Advanced in Lung Cancer

Dr. Robert B. Ash

Radiation Oncology
Providence
1000 West La Veta Avenue, 
Orange, CA 
Accepting New Patients

Advanced in Lung Cancer
Providence
1000 West La Veta Avenue, 
Orange, CA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Robert Ash is a Radiation Oncologist in Orange, California. Dr. Ash is rated as an Advanced provider by MediFind in the treatment of Lung Cancer. His top areas of expertise are Anal Cancer, Prostate Cancer, Posterior Fossa Tumor, and Primitive Neuroectodermal Tumor (PNET). Dr. Ash is currently accepting new patients.

His clinical research consists of co-authoring 4 peer reviewed articles and participating in 8 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has participated in 2 clinical trials in the study of Lung Cancer.

Specialties
Radiation Oncology
Licenses
Radiology in CA
Hospital Affiliations
Providence St. Joseph Hospital
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Community Health Group
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
SCAN Health Plan
  • INSURANCE PLAN
  • MEDICARE MAPD
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 6 Less Insurance Carriers -

Locations

1000 West La Veta Avenue, Orange, CA 92868
Call: 714-734-6250

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


8 Clinical Trials

Maintenance Systemic Therapy Versus Local Consolidative Therapy (LCT) Plus Maintenance Systemic Therapy for Limited Metastatic Non-Small Cell Lung Cancer (NSCLC): A Randomized Phase II/III Trial
Maintenance Systemic Therapy Versus Local Consolidative Therapy (LCT) Plus Maintenance Systemic Therapy for Limited Metastatic Non-Small Cell Lung Cancer (NSCLC): A Randomized Phase II/III Trial
Enrollment Status: Active_not_recruiting
Publish Date: November 25, 2025
Intervention Type: Radiation, Drug
Study Drugs: Docetaxel, Gemcitabine, Pemetrexed Disodium, Erlotinib Hydrochloride, Pembrolizumab
Study Phase: Phase 2
Randomized Phase II Trial of Hypofractionated Dose-Escalated Photon IMRT or Proton Beam Therapy Versus Conventional Photon Irradiation With Concomitant and Adjuvant Temozolomide in Patients With Newly Diagnosed Glioblastoma
Randomized Phase II Trial of Hypofractionated Dose-Escalated Photon IMRT or Proton Beam Therapy Versus Conventional Photon Irradiation With Concomitant and Adjuvant Temozolomide in Patients With Newly Diagnosed Glioblastoma
Enrollment Status: Active_not_recruiting
Publish Date: November 10, 2025
Intervention Type: Other, Radiation, Drug
Study Drug: Temozolomide
Study Phase: Phase 2
RT CHARM: Phase III Randomized Trial of Hypofractionated Post Mastectomy Radiation With Breast Reconstruction
RT CHARM: Phase III Randomized Trial of Hypofractionated Post Mastectomy Radiation With Breast Reconstruction
Enrollment Status: Active_not_recruiting
Publish Date: October 08, 2025
Intervention Type: Other, Radiation
Study Phase: Phase 3
Phase III IGRT and SBRT vs IGRT and Hypofractionated IMRT for Localized Intermediate Risk Prostate Cancer
Phase III IGRT and SBRT vs IGRT and Hypofractionated IMRT for Localized Intermediate Risk Prostate Cancer
Enrollment Status: Active_not_recruiting
Publish Date: September 05, 2025
Intervention Type: Other, Radiation
Study Phase: Phase 3
Randomized Phase II/III Trial of Prophylactic Cranial Irradiation With or Without Hippocampal Avoidance for Small Cell Lung Cancer
Randomized Phase II/III Trial of Prophylactic Cranial Irradiation With or Without Hippocampal Avoidance for Small Cell Lung Cancer
Enrollment Status: Active_not_recruiting
Publish Date: July 17, 2024
Intervention Type: Radiation
Study Phase: Phase 2/Phase 3
Intraoperative Boost Radiotherapy With Electrons (IOERT) Followed By Hypofractionated Whole-Breast Irradiation (WBRT)
Intraoperative Boost Radiotherapy With Electrons (IOERT) Followed By Hypofractionated Whole-Breast Irradiation (WBRT)
Enrollment Status: Unknown
Publish Date: May 11, 2022
Intervention Type: Radiation
Study Phase: Not Applicable
A Treatment of Unresectable Hepatocellular Carcinoma With TheraSphere®
A Treatment of Unresectable Hepatocellular Carcinoma With TheraSphere®
Enrollment Status: Completed
Publish Date: April 06, 2021
Intervention Type: Device
Outcome Assessment of an Active Surveillance Program for Low Risk Prostate Cancer: An Observational Study
Outcome Assessment of an Active Surveillance Program for Low Risk Prostate Cancer: An Observational Study
Enrollment Status: Terminated
Publish Date: April 02, 2021
View 7 Less Clinical Trials

