Browse Health
Oncology Specialist (cancer)
19 years of experience
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. Stephen Gruber:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Stephen Gruber is Excellent. Dr. Gruber has been reviewed by 3 patients who have provided 1 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. Stephen Gruber, MD, PHD is board certified in Medical Oncology.

  • He has special expertise in 13 areas:
  • Breast Cancer
  • Cancer
  • Carcinoma
  • Colorectal Cancer
  • Gastrointestinal Cancer
  • Gene Therapy
  • Genetics
  • Glandular Cancer (Adenocarcinoma)
  • Hereditary Nonpolyposis Colorectal Cancer
  • Melanoma
  • Metastatic Breast Cancer
  • Ovarian Cancer
  • Prostate Cancer (Prostatic Neoplasm)

Education & Awards

Dr. Gruber graduated from University of Pennsylvania , Philadelphia. He has 4 awards.

One of America's Leading Experts on:
Colorectal Cancer (Colorectal Neoplasm)
Melanoma (Skin cancer)
Castle Connolly America's Top Doctors® (2010 - 2011, 2014 - 2015)
Castle Connolly America's Top Doctors® for Cancer (2005 - 2007, 2009 - 2011, 2014 - 2015)


Dr. Gruber has 3 hospital affiliations:

  • USC University Hospital 
  • Munson Medical Center 
  • University of Michigan Health System 


  • English

> > > > Dr. Stephen Gruber, MD, PHD

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Additional Information
Dr. Stephen Bernard Gruber MD and PHD is a male Oncologist , has 19 years of experience and practices in Medical Oncology.
Where does Dr. Stephen B. Gruber practice?
Dr. Stephen Gruber has 1 office location.
Dr. Stephen Gruber practices Medical Oncology near Los Angeles, CA.
See Los Angeles Oncologists.