Derrick Johnson, PSY.D
NPI 1497896674 · Professional Counselor · Oak Park, IL
Derrick Johnson, PSY.D is a Professional Counselor provider in Oak Park, IL (NPI 1497896674).
Provider details
- NPI number
- 1497896674
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- PSY.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 180004135 (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
19 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
- 2007-02-09
- Last updated
- 2016-11-22
Frequently asked questions
- What is Derrick Johnson's NPI number?
- Derrick Johnson's National Provider Identifier (NPI) is 1497896674, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derrick Johnson's specialty?
- Derrick Johnson is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Derrick Johnson located?
- Derrick Johnson's practice location on file with NPPES is 1022 Madison, Oak Park, IL 60302.
- What is Derrick Johnson's phone number?
- The practice phone number listed in the NPPES registry for Derrick Johnson is (708) 802-1303.
- Is Derrick Johnson's NPI active?
- Yes — Derrick Johnson's NPI (1497896674) is active in the NPPES registry as of the last update on 2016-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.