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Edit this profileAt a glance
- 10800 Magnolia Ave, Riverside, CA 92505
About Dr. Tan
Gregorio J. Tan, MD practices family medicine in Riverside, CA. Gregorio is a 2000 graduate of University of California, Davis School of Medicine. The provider's National Provider Identifier (NPI) is 1255489142.
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
- (909) 353-2000
- Email not available
Is this your home address or personal number? Hide it
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 family doctors at this location 2
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 — 23 related providers in 3 groups
Other family doctors in Riverside 7
Same specialty, same city.
Trained at University of California, Davis School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at University of California, Davis School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Tan?
Dr. Tan is a family doctor in Riverside, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
What is Dr. Tan's address?
Dr. Tan 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. Tan?
The number on file is (909) 353-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Tan's NPI number?
Dr. Tan's National Provider Identifier is 1255489142. 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. Tan train?
Dr. Tan attended University of California, Davis School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Tan been practicing?
Dr. Tan has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Tan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.