Dennis J Niswonger, Psy.d, S.c
NPI 1760656581 · Clinical Psychologist · Orland Park, IL
Dennis J Niswonger, Psy.d, S.c is a Clinical Psychologist organization in Orland Park, IL (NPI 1760656581).
Provider details
- NPI number
- 1760656581
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Dennis Niswonger, Owner(708) 364-3232
- License
- 071-007045 (IL)
Specialties & taxonomies
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
18 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
- 2008-04-14
- Last updated
- 2010-02-18
Frequently asked questions
- What is Dennis J Niswonger, Psy.d, S.c's NPI number?
- Dennis J Niswonger, Psy.d, S.c's National Provider Identifier (NPI) is 1760656581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dennis J Niswonger, Psy.d, S.c?
- Dennis J Niswonger, Psy.d, S.c is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Dennis J Niswonger, Psy.d, S.c located?
- Dennis J Niswonger, Psy.d, S.c's practice location on file with NPPES is 15040 S Ravinia Ave, Orland Park, IL 60462-3194.
- What is Dennis J Niswonger, Psy.d, S.c's phone number?
- The practice phone number listed in the NPPES registry for Dennis J Niswonger, Psy.d, S.c is (708) 364-3232.
- Who is the authorized official for Dennis J Niswonger, Psy.d, S.c?
- The authorized official listed on Dennis J Niswonger, Psy.d, S.c's NPPES record is Dennis Niswonger, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dennis J Niswonger, Psy.d, S.c's NPI active?
- Yes — Dennis J Niswonger, Psy.d, S.c's NPI (1760656581) is active in the NPPES registry as of the last update on 2010-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.