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Dr. Louis M Weiner MD is a male Internist, has 33 years of experience and practices in Internal Medicine, Medical Oncology, Hematology & Oncology, and Public Health & General Preventive Medicine.
Video profile
Dr. Louis Weiner has 2 office locations.
Northwest Washington
Medstar Georgetown University Hospital
3800 Reservoir Rd NW
Washington, DC 20007

Phone Number
Locations and availability (2)
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).

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Specialties & Research

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

  • He has special expertise in 21 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
  • Ovarian Cancer
  • Pancreatic Cancer
  • Radioimmunotherapy
  • Rectal Cancer
  • > 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 - 2014)
Castle Connolly America's Top Doctors® for Cancer (2009 - 2012, 2014)


Dr. Weiner has 3 hospital affiliations:

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

Accepted Insurance Plans

Dr. Weiner accepts these health insurances in at least one office:

  • United Healthcare - 18 plans
  • CareFirst - 3 plans
  • Great-West Healthcare - 2 plans
  • The Chartered Health Plan - 1 plan
  • Cigna - 4 plans

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Additional Information
Where does Dr. Louis M. Weiner practice?
Dr. Louis Weiner practices Internal Medicine, Medical Oncology, Hematology & Oncology, and Public Health & General Preventive Medicine near Washington, DC.
See Washington Internists, Washington Oncologists, and Washington Preventive Medicine Specialists.