Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Richard S Horowitz, MD A Medical Corporation

Nephrology Physician in Beverly Hills, CA · enumerated 2006 · authorized official Richard Horowitz, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1548331606

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Registry record

Entity type Organization (Type 2)

Legal business name Richard S Horowitz, MD A Medical Corporation

Practice address 462 N Linden Dr, Suite 434, Beverly Hills, CA, 90212

Phone (310) 358-7200

Fax (310) 358-7211

Enumeration date Nov 12, 2006

Last updated in NPPES Jan 7, 2015

Taxonomy & classification

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License A43197 (CA) Primary

Authorized official

Name Richard Horowitz

Title President

Phone (310) 358-7200

Other identifiers

Identifier	Type	State	Issuer
00A43197	Medicaid	CA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Richard S Horowitz, MD A Medical Corporation?

The NPI for Richard S Horowitz, MD A Medical Corporation is 1548331606, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Richard S Horowitz, MD A Medical Corporation?

NPPES lists Richard Horowitz (President) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-01-07.