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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).

Patient Reviews

Patient comments (9)

The overall average patient rating of Dr. Robert Greenberg, Dermatologist is Good. Dr. Greenberg has been reviewed by 22 patients who have provided 9 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.0
Promptness 3.0
Courteous Staff 2.9
Accurate Diagnosis 3.8
Bedside Manner 2.8
Spends Time with Me 2.6
Follows Up After Visit 3.7

Specialties & Research

Dr. Robert Greenberg, MD is board certified in Dermatology.

  • He has special expertise in 9 areas:
  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Cryosurgery
  • Laser Surgery
  • Melanoma
  • Psoriasis
  • Psoriatic Arthritis
  • Skin Cancer
  • Skin Care

Education & Awards

Dr. Greenberg graduated from State University of New York Downstate, Brooklyn.


Dr. Greenberg has 9 hospital affiliations:

  • John Muir Medical Center, Walnut Creek Campus 
  • UCSF Medical Center / Moffitt-Long Hospitals 


  • Spanish
  • English

> > > > Dr. Robert Greenberg, MD

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Additional Information
Dr. Robert G Greenberg MD is a male Dermatologist, has 27 years of experience and practices in Dermatology.
Where does Dr. Robert G. Greenberg practice?
Dr. Robert Greenberg has 2 office locations.
Dr. Robert Greenberg practices Dermatology near San Ramon, CA.
Additional practice locations include: Livermore, CA.
See San Ramon Dermatologists.