William J. Tester, MD
Hematology & Oncology Physician · Oncologist in Philadelphia, PA
Provider details
- Specialty
- Hematology & Oncology Physician
- Also registered as
- Medical Oncology Physician
- Credentials
- MD
- NPI number
- 1386613693
Checked against the CMS National Provider Identifier registry on October 2, 2026.
Medicare information
- Medical school
- Hahnemann University College of Medicine, graduated 1972
- Also sees patients at
- Jefferson University Physicians
925 Chestnut St, Suite 3, Philadelphia, PA 19107 · (215) 955-8874
- Jefferson University Physicians
- Hospital affiliations
- Thomas Jefferson University Hospital, Philadelphia, PA · Medicare rating 3 out of 5 stars
- Jefferson Stratford Hospital, Stratford, NJ · Medicare rating 2 out of 5 stars
- Medicare
- Accepts Medicare assignment (the Medicare-approved amount as full payment)
- Telehealth
- Offers telehealth visits
From Medicare’s public Care Compare data (Doctors and Clinicians), checked October 3, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare
About
Specialties
- Hematology
- Oncology
- Internal Medicine
Insurance
- Aetna HMO
- AmeriHealth - Personal Choice PPO
- Amerihealth PPO
- Blue Cross and Blue Shield - BlueCard PPO
- Cigna - Open Access
- Cigna HMO
- Cigna PPO
- Coventry of Delaware HMO
- First Health PPO
- Humana - Choice Care PPO
- Keystone Health Plan East HMO
- Keystone Health Plan East POS
- MultiPlan - PHCS PPO
- MultiPlan PPO
- Oxford Health Plans - Freedom Plan
- Oxford Liberty
- United HealthCare
- United HealthCare - Choice Plus POS
- United HealthCare - Options PPO
Other care in Philadelphia
- Psychiatrists in Philadelphia (528)
- Holistic Practitioners in Philadelphia (409)
- Psychologists in Philadelphia (244)
- Legal Assistance in Philadelphia (191)
- Health Insurance in Philadelphia (95)
- Wellness and Nutrition in Philadelphia (90)
- Prosthetics, Wigs & Accessories in Philadelphia (76)
- Physical Therapists in Philadelphia (70)
- Medical Imaging and Screening in Philadelphia (68)
- Massage Therapists in Philadelphia (67)
- Cancer Treatment Centers in Philadelphia (27)
- Home Health Care in Philadelphia (25)
- Hospice in Philadelphia (20)
- Financial Assistance in Philadelphia (5)
- Cancer Research Centers in Philadelphia (3)
- Emotional Support in Philadelphia (2)
- Cancer Camps and Retreats in Philadelphia (1)
Listings are provided for information only and may be out of date. Know Cancer does not endorse any provider. Please confirm details directly with the provider.