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MR. GREGORY A OLOFFSON LCPC CADC
NPI 1124276654
Counselor - Professional in Westmont, IL

Active since September 09, 2008
350 E OGDEN AVE, SUITE 101, WESTMONT, IL 60559(630) 920-9693 Get Directions Write a Review

NPPES record last updated: September 9, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Gregory A Oloffson Lcpc Cadc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. GREGORY A OLOFFSON LCPC CADC (NPI 1124276654) is an individual professional provider in Westmont, Illinois, licensed in Illinois (180000519) and active in the NPI registry since September 2008.

NPPES Registry Identity

NPI1124276654
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameMR. GREGORY A OLOFFSONCredential: LCPC CADC
Location Address350 E OGDEN AVE, SUITE 101Westmont, IL 60559-5534
Mailing Address350 E Ogden Ave, Suite 101Westmont, IL 60559-5534 · (630) 920-9693
Phone(630) 920-9693
Sole ProprietorYes
Enumeration DateSeptember 9, 2008
✔ NPI 1124276654 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in IL · 180000519
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 12162 (IL)
350 E OGDEN AVE, Westmont, IL 60559
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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 Gregory Oloffson's NPI number?

The NPI number for Gregory Oloffson is 1124276654. It was assigned to this individual provider in the NPPES registry on September 9, 2008.

Where is Gregory Oloffson located?

Gregory Oloffson practices at 350 E Ogden Ave Suite 101, Westmont, IL 60559. The listed phone number is (630) 920-9693.

What is Gregory Oloffson's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Gregory Oloffson was last updated on September 9, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.