Are you Erwin C. Santiago, APRN, FNP-C? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileListed in the NPI registry as a nurse practitioner — family, Erwin C. Santiago, APRN, FNP-C practices in Mundelein, IL. NPI 1336078435 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3235 SAGE CIR
Mundelein, IL 60060
Erwin C. Santiago, APRN is a nurse practitioner in Mundelein, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Erwin C. Santiago, APRN is listed at 3235 Sage Cir, Mundelein, IL 60060. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (224) 381-0342. Contact the office directly to confirm availability and scheduling.
NPI registry
Erwin C. Santiago, APRN's National Provider Identifier is 1336078435. 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
Erwin C. Santiago, APRN attended Other, graduating in 2026. This comes from the CMS National Downloadable File.
CMS public data
Erwin C. Santiago, APRN has 0 years experience. Calculated from a graduation year of 2026, 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 Erwin C. Santiago, APRN. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.