GOLDEN STATE RADIATION ONCOLOGY, INC
NPI 1184924193
Radiology - Radiation Oncology in Woodland Hills, CA

Q: What is Golden State Radiation Oncology, Inc's NPI number?

The NPI number for Golden State Radiation Oncology, Inc is 1184924193. It was assigned to this organization in the NPPES registry on October 25, 2010.

Q: What is Golden State Radiation Oncology, Inc's specialty?

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

Active since October 25, 2010

21300 ERWIN ST, WOODLAND HILLS, CA 90211(424) 249-7500(818) 610-7461 Get Directions Write a Review

NPPES record last updated: March 16, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Golden State Radiation Oncology, Inc NPPES

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

GOLDEN STATE RADIATION ONCOLOGY, INC (NPI 1184924193) is a healthcare organization registered as a radiation oncology in Woodland Hills, California and active in the NPI registry since October 2010. The organization lists Randall A Scharlach, Owner, as its authorized official.

NPPES Registry Identity

NPI1184924193

Entity TypeOrganization

Primary Taxonomy2085R0001X

Legal Business NameGOLDEN STATE RADIATION ONCOLOGY, INC

Location Address21300 ERWIN STWoodland Hills, CA 90211-1950

Mailing Address104 Woodmont Blvd Ste 500Nashville, TN 37205-2245 · (713) 589-6879 · Fax (713) 795-5081

Phone(424) 249-7500

Fax(818) 610-7461

Organization SubpartNo

Authorized OfficialRandall A ScharlachOwner · (818) 449-2700

Enumeration DateOctober 25, 2010

Last NPPES UpdateMarch 16, 2023

NPPES CertifiedMarch 16, 2023

✔ NPI 1184924193 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in CA · A71358

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.

21300 ERWIN ST, Woodland Hills, CA 90211

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Other Identifiers 1

OtherHC599ACA · Medicare

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)

Golden State Radiation Oncology, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Golden State Radiation Oncology, Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Randall Scharlach, MD

Radiation Oncology

NPI 1477545093

21300 ERWIN ST
Woodland Hills, CA 91367

(818) 449-2700

✔ PECOS✔ Accepts MedicareSame address

Robert Hesselgesser, MD

Radiation Oncology

NPI 1710979687

101 THE CITY DR S
Orange, CA 92868

(714) 880-7812

✔ PECOS✔ Accepts Medicare49 mi

Rosalyn Morrell, MD

Radiation Oncology

NPI 1700871860

909 FROSTWOOD DR STE 152
Houston, TX 77024

(713) 242-3500

✔ PECOS✔ Accepts Medicare1,384 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 Golden State Radiation Oncology, Inc's NPI number?

The NPI number for Golden State Radiation Oncology, Inc is 1184924193. It was assigned to this organization in the NPPES registry on October 25, 2010.

Where is Golden State Radiation Oncology, Inc located?

Golden State Radiation Oncology, Inc is located at 21300 Erwin St, Woodland Hills, CA 90211. The listed phone number is (424) 249-7500.

What is Golden State Radiation Oncology, Inc's specialty?

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

Is Golden State Radiation Oncology, Inc enrolled in Medicare?

Yes. Golden State Radiation Oncology, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Golden State Radiation Oncology, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Radiation Oncology, reassign their Medicare billing to Golden State Radiation Oncology, 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Golden State Radiation Oncology, Inc was last updated on March 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.