Gregory Oloffson, LCPC CADC
NPI 1124276654 · Professional Counselor · Westmont, IL
Gregory Oloffson, LCPC CADC is a Professional Counselor provider in Westmont, IL (NPI 1124276654).
Provider details
- NPI number
- 1124276654
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LCPC CADC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 12162 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-09
- Last updated
- 2008-09-09
Frequently asked questions
- What is Gregory Oloffson's NPI number?
- Gregory Oloffson's National Provider Identifier (NPI) is 1124276654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Oloffson's specialty?
- Gregory Oloffson is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Gregory Oloffson located?
- Gregory Oloffson's practice location on file with NPPES is 350 E Ogden Ave, Westmont, IL 60559-5534.
- What is Gregory Oloffson's phone number?
- The practice phone number listed in the NPPES registry for Gregory Oloffson is (630) 920-9693.
- Is Gregory Oloffson's NPI active?
- Yes — Gregory Oloffson's NPI (1124276654) is active in the NPPES registry as of the last update on 2008-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.