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. Ronald Olah:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. Ronald Olah is Excellent.
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Specialties & Research
Dr. Ronald Olah, MD is board certified in Internal Medicine.
- He has special expertise in 1 area:
- Flu (Human Influenza)
Education & Awards
Dr. Olah graduated from University of Southern California , Los Angeles. He has 2 awards.
Dr. Olah has 8 hospital affiliations:
- Huntington Hospital
- Greater El Monte Community Hospital
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- Additional Information
- Where does Dr. Ronald P. Olah practice?
Dr. Ronald Olah practices Internal Medicine near Pasadena, CA.
See Pasadena Internists.