 652 434 $129
73221 Mri scan of arm joint without contrast 465 325 $135
72148 Mri scan of lower spinal canal without contrast 276 200 $133
73718 Mri scan of leg without contrast 153 104 $147
72141 Mri scan of upper spinal canal without contrast 135 98 $125
73700 Ct scan of leg without contrast 55 40 $90
73200 Ct scan of arm without contrast 51 34 $93
73218 Mri scan of arm without contrast 43 27 $158
70551 Mri scan of brain without contrast 39 29 $148

In context: peer comparison

Among 177 peers in Los Angeles Diagnostic Radiology Physician, average services per provider: 296. This provider delivers 34× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Siamak Dardashti's medical specialty?
Dr. Siamak Dardashti practices Diagnostic Radiology Physician in Los Angeles, CA.
Where does Dr. Siamak Dardashti practice?
Dr. Siamak Dardashti practices at 1516 Cotner Ave, Los Angeles, CA 900253303. Office phone: 3104452951.
What is Dr. Siamak Dardashti's NPI?
Dr. Siamak Dardashti's National Provider Identifier (NPI) is 1013942713, issued by NPPES.
Does Dr. Siamak Dardashti accept Medicare assignment?
Yes. Dr. Siamak Dardashti accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Siamak Dardashti commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadoterate meglumine, 0.1 ml (HCPCS A9575); Mri scan of leg joint without contrast (HCPCS 73721); Mri scan of arm joint without contrast (HCPCS 73221). Source: CMS Medicare Physician & Other Practitioners file.