STANLEY ARBITER MD LEONARD BELLER MD & MICHAEL SILAO MD
NPI 1003952342
Clinic/Center - Primary Care in Los Angeles, CA
About Stanley Arbiter Md Leonard Beller Md & Michael Silao Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STANLEY ARBITER MD LEONARD BELLER MD & MICHAEL SILAO MD (NPI 1003952342) is a healthcare organization registered as a primary care in Los Angeles, California and active in the NPI registry since January 2007. The organization lists Michael Andrew Silao, Owner / Md, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stanley Arbiter Md Leonard Beller Md & Michael Silao Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Stanley Arbiter MD Leonard Beller MD & Michael Silao MD, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Stanley Arbiter MD Leonard Beller MD & Michael Silao MD's NPI number?
The NPI number for Stanley Arbiter MD Leonard Beller MD & Michael Silao MD is 1003952342. It was assigned to this organization in the NPPES registry on January 30, 2007.
Where is Stanley Arbiter MD Leonard Beller MD & Michael Silao MD located?
Stanley Arbiter MD Leonard Beller MD & Michael Silao MD is located at 1711 W Temple St Ste 8600, Los Angeles, CA 90026. The listed phone number is (213) 484-1212.
What is Stanley Arbiter MD Leonard Beller MD & Michael Silao MD's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Stanley Arbiter MD Leonard Beller MD & Michael Silao MD enrolled in Medicare?
Yes. Stanley Arbiter MD Leonard Beller MD & Michael Silao MD is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Stanley Arbiter MD Leonard Beller MD & Michael Silao MD?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Stanley Arbiter MD Leonard Beller MD & Michael Silao MD. 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 Stanley Arbiter MD Leonard Beller MD & Michael Silao MD was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Stanley Arbiter Md Leonard Beller Md & Michael Silao Md · NPI 1003952342
Primary Care organization in Los Angeles, California. Organization record, active in the CMS NPPES registry since January 30, 2007.
## Identity
- **NPI:** 1003952342 (Entity type: Organization)
- **Enumerated:** January 30, 2007
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Organization subpart:** No
- **Authorized official:** Michael Silao, OWNER / MD
## Practice location
- **Address:** 1711 W TEMPLE ST STE 8600, Los Angeles, CA 90026-7337
- **Phone:** (213) 484-1212 · **Fax:** (213) 484-1378
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Family Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 12, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1003952342) · Data from the CMS NPPES public registry.