Physician Profile
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License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1441 BRANDING AVE STE 310
Downers Grove, IL 60515
8751 Mountain Valley Rd
Fairfax Station, VA 22039
Sonia S. Nain is a pediatrician in Downers Grove, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pediatrics”.
NPI registry
Sonia S. Nain is listed at 1441 Branding Ave Ste 310, Downers Grove, IL 60515. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (844) 284-0381. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Sonia S. Nain's National Provider Identifier is 1801893011. 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
Sonia S. Nain attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
Sonia S. Nain has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Sonia S. Nain. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.