DR. SHAYAN RAB M.D.
NPI 1356609119
Specialist in Los Angeles, CA
About Dr. Shayan Rab M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHAYAN RAB M.D. (NPI 1356609119) is an individual specialist in Los Angeles, California, licensed in California (A127914) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS and maintains a secondary practice location in Los Angeles.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Shayan Rab M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Shayan Rab reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90012
- Reassigned Medicare billing, California enrollment
- 533 clinicians in this Medicare group
Los Angeles, CA 90012
- Reassigned Medicare billing, California enrollment
- 1,939 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.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90012
LOS ANGELES, CA 90012
LOS ANGELES, CA 90012
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 Shayan Rab's NPI number?
The NPI number for Shayan Rab is 1356609119. It was assigned to this individual provider in the NPPES registry on April 30, 2012.
Where is Shayan Rab located?
Shayan Rab practices at 222 S Hill St Fl 5, Los Angeles, CA 90012. The listed phone number is (213) 600-4043.
What is Shayan Rab's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Shayan Rab enrolled in Medicare?
Yes. Shayan Rab is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Shayan Rab's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shayan Rab reassigns Medicare benefits to 2 organizations: Los Angeles County Department Of Mental Health (Los Angeles, CA) and County Of Los Angeles (Los Angeles, CA). 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 Shayan Rab'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 Shayan Rab was last updated on December 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.