ALEXANDER JOSEPH WHALEN PMHNP-BC
NPI 1265309777
Nurse Practitioner - Psychiatric/Mental Health in Oak Brook, IL
About Alexander Joseph Whalen Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER JOSEPH WHALEN PMHNP-BC (NPI 1265309777) is an individual psychiatric/mental health provider in Oak Brook, Illinois, licensed in Illinois (209.033464) and active in the NPI registry since October 2025.
NPPES Registry Identity
Specialties & Licenses
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAK BROOK, IL 60523
OAK BROOK, IL 60523
OAK BROOK, IL 60523
OAK BROOK, IL 60523
OAK BROOK, IL 60523
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alexander Whalen's NPI number?
The NPI number for Alexander Whalen is 1265309777. It was assigned to this individual provider in the NPPES registry on October 20, 2025.
Where is Alexander Whalen located?
Alexander Whalen practices at 1200 Harger Rd Ste 200, Oak Brook, IL 60523. The listed phone number is (630) 556-8914.
What is Alexander Whalen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
When was this NPI record last updated?
The NPPES record for Alexander Whalen was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
