Expertise in
8
conditions

Dr. Joanne E. Mortimer

Oncology
City Of Hope Comprehensive Cancer Center-Duarte
1500 Duarte Rd, 
Duarte, CA 
Offers Telehealth
Expertise in
8
conditions
City Of Hope Comprehensive Cancer Center-Duarte
1500 Duarte Rd, 
Duarte, CA 

Overview

Joanne Mortimer is an Oncologist practicing medicine in Duarte, California.

Dr. Mortimer is highly rated in 8 conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Triple-Negative Breast Cancer, Inflammatory Breast Cancer, HER-2 Positive Breast Cancer, and Colonoscopy.

She is actively involved in clinical research, co-authoring 157 peer reviewed articles and participating in 12 clinical trials.

Specialties

Oncology

Licenses

Internal Medicine in CA

Languages Spoken

English

Gender

Female

Insurance

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

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • 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
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health Net

Accepted plan types not found. Please verify directly with the provider.

Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Inland Empire Health Plan
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
LA Care
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Nippon Life
  • INSURANCE PLAN
Trustmark
  • PPO
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 14 Less Insurance Carriers -

Locations

City Of Hope Comprehensive Cancer Center-Duarte
1500 Duarte Rd, Duarte, CA 91010

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.

12 Clinical Trials

A Randomized, Phase III Trial to Evaluate the Efficacy and Safety of Pembrolizumab (MK-3475) as Adjuvant Therapy for Triple Receptor-Negative Breast Cancer With >/= 1 CM Residual Invasive Cancer or Positive Lymph Nodes (ypN1mi, ypN1-3) After Neoadjuvant Chemotherapy
A Randomized, Phase III Trial to Evaluate the Efficacy and Safety of Pembrolizumab (MK-3475) as Adjuvant Therapy for Triple Receptor-Negative Breast Cancer With >/= 1 CM Residual Invasive Cancer or Positive Lymph Nodes (ypN1mi, ypN1-3) After Neoadjuvant Chemotherapy
Enrollment Status: Active_not_recruiting
Publish Date: August 31, 2026
Intervention Type: Other, Radiation, Procedure, Biological
Study Drug: Pembrolizumab
Study Phase: Phase 3
A Phase III, Randomized Clinical Trial of Standard Adjuvant Endocrine Therapy +/- Chemotherapy in Patients With 1-3 Positive Nodes, Hormone Receptor-Positive and HER2-Negative Breast Cancer With Recurrence Score (RS) of 25 or Less. RxPONDER: A Clinical Trial Rx for Positive Node, Endocrine Responsive Breast Cancer
A Phase III, Randomized Clinical Trial of Standard Adjuvant Endocrine Therapy +/- Chemotherapy in Patients With 1-3 Positive Nodes, Hormone Receptor-Positive and HER2-Negative Breast Cancer With Recurrence Score (RS) of 25 or Less. RxPONDER: A Clinical Trial Rx for Positive Node, Endocrine Responsive Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: August 28, 2026
Intervention Type: Drug, Other
Study Drugs: Anastrozole, Exemestane, Letrozole, Systemic Chemotherapy
Study Phase: Phase 3
Double Blind, Parallel Groups, Controlled, Randomized Phase II Trial to Evaluate Vaccination With Folate Receptor Alpha Peptide Vaccine With GM-CSF as Vaccine Adjuvant Following Oral Cyclophosphamide Versus GM-CSF/Placebo to Prevent Recurrence in Patients With Triple Negative Breast Cancer
Double Blind, Parallel Groups, Controlled, Randomized Phase II Trial to Evaluate Vaccination With Folate Receptor Alpha Peptide Vaccine With GM-CSF as Vaccine Adjuvant Following Oral Cyclophosphamide Versus GM-CSF/Placebo to Prevent Recurrence in Patients With Triple Negative Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: June 30, 2026
Intervention Type: Drug, Other, Biological
Study Drugs: Cyclophosphamide, Multi-epitope Folate Receptor Alpha Peptide Vaccine, Sargramostim
Study Phase: Phase 2
[18F] Fluoroestradiol (FES) PET as a Predictive Measure for Endocrine Therapy in Patients With Newly Diagnosed Metastatic Breast Cancer
[18F] Fluoroestradiol (FES) PET as a Predictive Measure for Endocrine Therapy in Patients With Newly Diagnosed Metastatic Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: June 29, 2026
Intervention Type: Other, Procedure, Drug
Study Drug: F-18 16 Alpha-Fluoroestradiol
Study Phase: Phase 2
Phase II Prospective Open Label Study of Pertuzumab, Trastuzumab, and Nab-Paclitaxel in Patients With HER-2 Positive Advanced Breast Cancer
Phase II Prospective Open Label Study of Pertuzumab, Trastuzumab, and Nab-Paclitaxel in Patients With HER-2 Positive Advanced Breast Cancer
Enrollment Status: Completed
Publish Date: June 16, 2026
Intervention Type: Drug, Other, Biological
Study Drugs: Pertuzumab, Trastuzumab, Paclitaxel Albumin-Stabilized Nanoparticle Formulation
Study Phase: Phase 2
A Novel Single Wave Assessment to Measure Cardiac Dysfunction and Metabolic Syndrome in Cancer Patients
A Novel Single Wave Assessment to Measure Cardiac Dysfunction and Metabolic Syndrome in Cancer Patients
Enrollment Status: Completed
Publish Date: June 01, 2026
Intervention Type: Procedure, Other
A Randomized, Open-Label, Phase 3 Study of Abemaciclib Combined With Standard Adjuvant Endocrine Therapy Versus Standard Adjuvant Endocrine Therapy Alone in Patients With High Risk, Node Positive, Early Stage, Hormone Receptor Positive, Human Epidermal Receptor 2 Negative, Breast Cancer
A Randomized, Open-Label, Phase 3 Study of Abemaciclib Combined With Standard Adjuvant Endocrine Therapy Versus Standard Adjuvant Endocrine Therapy Alone in Patients With High Risk, Node Positive, Early Stage, Hormone Receptor Positive, Human Epidermal Receptor 2 Negative, Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: April 24, 2026
Intervention Type: Drug
Study Drugs: Abemaciclib, Standard Adjuvant Endocrine Therapy
Study Phase: Phase 3
A Pilot Study of 64Cu-DOTA-Trastuzumab Positron Emission Tomography in Treatment of Advanced HER2 Positive Breast Cancer With the Antibody Drug Conjugate Ado-trastuzumab Emtansine
A Pilot Study of 64Cu-DOTA-Trastuzumab Positron Emission Tomography in Treatment of Advanced HER2 Positive Breast Cancer With the Antibody Drug Conjugate Ado-trastuzumab Emtansine
Enrollment Status: Active_not_recruiting
Publish Date: February 13, 2026
Intervention Type: Biological, Other, Radiation, Procedure
Study Drugs: trastuzumab, ado-trastuzumab emtansine
Study Phase: Not Applicable
Use of 64Cu-DOTA-Trastuzumab PET Imaging and Molecular Markers for Prediction of Response to Trastuzumab and Pertuzum-Based Neoadjuvant Therapy
Use of 64Cu-DOTA-Trastuzumab PET Imaging and Molecular Markers for Prediction of Response to Trastuzumab and Pertuzum-Based Neoadjuvant Therapy
Enrollment Status: Active_not_recruiting
Publish Date: November 14, 2025
Intervention Type: Biological, Other, Procedure, Radiation
Study Drugs: Pertuzumab, Trastuzumab
Study Phase: Phase 2
Systematic Light Exposure to Treat Cancer-Related Fatigue in Breast Cancer Patients
Systematic Light Exposure to Treat Cancer-Related Fatigue in Breast Cancer Patients
Enrollment Status: Completed
Publish Date: August 23, 2023
Intervention Type: Device
Study Phase: Not Applicable
View 9 Less Clinical Trials

