Provider Profile
Alexander J. Whalen, PMHNP-BC is a nurse practitioner — psychiatric/mental health practicing in Oak Brook, IL. This provider record is associated with NPI 1265309777.
Factual summary compiled by Guide.md from public records; not written by this provider.
1200 HARGER RD STE 200
Oak Brook, IL 60523
Alexander J. Whalen is a nurse practitioner in Oak Brook, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Alexander J. Whalen is listed at 1200 Harger Rd Ste 200, Oak Brook, IL 60523. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (630) 556-8914. Contact the office directly to confirm availability and scheduling.
NPI registry
Alexander J. Whalen's National Provider Identifier is 1265309777. 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
Alexander J. Whalen has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Alexander J. Whalen. If this is you, claiming it is free.
Guide.md
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