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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).

Learn more about Dr. Deborah Brownstone:

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Specialties & Research

Dr. Deborah Brownstone, MD is board certified in Internal Medicine.

Education & Awards

Dr. Brownstone graduated from University Of Cape Town.


Dr. Brownstone has 5 hospital affiliations:

  • Long Beach Memorial Medical Center 
  • Saddleback Memorial Medical Center - San Clemente 

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Additional Information
Dr. Deborah Laura Brownstone MD is a female Internist, has 30 years of experience and practices in Internal Medicine.
Where does Dr. Deborah L. Brownstone practice?
Dr. Deborah Brownstone has 1 office location.
Dr. Deborah Brownstone practices Internal Medicine near San Clemente, CA.
See San Clemente Internists.