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Internist, Adolescent Specialist
25 years of experience
Video profile
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).

Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Marvin Belzer is Excellent. Dr. Belzer has been reviewed by 4 patients who have provided 0 comments. The rating is 3.5 out of 4 stars.

Patient Ratings
Ease of Appointment 3.5
Promptness 3.0
Courteous Staff 3.5
Accurate Diagnosis 2.5
Bedside Manner 2.5
Spends Time with Me 3.0
Follows Up After Visit 2.5

Specialties & Research

Dr. Marvin Belzer, MD is board certified in Internal Medicine and Internal Medicine - Adolescent Medicine.

  • He has special expertise in 2 areas:
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Chronic Fatigue Syndrome

Education & Awards

Dr. Belzer graduated from University of Southern California , Los Angeles. He has 2 awards.

Barbara Korsch Award for Medical Education
Castle Connolly's Top Doctors™ (2012 - 2013)


Dr. Belzer has 10 hospital affiliations:

  • Long Beach Memorial Medical Center 
  • Los Angeles County + University of Southern California Medical Center 


  • Spanish

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Additional Information
Dr. Marvin Eric Belzer MD is a male Internist, has 25 years of experience and practices in Internal Medicine and Adolescent Medicine.
Where does Dr. Marvin E. Belzer practice?
Dr. Marvin Belzer has 2 office locations.
Dr. Marvin Belzer practices Internal Medicine and Adolescent Medicine near Los Angeles, CA.
See Los Angeles Internists and Los Angeles Adolescent Specialists.