157 Total Publications

Baseline gene expression and dynamic endocrine therapy use in ER+ breast cancer: associations with recurrence in a real-world cohort.
Baseline gene expression and dynamic endocrine therapy use in ER+ breast cancer: associations with recurrence in a real-world cohort.
Journal: Research square
Published: July 10, 2026
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1500 Duarte Rd, 
Duarte, CA 
 (0.1 miles away)
888-304-3959
Languages Spoken:
English
See accepted insurances
Offers Telehealth

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Frequently Asked Questions about Dr. Joanne E. Mortimer

How do I make an appointment with Dr. Joanne E. Mortimer?

You can book an appointment with Dr. Joanne E. Mortimer by calling their office at 888-304-3959. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Joanne E. Mortimer a top-rated expert for Breast Cancer?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Joanne E. Mortimer is classified as an Elite expert for Breast Cancer, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Joanne E. Mortimer specialize in?

While Dr. Joanne E. Mortimer is a Oncology, they have specific expertise in Breast Cancer, Triple-Negative Breast Cancer, and Inflammatory Breast Cancer. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Oncology.

Does Dr. Joanne E. Mortimer participate in research or clinical trials?

Yes. Dr. Joanne E. Mortimer has published 157 articles and abstracts on conditions like Breast Cancer. You can view a list of Dr. Joanne E. Mortimer's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Joanne E. Mortimer accept my insurance?

Dr. Joanne E. Mortimer accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 888-304-3959 to verify that your specific plan is currently accepted before your visit.

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

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