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13 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).

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Specialties & Research

Dr. Nick Mashour, MD is board certified in Internal Medicine.

Education & Awards

Dr. Mashour graduated from Yeshiva University, Bronx.


Dr. Mashour has 5 hospital affiliations:

  • Providence Holy Cross Medical Center 
  • Chapman Medical Center 


  • Persian

> > > > Dr. Nick Mashour, MD

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Additional Information
Dr. Nick Hooman Mashour MD is a male Internist, has 13 years of experience and practices in Internal Medicine.
Where does Dr. Nick H. Mashour practice?
Dr. Nick Mashour has 8 office locations.
Dr. Nick Mashour practices Internal Medicine near Costa Mesa, CA.
Additional practice locations include: Riverside, CA and Long Beach, CA.
See Costa Mesa Internists.