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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. Mario Diaz:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Mario Diaz is Excellent. Dr. Diaz has been reviewed by 1 patients who have provided 1 comments. The rating is 4 out of 4 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 4.0
Courteous Staff 4.0
Accurate Diagnosis 4.0
Bedside Manner 4.0
Spends Time with Me 4.0
Follows Up After Visit 4.0

Specialties & Research

Dr. Mario Diaz, MD is board certified in Surgery.

Education & Awards

Dr. Diaz graduated from Instituto Politecnico Nacional, Mexico.


Dr. Diaz has 1 hospital affiliations:

  • Lebanon Veterans Affairs Medical Center 


  • Spanish

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Additional Information
Dr. Mario Humberto Diaz MD is a male Surgeon, has 42 years of experience and practices in Surgery.
Where does Dr. Mario H. Diaz practice?
Dr. Mario Diaz has 1 office location.
Dr. Mario Diaz practices Surgery near Lebanon, PA.
See Lebanon Surgeons.