Derrick Hassert, PH.D.
NPI 1578902912 · Mental Health Counselor · Matteson, IL
Derrick Hassert, PH.D. is a Mental Health Counselor provider in Matteson, IL (NPI 1578902912).
Provider details
- NPI number
- 1578902912
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 39003117A (IN)
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
13 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
- 2013-06-19
- Last updated
- 2018-11-16
Frequently asked questions
- What is Derrick Hassert's NPI number?
- Derrick Hassert's National Provider Identifier (NPI) is 1578902912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derrick Hassert's specialty?
- Derrick Hassert is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Derrick Hassert located?
- Derrick Hassert's practice location on file with NPPES is 3624 216th St, Matteson, IL 60443-2713.
- What is Derrick Hassert's phone number?
- The practice phone number listed in the NPPES registry for Derrick Hassert is (815) 274-4879.
- Is Derrick Hassert's NPI active?
- Yes — Derrick Hassert's NPI (1578902912) is active in the NPPES registry as of the last update on 2018-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.