Edward Thomas O'Brien, MD
Internal Medicine Physician - Medical Oncology
Biography
Dr. O'Brien is a board-certified and fellowship-trained cancer physician. His clinical interests include lung cancer, lymphoma, general hematology, and gastrointestinal malignancies, especially colon … Read more ›
Featured Review See More Reviews
Very good…
Summary
Provider Training
| University | Degree | Focus | Graduated |
|---|---|---|---|
| Georgetown University Medical School | Doctorate | Other | 1979 |
Specialties
Languages Spoken
EnglishMedical Specialties
- Internal Medicine Physician - Sub-Specialty: Medical Oncology
Years In Practice: 40 (started in 1986)
Accepts New Patients: Yes
Payment Options
Payment DetailsReviews
Number of Reviews: 2
Most Recent Review: 05/27/2026
Office & Staff Evaluation
Provider Evaluation
Review by
Anonymous
on
May 27, 2026
-
Geisinger Cancer Center Lewisburg - 4531 Westbranch Highway
Office & Staff Evaluation
Practice Evaluation
-
Ease of Getting an Appointment
- Courtesy of Practice Staff Not rated
-
Appearance & Atmosphere of Office
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
Provider Evaluation
- Willingness to Spend Time with You Not rated
-
Listening Skills
-
Clear explanations
-
Trust in Decision Making
- Accuracy of Diagnosis Not rated
- Post-Visit Follow-Up Not rated
“Very good...”
Very good
Review by
Anonymous
on
December 15, 2025
-
Geisinger Cancer Center Lewisburg - 4531 Westbranch Highway
Office & Staff Evaluation
Practice Evaluation
-
Ease of Getting an Appointment
- Courtesy of Practice Staff Not rated
-
Appearance & Atmosphere of Office
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
Provider Evaluation
- Willingness to Spend Time with You Not rated
-
Listening Skills
-
Clear explanations
-
Trust in Decision Making
- Accuracy of Diagnosis Not rated
- Post-Visit Follow-Up Not rated
“Dr O'Brien takes time to ease my...”
Dr O'Brien takes time to ease my concerns and offers empathy and support.
Locations
Affiliated Practices
Geisinger Cancer Center Lewisburg
4531 Westbranch HighwayLewisburg, PA 17837
Practice Colleagues
Anna Griffith, MD - Internal Medicine Physician
Fiori Alite, MD - Radiation Oncologist
Claudia Corona, MD - Internal Medicine Physician
Amanda Zimmerman, PA-C - Physician Assistant
Jerome Derdel, MD - Radiation Oncologist
Aubrey Wiesner, PA-C - Physician Assistant
Bradley Kramer, MD - Radiation Oncologist
Jamie Weeder, CRNP - Nurse Practitioner
David Salinger, MD - Radiation Oncologist
Procedures & Services
Procedures & Treatments Offered
Commonly Prescribed Medications
Edward Thomas O'Brien, MD has not yet listed the medications that he commonly prescribes.
Accepted Insurance
Accepted Insurance
Edward Thomas O'Brien, MD has not yet specified the insurance plans he accepts.
Comment - “ Very good... ”
Very good