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Oncology Specialist (cancer)
34 years of experience
Video profile
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Louis Weiner:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Louis Weiner is Excellent. Dr. Weiner has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Louis Weiner, MD is board certified in Medical Oncology.

  • He has special expertise in 22 areas:
  • Biological Therapy (Immunotherapy)
  • Breast Cancer
  • Cancer
  • Cancer (Experimental)
  • Carcinoma
  • Clinical Research
  • Colon Cancer
  • Colorectal Cancer
  • Epidemiology
  • Esophagectomy
  • Esophagus Cancer (Esophogeal Neoplasm)
  • Gastrointestinal Cancer
  • Glandular Cancer (Adenocarcinoma)
  • Hepatocellular Carcinoma
  • Immunotherapy
  • Lung Cancer
  • Metastatic Breast Cancer
  • Ovarian Cancer
  • Pancreatic Cancer
  • Radioimmunotherapy
  • > Show all expertise

Education & Awards

Dr. Weiner graduated from New York University - Mount Sinai. He has 5 awards.

One of America's Leading Experts on:
Colon Cancer (Colonic Neoplasm)
Glandular Cancer (Adenocarcinoma)
Castle Connolly America's Top Doctors® (2009 - 2015)
Castle Connolly America's Top Doctors® for Cancer (2009 - 2012, 2014 - 2015)


Dr. Weiner has 3 hospital affiliations:

  • Georgetown University Hospital 
  • American Oncologic Hospital TA Fox Chase Cancer Center 
  • Georgetown University 


  • English

> > > > Dr. Louis Weiner, MD

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Additional Information
Dr. Louis Marc Weiner MD is a male Oncologist , has 34 years of experience and practices in Medical Oncology.
Where does Dr. Louis M. Weiner practice?
Dr. Louis Weiner has 1 office location.
Dr. Louis Weiner practices Medical Oncology near Washington, DC.
See Washington Oncologists.