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Edit this profileAt a glance
- 3110 E Guasti Rd, Ontario, CA 91761
About Derek Quan
Derek Quan, NP-C is a nurse practitioner — family practicing in Ontario, CA. This provider record is associated with NPI 1508462862.
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
- (858) 592-2000
- Email not available
Practice Locations
3110 E GUASTI RD
Ontario, CA 91761
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 nurse practitioners at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
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 nurse practitioners in Ontario 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Derek Quan's specialty?
Derek Quan is a nurse practitioner in Ontario, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where can I find Derek Quan?
Derek Quan is listed at 3110 E Guasti Rd, Ontario, CA 91761. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Derek Quan?
The number on file is (858) 592-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Derek Quan's NPI number?
Derek Quan's National Provider Identifier is 1508462862. 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
What is Derek Quan's education?
Derek Quan attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How long has Derek Quan been practicing?
Derek Quan has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
Has Derek Quan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Derek Quan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.