NPI
Contractors in Upland, CA
5 contractors in Upland, CA in the October 12, 2026 NPPES file, by primary taxonomy (Contractor). Each row shows the credential, practice address, phone, and NPI.
This search stays in California.
License: a US government work, in the public domain (Public Domain Mark 1.0).
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Active individuals and group practices from the NPI registry, grouped by practice address, as a spreadsheet.
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Contractors in Upland
1 to 5 of 5
- 1720639248Aci Medical Billing Inc · 818 N Mountain Ave Ste 211, Upland CA 91786 · Phone (909) 946-5221
- 1275634149Clemens Adeyemi · 1495 W 9th St, Upland CA 91786 · Phone (909) 210-9920 · Fax (909) 832-1008
- 1851321145Freddie Balguma, M.D. · 630 N 13th Ave Ste C, Upland CA 91786 · Phone (909) 981-6635 · Fax (909) 946-5666
- 1245260538Warren Fan, M.D. · 637 North 13th Avenue, Upland CA 91786 · Phone (909) 946-4106 · Fax (909) 949-4366
- 1245448752Roger D. Duber D.O., Inc. · 685 N 13th Ave, Suite 9, Upland CA 91786 · Phone (909) 981-8383 · Fax (909) 920-3054
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Questions
How many contractors are in Upland, CA?
5 active NPI records in the October 12, 2026 NPPES file list Contractor as their primary taxonomy and a practice location in Upland, CA.
How do I check a provider's NPI number?
Open the NPI number on a row. The record page shows the NPI, status, practice address, phone, specialties, and licenses as NPPES lists them.
Does this list show insurance or network status?
No. NPPES does not publish insurance or network status. This page lists public registry records only.
Source: NPPES NPI Registry, data as of October 12, 2026. Last updated October 12, 2026. How we source data. Corrections: hello@rivvi.ai.