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Edit this profileAt a glance
- 10800 Magnolia Ave, Riverside, CA 92505
About Dr. Ong
Iwan S. Ong, MD practices internal medicine in Riverside, CA. Iwan is a 1989 graduate of Loma Linda University School of Medicine. The provider's National Provider Identifier (NPI) is 1265416739.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (866) 984-7483
- Email not available
Practice Locations
10800 MAGNOLIA AVE
Riverside, CA 92505
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 19 related providers in 3 groups
Other internists in Riverside 7
Same specialty, same city.
Trained at Loma Linda University School of Medicine 6
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Loma Linda University School of Medicine 6
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Ong?
Dr. Ong is an internist in Riverside, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Dr. Ong's address?
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
How can I make an appointment with Dr. Ong?
The number on file is (866) 984-7483. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Ong?
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
Where did Dr. Ong train?
Dr. Ong attended Loma Linda University School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ong have?
Dr. Ong has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
Is Dr. Ong's profile verified?
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
Guide.md listings do not constitute medical advice or an endorsement.