Louis Nieuwenhuizen, PSYD
NPI 1689101859 · Clinical Psychologist · Huntington, WV
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Nieuwenhuizen, PSYD is a Clinical Psychologist provider in Huntington, WV (NPI 1689101859).
Provider details
- NPI number
- 1689101859
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- No
- License
- 1153 (WV)
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
9 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
- 2017-05-18
- Last updated
- 2017-05-18
Frequently asked questions
- What is Louis Nieuwenhuizen's NPI number?
- Louis Nieuwenhuizen's National Provider Identifier (NPI) is 1689101859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Nieuwenhuizen's specialty?
- Louis Nieuwenhuizen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Louis Nieuwenhuizen located?
- Louis Nieuwenhuizen's practice location on file with NPPES is 1115 20th St, Huntington, WV 25703-2071.
- What is Louis Nieuwenhuizen's phone number?
- The practice phone number listed in the NPPES registry for Louis Nieuwenhuizen is (304) 691-1500.
- Does Louis Nieuwenhuizen accept Medicare?
- Louis Nieuwenhuizen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Nieuwenhuizen's NPI active?
- Yes — Louis Nieuwenhuizen's NPI (1689101859) is active in the NPPES registry as of the last update on 2017-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.