DR. ALISA ALAYAN
NPI 1558745562
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Los Angeles, CA
About Dr. Alisa Alayan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALISA ALAYAN (NPI 1558745562) is an individual orthopaedic surgery of the spine provider in Los Angeles, California, licensed in California (136967) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Alisa Alayan 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
2Medicare enrollment records show Alisa Alayan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glendale, CA 91201
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Alisa Alayan MD Inc
Encino, CA 91436
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Shahin S Rad MD PC
- 24 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 4
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.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
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 Alisa Alayan's NPI number?
The NPI number for Alisa Alayan is 1558745562. It was assigned to this individual provider in the NPPES registry on July 20, 2015.
Where is Alisa Alayan located?
Alisa Alayan practices at 444 S San Vicente Blvd Ste 901, Los Angeles, CA 90048. The listed phone number is (310) 423-9779.
What is Alisa Alayan's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Alisa Alayan enrolled in Medicare?
Yes. Alisa Alayan 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 Alisa Alayan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alisa Alayan reassigns Medicare benefits to 2 organizations: Alisa Alayan M.D., Inc. (Glendale, CA) and Shahin S. Rad, M.D. PC (Encino, 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 Alisa Alayan'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 Alisa Alayan was last updated on August 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.