Physician Profile
Iwan S. Ong, MD practices internal medicine in Riverside, CA. Iwan is a 1989 graduate of Loma Linda University School of Medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
10800 MAGNOLIA AVE
Riverside, CA 92505
Dr. Ong is an internal medicine in Riverside, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Ong is listed at 10800 Magnolia Ave, Riverside, CA 92505. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (866) 984-7483. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Ong's National Provider Identifier is 1265416739. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Ong attended Loma Linda University School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ong has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ong. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.