4 Total Publications

Recurrence rates for patients with early-stage breast cancer treated with IOERT at a community hospital per the ASTRO consensus statement for APBI.
Recurrence rates for patients with early-stage breast cancer treated with IOERT at a community hospital per the ASTRO consensus statement for APBI.
Journal: Brachytherapy
Published: December 29, 2018
View All 4 Publications
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Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Ash's expertise for a condition
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    • Distinguished
    • Anal Cancer
      Dr. Ash is
      Distinguished
      . Learn about Anal Cancer.
      See more Anal Cancer experts
    • Familial Prostate Cancer
      Dr. Ash is
      Distinguished
      . Learn about Familial Prostate Cancer.
      See more Familial Prostate Cancer experts
    • Posterior Fossa Tumor
      Dr. Ash is
      Distinguished
      . Learn about Posterior Fossa Tumor.
      See more Posterior Fossa Tumor experts
    • Primitive Neuroectodermal Tumor (PNET)
      Dr. Ash is
      Distinguished
      . Learn about Primitive Neuroectodermal Tumor (PNET).
      See more Primitive Neuroectodermal Tumor (PNET) experts
    • Prostate Cancer
      Dr. Ash is
      Distinguished
      . Learn about Prostate Cancer.
      See more Prostate Cancer experts
    • Advanced
    • Acinic Cell Carcinoma of Salivary Glands
      Dr. Ash is
      Advanced
      . Learn about Acinic Cell Carcinoma of Salivary Glands.
      See more Acinic Cell Carcinoma of Salivary Glands experts
    • Breast Cancer
      Dr. Ash is
      Advanced
      . Learn about Breast Cancer.
      See more Breast Cancer experts
    • Lung Cancer
      Dr. Ash is
      Advanced
      . Learn about Lung Cancer.
      See more Lung Cancer experts
    • Metastatic Brain Tumor
      Dr. Ash is
      Advanced
      . Learn about Metastatic Brain Tumor.
      See more Metastatic Brain Tumor experts
    • Pleuropulmonary Blastoma
      Dr. Ash is
      Advanced
      . Learn about Pleuropulmonary Blastoma.
      See more Pleuropulmonary Blastoma experts
    • Salivary Gland Tumors
      Dr. Ash is
      Advanced
      . Learn about Salivary Gland Tumors.
      See more Salivary Gland Tumors experts
    • Experienced
    • Acoustic Neuroma
      Dr. Ash is
      Experienced
      . Learn about Acoustic Neuroma.
      See more Acoustic Neuroma experts
    • Adenoid Cystic Carcinoma
      Dr. Ash is
      Experienced
      . Learn about Adenoid Cystic Carcinoma.
      See more Adenoid Cystic Carcinoma experts
    • Adult Soft Tissue Sarcoma
      Dr. Ash is
      Experienced
      . Learn about Adult Soft Tissue Sarcoma.
      See more Adult Soft Tissue Sarcoma experts
    • ALK-Positive Non-Small Cell Lung Cancer
      Dr. Ash is
      Experienced
      . Learn about ALK-Positive Non-Small Cell Lung Cancer.
      See more ALK-Positive Non-Small Cell Lung Cancer experts
    • Angiosarcoma
      Dr. Ash is
      Experienced
      . Learn about Angiosarcoma.
      See more Angiosarcoma experts
    • Angiosarcoma of the Scalp
      Dr. Ash is
      Experienced
      . Learn about Angiosarcoma of the Scalp.
      See more Angiosarcoma of the Scalp experts
    View All 59 Experienced Conditions
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