RICHARD S HOROWITZ, MD A MEDICAL CORPORATION
NPI 1548331606
Internal Medicine - Nephrology in Beverly Hills, CA
About Richard S Horowitz, Md A Medical Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RICHARD S HOROWITZ, MD A MEDICAL CORPORATION (NPI 1548331606) is a healthcare organization registered as a nephrology in Beverly Hills, California and active in the NPI registry since November 2006. The organization lists Richard Srularon Horowitz, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Group Practice 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)
Richard S Horowitz, Md A Medical Corporation 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 Richard S Horowitz, MD A Medical Corporation, 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 Richard S Horowitz, MD A Medical Corporation's NPI number?
The NPI number for Richard S Horowitz, MD A Medical Corporation is 1548331606. It was assigned to this organization in the NPPES registry on November 12, 2006.
Where is Richard S Horowitz, MD A Medical Corporation located?
Richard S Horowitz, MD A Medical Corporation is located at 462 N Linden Dr Suite 434, Beverly Hills, CA 90212. The listed phone number is (310) 358-7200.
What is Richard S Horowitz, MD A Medical Corporation's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Richard S Horowitz, MD A Medical Corporation enrolled in Medicare?
Yes. Richard S Horowitz, MD A Medical Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Richard S Horowitz, MD A Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Richard S Horowitz, MD A Medical Corporation. 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 Richard S Horowitz, MD A Medical Corporation was last updated on January 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Richard S Horowitz, Md A Medical Corporation · NPI 1548331606
Nephrology organization in Beverly Hills, California. Organization record, active in the CMS NPPES registry since November 12, 2006.
## Identity
- **NPI:** 1548331606 (Entity type: Organization)
- **Enumerated:** November 12, 2006
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** Richard Horowitz, PRESIDENT
## Practice location
- **Address:** 462 N LINDEN DR, SUITE 434, Beverly Hills, CA 90212-2247
- **Phone:** (310) 358-7200 · **Fax:** (310) 358-7211
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 7, 2015
- **Other identifiers:** Medicare ID-Type Unspecified A43197 (CA); Medicaid 00A43197 (CA); Medicare UPIN A63820 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1548331606) · Data from the CMS NPPES public registry.