William J. Tester
Experienced in Testicular Cancer

Dr. William J. Tester

Oncology
1101 Chestnut Street, Floor 14, 
Philadelphia, PA 
Accepting New Patients
Offers Telehealth
Experienced in Testicular Cancer
1101 Chestnut Street, Floor 14, 
Philadelphia, PA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

William Tester is an Oncologist in Philadelphia, Pennsylvania. Dr. Tester is rated as an Experienced provider by MediFind in the treatment of Testicular Cancer. His top areas of expertise are Pleuropulmonary Blastoma, Muscle Invasive Bladder Cancer, Breast Cancer, Chromophobe Renal Cell Carcinoma, and Bone Marrow Aspiration. Dr. Tester is currently accepting new patients.

His clinical research consists of co-authoring 22 peer reviewed articles and participating in 4 clinical trials. MediFind looks at clinical research from the past 15 years.

Graduate Institution
Drexel University College Of Medicine
Residency
Albert Einstein Medical Center
Specialties
Oncology
Licenses
Internal Medicine in PA
Board Certifications
Medical Oncology
Internal Medicine
Hematology
Fellowships
MedStar Georgetown University Hospital
National Institutes of Health Clinical Center
Hospital Affiliations
Thomas Jefferson University 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 BCBS
  • EPO
  • HMO
  • POS
  • PPO
Avalon Health Care
  • MEDICARE PDP
Cigna
  • EPO
  • HMO
  • PPO
Devoted Health
  • MEDICARE MAPD
  • OTHER MEDICARE
Geisinger
  • HMO
  • POS
  • PPO
Health Partners Plans
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
PA Health and Wellness
  • HMO
  • MANAGED MEDICAID PLAN
TeamCare
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • 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 12 Less Insurance Carriers -

Locations

Jefferson Cancer - Honickman Center
1101 Chestnut Street, Floor 14, Philadelphia, PA 19107

Additional Areas of Focus

Dr. Tester has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Penile Cancer
Prostate Cancer
Bladder Cancer
Testicular Cancer

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.

4 Clinical Trials

Phase III Randomized Adjuvant Study of Pembrolizumab in muScle invaSive and locAlly aDvanced urOthelial caRcinoma (AMBASSADOR) Versus Observation
Phase III Randomized Adjuvant Study of Pembrolizumab in muScle invaSive and locAlly aDvanced urOthelial caRcinoma (AMBASSADOR) Versus Observation
Enrollment Status: Active_not_recruiting
Publish Date: February 12, 2026
Intervention Type: Other, Biological, Procedure
Study Drug: Pembrolizumab
Study Phase: Phase 3
Randomized Study of Erlotinib Vs Observation in Patients With Completely Resected Epidermal Growth Factor Receptor (EGFR) Mutant Non-Small Cell Lung Cancer (NSCLC)
Randomized Study of Erlotinib Vs Observation in Patients With Completely Resected Epidermal Growth Factor Receptor (EGFR) Mutant Non-Small Cell Lung Cancer (NSCLC)
Enrollment Status: Active_not_recruiting
Publish Date: February 12, 2026
Intervention Type: Other, Drug
Study Drug: Erlotinib Hydrochloride
Study Phase: Phase 3
Adjuvant Lung Cancer Enrichment Marker Identification and Sequencing Trial (ALCHEMIST)
Adjuvant Lung Cancer Enrichment Marker Identification and Sequencing Trial (ALCHEMIST)
Enrollment Status: Active_not_recruiting
Publish Date: February 12, 2026
Intervention Type: Other, Procedure, Biological, Drug
Study Phase: Not Applicable
A Randomized Phase III Trial for Surgically Resected Early Stage Non-small Cell Lung Cancer: Crizotinib Versus Observation for Patients With Tumors Harboring the Anaplastic Lymphoma Kinase (ALK) Fusion Protein
A Randomized Phase III Trial for Surgically Resected Early Stage Non-small Cell Lung Cancer: Crizotinib Versus Observation for Patients With Tumors Harboring the Anaplastic Lymphoma Kinase (ALK) Fusion Protein
Enrollment Status: Active_not_recruiting
Publish Date: December 19, 2025
Intervention Type: Other, Drug
Study Drug: Crizotinib
Study Phase: Phase 3
View 3 Less Clinical Trials

22 Total Publications

Renal cell carcinoma: entering the age of biomarkers.
Renal cell carcinoma: entering the age of biomarkers.
Journal: The Canadian journal of urology
Published: September 01, 2024
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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

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