SIAMAK DARDASHTI MD
NPI 1013942713
Radiology - Diagnostic Radiology in Los Angeles, CA
About Siamak Dardashti Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIAMAK DARDASHTI MD (NPI 1013942713) is an individual diagnostic radiology provider in Los Angeles, California, licensed in California (G80392) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 24
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Siamak Dardashti Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Siamak Dardashti reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90025
- Reassigned Medicare billing, California enrollment
- 311 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Encino, CA 91436
- Reassigned Medicare billing, California enrollment
- 329 clinicians in this Medicare group
North Hollywood, CA 91602
- Reassigned Medicare billing, California enrollment
- 22 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 116 clinicians in this Medicare group
Tehachapi, CA 93561
- Reassigned Medicare billing, California enrollment
- 252 clinicians in this Medicare group
Scottsdale, AZ 85251
- Reassigned Medicare billing, California enrollment
- 79 clinicians in this Medicare group
Gilbert, AZ 85234
- Reassigned Medicare billing, California enrollment
- 50 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90025 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Siamak Dardashti's NPI number?
The NPI number for Siamak Dardashti is 1013942713. It was assigned to this individual provider in the NPPES registry on July 11, 2006.
Where is Siamak Dardashti located?
Siamak Dardashti practices at 1516 Cotner Ave, Los Angeles, CA 90025. The listed phone number is (310) 445-2951.
What is Siamak Dardashti's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Siamak Dardashti enrolled in Medicare?
Yes. Siamak Dardashti is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Siamak Dardashti's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Siamak Dardashti reassigns Medicare benefits to 8 organizations: Pronet Imaging Medical Group, Inc. (Los Angeles, CA), Cedars-Sinai Medical Care Foundation (Los Angeles, CA), San Fernando Valley Interventional Radiology And Imaging Center (Encino, CA), Prohealth Advanced Imaging Medical Group, Inc. (North Hollywood, CA), Health Diagnostics Of California A Professional Corporation (Laguna Hills, CA) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Siamak Dardashti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Siamak Dardashti accept?
Health plans from Blue Cross Blue Shield of Arizona list Siamak Dardashti as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Siamak Dardashti was last updated on January 31, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Siamak Dardashti, MD · NPI 1013942713
Diagnostic Radiology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 11, 2006.
## Identity
- **NPI:** 1013942713 (Entity type: Individual)
- **Enumerated:** July 11, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** G80392 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1516 COTNER AVE, Los Angeles, CA 90025-3303
- **Phone:** (310) 445-2951 · **Fax:** (310) 479-1459
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Pronet Imaging Medical Group, Inc. (NPI 1528099488, Los Angeles, CA); Cedars-Sinai Medical Care Foundation (NPI 1043826720, Los Angeles, CA); San Fernando Valley Interventional Radiology And Imaging Center (NPI 1942350889, Encino, CA); Prohealth Advanced Imaging Medical Group, Inc. (NPI 1003874702, North Hollywood, CA); Health Diagnostics Of California A Professional Corporation (NPI 1245861368, Laguna Hills, CA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** January 31, 2014
- **Other identifiers:** Medicare PIN BM518Z (CA); Medicare PIN WG80392B (CA); Medicare PIN WG80392J (CA); and 21 more
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Source: [NPI Profile](https://npiprofile.com/npi/1013942713) · Data from the CMS NPPES public registry.