ALLIANCE INTERVENTIONAL INSTITUTE, INC
NPI 1710330188
Clinic/Center - Radiology in Palmdale, CA
About Alliance Interventional Institute, Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLIANCE INTERVENTIONAL INSTITUTE, INC (NPI 1710330188), doing business as Alliance Vascular, is a healthcare organization registered as a radiology in Palmdale, California and active in the NPI registry since July 2016. The organization maintains a secondary practice location in Sherman Oaks and lists Matthew Lynn Larson, Coo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 4
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alliance Interventional Institute, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Alliance Interventional Institute, Inc, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (2)
Los Angeles, CA 90024
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Alliance Interventional Institute, Inc's NPI number?
The NPI number for Alliance Interventional Institute, Inc is 1710330188. It was assigned to this organization in the NPPES registry on July 20, 2016. The provider is doing business as Alliance Vascular, LA Embolization Centers, LA Knee Pain Centers and LA Prostate Centers.
Where is Alliance Interventional Institute, Inc located?
Alliance Interventional Institute, Inc is located at 631 W Avenue Q Ste A, Palmdale, CA 93551. The listed phone number is (661) 575-0705.
What is Alliance Interventional Institute, Inc's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Radiology, with taxonomy code 261QR0200X.
Is Alliance Interventional Institute, Inc enrolled in Medicare?
Yes. Alliance Interventional Institute, Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Alliance Interventional Institute, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Interventional Radiology, reassign their Medicare billing to Alliance Interventional Institute, Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Alliance Interventional Institute, Inc was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days 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.
# Alliance Interventional Institute, Inc · NPI 1710330188
Radiology organization in Palmdale, California. Organization record, active in the CMS NPPES registry since July 20, 2016.
## Identity
- **NPI:** 1710330188 (Entity type: Organization)
- **Enumerated:** July 20, 2016
- **Primary specialty:** Clinic/Center - Radiology · taxonomy 261QR0200X
- **Also known as:** Alliance Vascular (Doing Business As); LA Embolization Centers (Doing Business As); LA Knee Pain Centers (Doing Business As); and 1 more
- **Organization subpart:** No
- **Authorized official:** Matthew Larson, COO
## Practice location
- **Address:** 631 W AVENUE Q, STE A, Palmdale, CA 93551-3892
- **Phone:** (661) 575-0705 · **Fax:** (661) 575-0711
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians (Interventional Radiology) reassign Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1710330188) · Data from the CMS NPPES public registry.