ROBERT PAUL ZIMMERMAN MD PROFESSIONAL CORPORATION
NPI 1225586407
Radiology - Radiation Oncology in Beverly Hills, CA

Q: What is Robert Paul Zimmerman MD Professional Corporation's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Active since September 15, 2016

450 N ROXBURY DR, SUITE 600, BEVERLY HILLS, CA 90210(310) 651-2050(310) 651-2055 Get Directions Write a Review

NPPES record last updated: October 7, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 7, 2020, Sep 15, 2016 (2 updates tracked since 2016).

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About Robert Paul Zimmerman Md Professional Corporation NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT PAUL ZIMMERMAN MD PROFESSIONAL CORPORATION (NPI 1225586407) is a healthcare organization registered as a radiation oncology in Beverly Hills, California and active in the NPI registry since September 2016. The organization lists Robert Paul Zimmerman, Owner, as its authorized official.

NPPES Registry Identity

NPI1225586407

Entity TypeOrganization

Primary Taxonomy2085R0001X

Legal Business NameROBERT PAUL ZIMMERMAN MD PROFESSIONAL CORPORATION

Location Address450 N ROXBURY DR, SUITE 600Beverly Hills, CA 90210-4231

Mailing Address1661 N Raymond Ave, Suite 250Anaheim, CA 92801-1120 · (714) 522-2001 · Fax (714) 522-7503

Phone(310) 651-2050

Fax(310) 651-2055

Organization SubpartNo

Authorized OfficialRobert Paul ZimmermanOwner · (714) 522-2001

Enumeration DateSeptember 15, 2016

Last NPPES UpdateOctober 7, 20202 updates tracked since enumeration

NPPES CertifiedOctober 7, 2020

✔ NPI 1225586407 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed · G77580

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

450 N ROXBURY DR, Beverly Hills, CA 90210

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Other Identifiers 1

OtherG77580CA · Medical License

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert Paul Zimmerman Md Professional 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 Robert Paul Zimmerman MD Professional Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Robert Zimmerman, MD

Radiation Oncology

NPI 1679558811

1338 S HOPE ST
Los Angeles, CA 90015

(213) 724-5634

✔ PECOS✔ Accepts Medicare8.3 mi

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 Robert Paul Zimmerman MD Professional Corporation's NPI number?

The NPI number for Robert Paul Zimmerman MD Professional Corporation is 1225586407. It was assigned to this organization in the NPPES registry on September 15, 2016.

Where is Robert Paul Zimmerman MD Professional Corporation located?

Robert Paul Zimmerman MD Professional Corporation is located at 450 N Roxbury Dr Suite 600, Beverly Hills, CA 90210. The listed phone number is (310) 651-2050.

What is Robert Paul Zimmerman MD Professional Corporation's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Robert Paul Zimmerman MD Professional Corporation enrolled in Medicare?

Yes. Robert Paul Zimmerman MD Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Robert Paul Zimmerman MD Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Radiation Oncology) reassigns their Medicare billing to Robert Paul Zimmerman MD Professional 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 Robert Paul Zimmerman MD Professional Corporation was last updated on October 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.