SEAN NEWSHA ERSHADI
NPI 1972007235
Radiology - Vascular & Interventional Radiology in Pasadena, CA
About Sean Newsha Ershadi NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN NEWSHA ERSHADI (NPI 1972007235) is an individual vascular & interventional radiology provider in Pasadena, California, licensed in California (1972007235) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (2018).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Sean Newsha Ershadi 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
14Medicare enrollment records show Sean Ershadi reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arcadia, CA 91006
- Reassigned Medicare billing, California enrollment
- 61 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 clinicians in this Medicare group
Whittier, CA 90602
- Reassigned Medicare billing, California enrollment
- 84 clinicians in this Medicare group
Glendora, CA 91741
- Reassigned Medicare billing, California enrollment
- 109 clinicians in this Medicare group
Fullerton, CA 92835
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 71 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 24 clinicians in this Medicare group
San Antonio, TX 78214
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, California enrollment
- 17 clinicians in this Medicare group
Chattanooga, TN 37411
- Reassigned Medicare billing, California enrollment
- 5 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 23
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 91105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PASADENA, CA 91105
PASADENA, CA 91105
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 Sean Ershadi's NPI number?
The NPI number for Sean Ershadi is 1972007235. It was assigned to this individual provider in the NPPES registry on March 21, 2018.
Where is Sean Ershadi located?
Sean Ershadi practices at 100 W California Blvd, Pasadena, CA 91105. The listed phone number is (626) 397-5139.
What is Sean Ershadi's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Sean Ershadi enrolled in Medicare?
Yes. Sean Ershadi 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 Sean Ershadi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Ershadi reassigns Medicare benefits to 14 organizations: Radiant Imaging, Inc. (Arcadia, CA), Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA), Lambert Radiology Medical Group, Inc (Whittier, CA), Menalam Health Services PC (Glendora, CA), St Jude Radiology Medical Group Inc (Fullerton, CA) and 9 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 Sean Ershadi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sean Ershadi was last updated on December 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.