Provider Profile
Margarita L. Lewis-Upton
Unclaimed ProfileAbout Margarita Lewis-Upton
Listed in the NPI registry as a nurse practitioner — gerontology, Margarita L. Lewis-Upton practices in Fontana, CA. Margarita is also listed as specializing in registered nurse. NPI 1881426476 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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) 791-1000
- Email not available
Practice Locations
16854 IVY AVE STE A
Fontana, CA 92335
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Other nurse practitioners in Fontana 2
Same specialty, same city.
Common questions
What kind of doctor is Margarita L. Lewis-Upton?
Margarita L. Lewis-Upton is a nurse practitioner in Fontana, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Gerontology”.
NPI registry
What is Margarita L. Lewis-Upton's address?
Margarita L. Lewis-Upton is listed at 16854 Ivy Ave Ste A, Fontana, CA 92335. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Margarita L. Lewis-Upton?
The number on file is (909) 791-1000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Margarita L. Lewis-Upton's NPI number?
Margarita L. Lewis-Upton's National Provider Identifier is 1881426476. 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
How long has Margarita L. Lewis-Upton been practicing?
Margarita L. Lewis-Upton has 2+ years experience. Registered with an NPI since 2024. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Margarita L. Lewis-Upton confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Margarita L. Lewis-Upton. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.